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Document and Entity Information Document - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017	Oct. 31, 2017	Jun. 30, 2016
Document and Entity Information [Abstract]
Entity Registrant Name	Stratus Properties Inc.
Entity Central Index Key	0000885508
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		8,133,502
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 89.3

Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 16,152	$ 13,597
Restricted cash	23,751	11,892
Real estate held for sale	18,212	21,236
Real estate under development	113,408	111,373
Land available for development	14,791	19,153
Real estate held for investment, net	189,365	239,719
Deferred tax assets	18,630	17,223
Other assets	16,155	17,982
Total assets	410,464	452,175
LIABILITIES AND EQUITY
Accounts payable	15,422	6,734
Accrued liabilities, including taxes	10,898	13,240
Debt	227,856	291,102
Deferred Gain on Sale of Property	11,863	0
Other liabilities	10,377	10,073
Total liabilities	276,416	321,149
Commitments and contingencies
Stockholders’ equity:
Common stock	93	92
Capital in excess of par value of common stock	185,184	192,762
Accumulated deficit	(30,255)	(41,143)
Common stock held in treasury	(21,057)	(20,760)
Total stockholders’ equity	133,965	130,951
Noncontrolling interests in subsidiaries	83	75
Total equity	134,048	131,026
Total liabilities and equity	$ 410,464	$ 452,175

Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues:
Real estate operations	$ 2,923	$ 6,155	$ 9,108	$ 9,858
Leasing operations	1,923	2,567	6,015	6,761
Hotel	7,738	8,268	27,817	29,501
Entertainment	4,638	4,190	16,375	13,236
Total revenues	17,222	21,180	59,315	59,356
Cost of sales:
Real estate operations	2,204	4,075	8,048	8,173
Leasing operations	1,091	1,390	3,749	3,295
Hotel	6,676	6,891	21,277	22,248
Entertainment	3,666	3,713	12,298	10,532
Depreciation	2,031	2,189	5,928	5,854
Total cost of sales	15,668	18,258	51,300	50,102
General and administrative expenses	2,220	2,497	8,462	9,718
Profit participation in sale of The Oaks at Lakeway	0	0	2,538	0
Gain on Disposition of Assets	(24,306)	0	(25,421)	0
Total	(6,418)	20,755	36,879	59,820
Operating income (loss)	23,640	425	22,436	(464)
Interest expense, net	(1,577)	(2,579)	(5,060)	(6,894)
Gain (loss) on interest rate derivative instruments	54	174	136	(301)
Loss on early extinguishment of debt	0	0	(532)	(837)
Other income, net	6	6	24	14
Income (loss) before income taxes and equity in unconsolidated affiliates' (loss) income	22,123	(1,974)	17,004	(8,482)
Equity in unconsolidated affiliates' (loss) income	(5)	(3)	(24)	70
(Provision for) benefit from income taxes	(7,810)	318	(6,227)	2,587
Net income (loss)	14,308	(1,659)	10,753	(5,825)
Net Income (Loss) Attributable to Noncontrolling Interest	0	0	(8)	0
Net income (loss) and total comprehensive income (loss) attributable to common stockholders	$ 14,308	$ (1,659)	$ 10,745	$ (5,825)
Earnings Per Share, Basic	$ 1.76	$ (0.20)	$ 1.32	$ (0.72)
Earnings Per Share, Diluted	$ 1.75	$ (0.20)	$ 1.32	$ (0.72)
Weighted Average Number of Shares Outstanding, Basic	8,128	8,094	8,119	8,086
Weighted Average Number of Shares Outstanding, Diluted	8,172	8,094	8,169	8,086
Common Stock, Dividends, Per Share, Declared	$ 0.00	$ 0.00	$ 1.00	$ 0.00

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flow from operating activities:
Net income (loss)	$ 10,753	$ (5,825)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Depreciation	5,923	5,854
Cost of real estate sold	5,086	4,546
Gain on sale of assets	(25,421)	0
(Gain) loss on interest rate derivative contracts	(136)	301
Loss on early extinguishment of debt	532	837
Debt issuance cost and share based compensation	1,227	1,233
Equity in unconsolidated affiliates' loss (income)	24	(70)
Deposits	(145)	1,054
Deferred income taxes	(1,264)	(12,827)
Purchases and development of real estate properties	(11,196)	(10,919)
Municipal utility district reimbursement	2,172	12,302
Increase in other assets	(392)	(2,675)
(Decrease) increase in accounts payable, accrued liabilities and other	(320)	7,071
Net cash (used in) provided by operating activities	(13,157)	882
Cash flow from investing activities:
Capital expenditures	(14,363)	(24,820)
Proceeds from sale of assets	117,261	0
Payments on master lease obligations	(1,653)	0
Site development escrow deposit and other, net	(11,676)
Payments for (Proceeds from) Other Investing Activities		(19)
Net cash provided by (used in) investing activities	89,569	(24,839)
Cash flow from financing activities:
Borrowings from credit facility	45,200	24,000
Payments on credit facility	(53,651)	(19,120)
Borrowings from project loans	8,725	174,342
Payments on project and term loans	(64,228)	(154,584)
Payments of Dividends	(8,133)	0
Stock-based awards net payments	(234)	(146)
Financing costs	(1,536)	(1,331)
Net cash (used in) provided by financing activities	(73,857)	23,161
Net increase (decrease) in cash and cash equivalents	2,555	(796)
Cash and cash equivalents at beginning of year	13,597	17,036
Cash and cash equivalents at end of period	$ 16,152	$ 16,240

Consolidated Statements of Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Total Stratus Stockholders' Equity [Member]	Common Stock [Member]	Capital in Excess of Par Value [Member]	Accumulated Deficit [Member]	Common Stock Held in Treasury [Member]	Noncontrolling Interests in Subsidiaries [Member]
Balance at Dec. 31, 2015	$ 136,674	$ 136,599	$ 91	$ 192,122	$ (35,144)	$ (20,470)	$ 75
Balance (in shares) at Dec. 31, 2015			9,160			1,093
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercised and issued stock-based awards	0	0	$ 1	(1)
Exercised and issued stock-based awards (in shares)			43
Stock-based compensation	523	523		523
Tax benefit for stock-based awards	144	144		144
Tender of shares for stock-based awards	(290)	(290)				$ (290)
Tender of shares for stock-based awards (in shares)						12
Total comprehensive loss	(5,825)	(5,825)			(5,825)
Balance at Sep. 30, 2016	131,226	131,151	$ 92	192,788	(40,969)	$ (20,760)	75
Balance (in shares) at Sep. 30, 2016			9,203			1,105
Balance at Dec. 31, 2016	131,026	130,951	$ 92	192,762	(41,143)	$ (20,760)	75
Balance (in shares) at Dec. 31, 2016			9,203			1,105
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends, Common Stock, Cash	(8,221)	(8,221)		(8,221)
Exercised and issued stock-based awards	63	63	$ 1	62
Exercised and issued stock-based awards (in shares)			47
Stock-based compensation	581	581		581
Tender of shares for stock-based awards	(297)	(297)				$ (297)
Tender of shares for stock-based awards (in shares)						12
Total comprehensive loss	10,753	10,745			10,745
Other Comprehensive Income (Loss), Net of Tax							8
Balance at Sep. 30, 2017	134,048	133,965	$ 93	$ 185,184	(30,255)	$ (21,057)	$ 83
Balance (in shares) at Sep. 30, 2017			9,250			1,117
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adjustment for Cumulative Effect of Change in Accounting for Stock-Based Compensation	$ 143	$ 143			$ 143

General Information (Unaudited)	9 Months Ended
General Information (Unaudited)	Sep. 30, 2017
General Information [Abstract]
General Information [Text Block]	GENERAL The accompanying unaudited consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto for the year ended December 31, 2016, included in Stratus Properties Inc.’s (Stratus) Annual Report on Form 10-K (Stratus 2016 Form 10-K) filed with the United States (U.S.) Securities and Exchange Commission. In the opinion of management, the accompanying consolidated financial statements reflect all adjustments considered necessary for a fair statement of the results for the interim periods reported. With the exception of the accounting for the deferred gain on the sale of The Oaks at Lakeway, all such adjustments are, in the opinion of management, of a normal recurring nature. Operating results for the three-month and nine-month periods ended September 30, 2017, are not necessarily indicative of the results that may be expected for the year ending December 31, 2017.

Earnings Per Share (Unaudited)

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Earnings Per Share [Text Block]

EARNINGS PER SHARE

Stratus’ basic net income (loss) per share of common stock was calculated by dividing the net income (loss) attributable to common stockholders by the weighted-average shares of common stock outstanding during the period. A reconciliation of net income (loss) and weighted-average shares of common stock outstanding for purposes of calculating diluted net income (loss) per share (in thousands, except per share amounts) follows:




	Three Months Ended					Nine Months Ended
	September 30,					September 30,
	2017		2016			2017			2016
Net income (loss)	$	14,308	$	(1,659	)	$	10,753		$	(5,825	)
Net income attributable to noncontrolling interests in subsidiaries	—		—			(8		)	—
Net income (loss) attributable to Stratus common stockholders	$	14,308	$	(1,659	)	$	10,745		$	(5,825	)

Basic weighted-average shares of common stock outstanding	8,128		8,094			8,119			8,086

Add shares issuable upon exercise or vesting of dilutive stock options and restricted stock units (RSUs)^a	44		—			50			—

Diluted weighted-average shares of common stock outstanding	8,172		8,094			8,169			8,086

Diluted net income (loss) per share attributable to common stockholders	$	1.75	$	(0.20	)	$	1.32		$	(0.72	)


a.	Excludes approximately 30 thousand shares of common stock for third-quarter 2017, 23 thousand shares for the first nine months of 2017, and 124 thousand shares for both the third-quarter 2016 and first nine months of 2016 associated with outstanding stock options with exercise prices less than the average market price of Stratus' common stock and RSUs that were antidilutive.

Dispositions (Notes)

9 Months Ended

Sep. 30, 2017

Discontinued Operations and Disposal Groups [Abstract]

Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]

DISPOSITIONS

The Oaks at Lakeway. On February 15, 2017, Stratus sold The Oaks at Lakeway to FHF I Oaks at Lakeway, LLC for $114.0 million in cash. Net cash proceeds were $50.8 million after repayment of the Lakeway construction loan (see Note 5). Stratus used a portion of these net cash proceeds to pay indebtedness outstanding under the Comerica Bank credit facility. The parties entered into three master lease agreements at closing: (1) one covering unleased in-line retail space, with a 5-year term, (2) one covering four unleased pad sites, three of which have 10-year terms, and one of which has a 15-year term, and (3) one covering the hotel pad with a 99-year term. As specified conditions are met, primarily consisting of the tenant executing a lease, commencing payment of rent and taking occupancy, leases will be assigned to the purchaser and the corresponding property will be removed from the master lease, reducing Stratus' master lease payment obligations. Stratus' master lease payment obligation, which currently approximates $180 thousand per month, is expected to decline over time until leasing is complete and all leases are assigned to the purchaser.

Stratus agreed to guarantee the obligations of its selling subsidiary under the sales agreement, up to a liability cap of two percent of the purchase price. This cap does not apply to Stratus' obligation to satisfy the selling subsidiary's indemnity obligations for its broker commissions or similar compensation or Stratus' liability in guaranteeing the selling subsidiary's obligations under the master leases. To secure its obligations under the master leases, Stratus has provided a $1.5 million irrevocable letter of credit with a three-year term.

The gain on sale of $39.7 million was deferred as a result of Stratus’ continuing involvement under the master lease agreements with the purchaser. The hotel pad was leased to a hotel operator under a ground lease at the date of sale. However, the hotel tenant had not commenced rent payments under the ground lease or construction of its building. At the date of the sale, primarily because of the uncertainty related to the hotel tenant’s performance under its ground lease, Stratus' estimated maximum probable exposure to loss using a probability-weighted assessment of future lease payments based on the master lease agreements exceeded the gain on sale. The rent payments under the master lease agreements represent continuing support obligations and are recorded as a reduction of the deferred gain.

The rent payments related to the 99-year hotel pad master lease represent the greatest exposure to loss. In May, the hotel tenant began paying rent and, in August, obtained construction financing and commenced construction of its building. The achievement of these milestones significantly reduced Stratus' probability weighted estimated maximum exposure to loss and, in third-quarter 2017, $24.3 million of the deferred gain was recognized based on the performance of services method. The following table summarizes changes to the deferred gain during the first nine months of 2017 (in thousands):



Balance as of February 15, 2017	$	39,677
Master lease payments	(1,653		)
Revisions to costs to complete	(1,855		)
Gain recognized	(24,306		)
Balance as of September 30, 2017	$	11,863

The remaining deferred gain, as reduced by future master lease payments, will be recognized in future periods under the performance of services method, when Stratus’ continuing involvement ends or substantially all of the risks and rewards of ownership have transferred to the buyer and Stratus' remaining probability weighted estimated maximum exposure to loss under the master lease agreements is less than the deferred gain.

Upon the sale of The Oaks at Lakeway, HEB Grocery Company, L.P. (HEB) earned a profit participation of $2.5 million (of which $2.2 million was paid at closing), which is presented separately in the Consolidated Statements of Comprehensive Income (Loss).

Other. On February 28, 2017, Stratus completed the sale of its 3,085-square-foot bank building and an adjacent 4.1 acre undeveloped tract of land in Barton Creek, for $3.1 million. Stratus recorded a gain on the sale of $1.1 million and paid $2.1 million on the Barton Creek Village term loan (see Note 5).

Fair Value Measurements (Unaudited)

9 Months Ended

Sep. 30, 2017

Fair Value Measurements [Abstract]

Fair Value Measurements [Text Block]

FAIR VALUE MEASUREMENTS

Fair value accounting guidance includes a hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 inputs) and the lowest priority to unobservable inputs (Level 3 inputs).

The carrying value for certain Stratus financial instruments (i.e., cash and cash equivalents, restricted cash, accounts payable and accrued liabilities) approximates fair value because of their short-term nature and generally negligible credit losses.

A summary of the carrying amount and fair value of Stratus' other financial instruments follows (in thousands):



	September 30, 2017				December 31, 2016
	Carrying Value		Fair Value		Carrying Value		Fair Value
Liabilities:
Debt	$	227,856	$	229,865	$	291,102	$	293,620
Interest rate swap agreement	291		291		427		427

Debt. Stratus' debt is recorded at cost and is not actively traded. Fair value is estimated based on discounted future expected cash flows at estimated current market interest rates. Accordingly, Stratus' debt is classified within Level 2 of the fair value hierarchy. The fair value of debt does not represent the amounts that will ultimately be paid upon the maturities of the loans.

Interest Rate Swap Agreement. The interest rate swap does not qualify for hedge accounting and changes in its fair value are recorded in the Consolidated Statements of Comprehensive Income (Loss). Stratus evaluated the counterparty credit risk associated with the interest rate swap agreement, which is considered a Level 3 input, but did not consider such risk to be significant. Therefore, the interest rate swap agreement is classified within Level 2 of the fair value hierarchy.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Debt and Equity Transactions (Unaudited)

9 Months Ended

Sep. 30, 2017

Capitalization, Long-term Debt and Equity [Abstract]

Debt and Equity Transactions [Text Block]

DEBT AND EQUITY

Debt. The components of Stratus' debt are as follows (in thousands):



	September 30, 2017		December 31, 2016
Goldman Sachs loan	$	145,669	$	147,025
Lakeway construction loan	—		57,912
Santal Phase I construction loan	32,095		30,286
Comerica Bank credit facility	38,095		46,547
Amarra Villas credit facility	5,012		3,777
Barton Creek Village term loan	3,397		5,555
West Killeen Market construction loan	3,588		—
Total debt^a	$	227,856	$	291,102


a.	Includes net reductions for unamortized debt issuance costs of $1.5 million at September 30, 2017, and $2.2 million at December 31, 2016.

In February 2017, Stratus repaid the Lakeway construction loan with proceeds from the sale of The Oaks at Lakeway and paid $2.1 million on the Barton Creek Village term loan (see Note 3). As of September 30, 2017, Stratus had $6.9 million available under its $45.0 million revolving loan under its Comerica Bank credit facility.

On April 28, 2017, Lantana Place, LLC., a wholly owned subsidiary of Stratus, entered into a $26.3 million construction loan with Southside Bank (the Lantana Place construction loan) to finance the initial phase of Lantana Place, a 320,000-square-foot, mixed-use development project in southwest Austin. Construction of the first phase of Lantana Place began in June 2017. No amounts were drawn on the Lantana Place construction loan as of September 30, 2017. Interest is variable at the one-month London Interbank Offered Rate (LIBOR) plus 2.75 percent, subject to a minimum interest rate of 3.0 percent. Payments of interest only will be due and payable monthly, through November 1, 2020. The principal balance outstanding after November 1, 2020, will be payable in equal monthly installments of principal and interest based on a 30-year amortization. Outstanding amounts must be repaid in full on or before April 28, 2023, and can be prepaid without penalty. Outstanding amounts will be secured by the Lantana Place project and all subsequent improvements, including all leases and rents associated with the development. The agreement contains affirmative and negative covenants usual and customary for loan agreements of this nature, including, but not limited to, a financial covenant to maintain a debt service coverage ratio of at least 1.35 to 1.00 at all times beginning on December 31, 2019. Stratus will guarantee outstanding amounts under the loan until the development is able to maintain a debt service ratio of 1.50 to 1.00 for a period of six consecutive months.

On August 3, 2017, Stratus extended the maturity of its credit facility with Comerica Bank by three months to November 30, 2017. On November 7, 2017, Stratus further extended the maturity of its credit facility by one year to November 30, 2018 (see Note 10).

On September 1, 2017, College Station 1892 Properties, L.L.C. (1892 Properties), a wholly owned subsidiary of Stratus, entered into a $36.8 million construction loan with Southside Bank (the Jones Crossing construction loan) to finance construction of Phases 1 and 2, the retail component, of Stratus' Jones Crossing project, a new HEB-anchored, mixed use development in College Station, Texas. Construction of the initial two phases of the Jones Crossing project began in September 2017, and the HEB grocery store is expected to open in mid-2018. No amounts were drawn on the Jones Crossing construction loan as of September 30, 2017. Interest is variable at the one-month LIBOR plus 3.75 percent, subject to a minimum interest rate of 4.0 percent. Beginning on October 1, 2017, payments of interest will be due and payable monthly, through March 1, 2021. The principal balance of the loan outstanding after March 1, 2021, will be payable in equal monthly installments of principal and interest based on a 30-year amortization. Outstanding amounts must be repaid in full on or before September 1, 2023. The loan is secured by the Jones Crossing project and all subsequent improvements, including all leases and rents associated with the development as well as related permits and other entitlements. The loan agreement and related documents contain affirmative and negative covenants usual and customary for loan agreements of this nature, including, but not limited to, a financial covenant to maintain a debt service coverage ratio of at least 1.35 to 1.00 at all times beginning on March 31, 2020. Stratus will guarantee outstanding amounts under the loan until Phases 1 and 2 of the Jones Crossing development are completed and the development is able to maintain a debt service ratio of 1.50 to 1.00 as of the end of any fiscal quarter.

On September 11, 2017, Santal I, L.L.C. (Santal), a wholly owned subsidiary of Stratus, entered into an amended and restated construction loan agreement with Comerica Bank. The amended agreement increases the original commitment amount of $34.1 million to $59.2 million, which includes $32.8 million for Santal Phase I and an additional $26.4 million for the construction of Santal Phase II. Santal Phase II is a 212-unit garden style, multi-family development located adjacent to Santal Phase I. Both the Santal Phase I and the Santal Phase II loans have a maturity date of September 11, 2020. As of September 30, 2017, a total of $32.1 million was drawn on the Santal Phase I loan and no amounts were drawn on the Santal Phase II loan. The interest rate applicable to the Santal Phase I loan is a LIBOR-based rate plus 2.5 percent per annum. The interest rate applicable to the Santal Phase II loan is a LIBOR-based rate plus 3.0 percent per annum. Payments of interest on each loan are due and payable monthly, through September 11, 2020. Outstanding amounts will be secured by Santal Phase I and Santal Phase II and all subsequent improvements, including all leases and rents associated with the developments as well as related permits and other entitlements related to Santal Phase I and Santal Phase II. The construction loan agreements and related documents contain affirmative and negative covenants usual and customary for loan agreements of this nature. Santal may extend the maturity of the loan for up to two additional 12-month periods subject to satisfaction of certain conditions, including a debt service coverage ratio of at least 1.10 to 1.00 on the date immediately preceding the commencement of the first extension period and 1.20 to 1.00 on the date immediately preceding the commencement of the second extension period.

For a description of Stratus' outstanding loans, refer to Note 7 in the Stratus 2016 Form 10-K.

Interest Expense and Capitalization. Interest costs (before capitalized interest) totaled $3.1 million in third-quarter 2017, $4.1 million in third-quarter 2016, $9.3 million for the first nine months of 2017 and $11.7 million for the first nine months of 2016. Stratus' capitalized interest costs totaled $1.5 million in third-quarter 2017, $1.5 million in third-quarter 2016, $4.3 million for the first nine months of 2017 and $4.8 million for the first nine months of 2016, primarily related to development activities at Barton Creek in 2017, and at Barton Creek and The Oaks at Lakeway in 2016.

Equity. Stratus' Comerica Bank credit facility requires the bank's prior written consent to pay a dividend on Stratus' common stock. On March 15, 2017, Stratus' Board of Directors (the Board), after receiving written consent from Comerica Bank, declared a special cash dividend of $1.00 per share ($8.1 million), which was paid on April 18, 2017, to stockholders of record on March 31, 2017. The special cash dividend was declared after the Board’s consideration of the results of the sale of The Oaks at Lakeway. Comerica Bank’s consent to the payment of this special dividend is not indicative of the bank’s willingness to consent to the payment of future dividends. The declaration of future dividends is at the discretion of the Board, subject to the restrictions under Stratus' Comerica Bank credit facility, and will depend on Stratus' financial results, cash requirements, projected compliance with covenants in its debt agreements, outlook and other factors deemed relevant by the Board.

Income Taxes (Unaudited)	9 Months Ended
Income Taxes (Unaudited)	Sep. 30, 2017
Income Tax Disclosure [Abstract]
Income Taxes [Text Block]	INCOME TAXES Stratus’ accounting policy for and other information regarding its income taxes is further described in Notes 1 and 8 in the Stratus 2016 Form 10-K. Stratus had deferred tax assets (net of deferred tax liabilities) totaling $18.6 million at September 30, 2017, and $17.2 million at December 31, 2016. Stratus’ income tax expense for the first nine months of 2017 includes current income tax expense of $7.5 million partly offset by a deferred tax benefit of $1.3 million. Stratus’ future results of operations may be negatively impacted by an inability to realize a tax benefit for future tax losses or for items that will generate additional deferred tax assets. The difference between Stratus' consolidated effective income tax rate for the first nine months of 2017 and the first nine months of 2016, and the U.S. Federal statutory income tax rate of 35 percent, was primarily attributable to the Texas state margin tax.

Business Segments (Unaudited)

9 Months Ended

Sep. 30, 2017

Segment Reporting [Abstract]

Business Segments [Text Block]

BUSINESS SEGMENTS

Stratus currently has four operating segments: Real Estate Operations, Leasing Operations, Hotel and Entertainment.

The Real Estate Operations segment is comprised of Stratus’ real estate assets (developed, under development and available for development), which consists of its properties in Austin, Texas (the Barton Creek community, including Santal Phase II, the Circle C community, Lantana Place and the condominium units at the W Austin Hotel & Residences); in Lakeway, Texas located in the greater Austin area (Lakeway); in College Station, Texas (Jones Crossing); and in Magnolia, Texas, located in the greater Houston area (Magnolia).

The Leasing Operations segment includes the office and retail space at the W Austin Hotel & Residences, a retail building in Barton Creek Village, Santal Phase I and the West Killeen Market in Killeen, Texas.

The Hotel segment includes the W Austin Hotel located at the W Austin Hotel & Residences in downtown Austin, Texas.

The Entertainment segment includes ACL Live, a live music and entertainment venue and production studio at the W Austin Hotel & Residences. In addition to hosting concerts and private events, this venue is the home of Austin City Limits, a television program showcasing popular music legends. The Entertainment segment also includes revenues and costs associated with events hosted at other venues, including 3TEN ACL Live, which opened in March 2016 on the site of the W Austin Hotel & Residences, and the results of the Stageside Productions joint venture with Pedernales Entertainment LLC (see Note 2 in the Stratus 2016 Form 10-K for further discussion).

Stratus uses operating income or loss to measure the performance of each segment. General and administrative expenses, which primarily consist of employee salaries, wages and other costs, are managed on a consolidated basis and are not allocated to Stratus' operating segments. The following segment information reflects management determinations that may not be indicative of what the actual financial performance of each segment would be if it were an independent entity. The following segment information was prepared on the same basis as Stratus’ consolidated financial statements (in thousands).




	Real Estate Operations^a		Leasing Operations				Hotel		Entertainment		Eliminations and Other^b			Total
Three Months Ended September 30, 2017:
Revenues:
Unaffiliated customers	$	2,923	$	1,923			$	7,738	$	4,638	$	—		$	17,222
Intersegment	115		222				57		17		(411		)	—
Cost of sales, excluding depreciation	2,204		1,100				6,678		3,799		(144		)	13,637
Depreciation	57		739				886		384		(35		)	2,031
General and administrative expenses	—		—				—		—		2,220			2,220
Gain on sales of assets	—		(24,306		)	^c	—		—		—			(24,306		)
Operating income (loss)	$	777	$	24,612			$	231	$	472	$	(2,452	)	$	23,640
Capital expenditures^d	$	3,222	$	9,066			$	15	$	182	$	—		$	12,485
Total assets at September 30, 2017	183,643		71,041				103,560		36,888		15,332			410,464



	Real Estate Operations^a		Leasing Operations		Hotel		Entertainment			Eliminations and Other^b			Total
Three Months Ended September 30, 2016:
Revenues:
Unaffiliated customers	$	6,155	$	2,567	$	8,268	$	4,190		$	—		$	21,180
Intersegment	8		203		60		6			(277		)	—
Cost of sales, excluding depreciation	4,076		1,398		6,893		3,837			(135		)	16,069
Depreciation	55		920		873		378			(37		)	2,189
General and administrative expenses	—		—		—		—			2,497			2,497
Operating income (loss)	$	2,032	$	452	$	562	$	(19	)	$	(2,602	)	$	425
Capital expenditures^d	$	3,290	$	2,385	$	16	$	(16	)	$	—		$	5,675
Total assets at September 30, 2016	171,465		119,968		104,674		38,240			23,502			457,849



Nine Months Ended September 30, 2017:
Revenues:
Unaffiliated customers	$	9,108	$	6,015			$	27,817	$	16,375	$	—		$	59,315
Intersegment	136		653				230		142		(1,161		)	—
Cost of sales, excluding depreciation	8,048		3,773				21,323		12,756		(528		)	45,372
Depreciation	171		2,070				2,654		1,137		(104		)	5,928
General and administrative expenses	—		—				—		—		8,462			8,462
Profit participation	—		2,538				—		—		—			2,538
Gain on sales of assets	—		(25,421		)	^c	—		—		—			(25,421		)
Operating income (loss)	$	1,025	$	23,708			$	4,070	$	2,624	$	(8,991	)	$	22,436
Capital expenditures^d	$	11,196	$	13,845			$	273	$	245	$	—		$	25,559



Nine Months Ended September 30, 2016:
Revenues:
Unaffiliated customers	$	9,858	$	6,761	$	29,501	$	13,236	$	—		$	59,356
Intersegment	24		564		220		90		(898		)	—
Cost of sales, excluding depreciation	8,174		3,319		22,322		10,869		(436		)	44,248
Depreciation	169		2,162		2,570		1,084		(131		)	5,854
General and administrative expenses	—		—		—		—		9,718			9,718
Operating income (loss)	$	1,539	$	1,844	$	4,829	$	1,373	$	(10,049	)	$	(464	)
Capital expenditures^d	$	10,919	$	24,280	$	277	$	263	$	—		$	35,739


a.	Includes sales commissions and other revenues together with related expenses.


b.	Includes consolidated general and administrative expenses and eliminations of intersegment amounts.


c.	Includes $24.3 million associated with recognition of a portion of the deferred gain on the sale of The Oaks at Lakeway (see Note 3 for further discussion).


d.	Also includes purchases and development of residential real estate held for sale.

New Accounting Standards (Unaudited) (Notes)	9 Months Ended
New Accounting Standards (Unaudited) (Notes)	Sep. 30, 2017
New Accounting Standards [Abstract]
New Accounting Pronouncements and Changes in Accounting Principles [Text Block]	NEW ACCOUNTING STANDARDS In May 2014, the Financial Accounting Standards Board (FASB) issued an Accounting Standard Update (ASU) that provides a single comprehensive revenue recognition model, which will replace most existing revenue recognition guidance, and also requires expanded disclosures. The core principle of the model is that revenue is recognized when control of goods or services has been transferred to customers at an amount that reflects the consideration to which an entity expects to be entitled in exchange for those goods or services. For public entities, this ASU is effective for annual reporting periods beginning after December 15, 2017, and interim reporting periods within that reporting period. Early adoption is permitted for annual reporting periods beginning after December 15, 2016, and interim reporting periods within that reporting period. Stratus will adopt this ASU January 1, 2018. Stratus currently expects the largest impact of the adoption of this ASU to be related to the gain on the sale of The Oaks at Lakeway. Stratus continues to review the impact of the new guidance on its financial reporting and disclosures. In March 2016, FASB issued an ASU that simplifies various aspects of the accounting for share-based payment transactions, including the income tax consequences, statutory tax withholding requirements, an accounting policy election for forfeitures and the classification on the statement of cash flows. Stratus adopted this ASU on January 1, 2017, on a modified retrospective basis and recorded a cumulative effect adjustment of $143 thousand to its 2017 opening accumulated deficit balance.

Commitment (Notes)	9 Months Ended
Commitment (Notes)	Sep. 30, 2017
Commitment [Abstract]
Commitments and Contingencies Disclosure [Text Block]	COMMITMENTS AND CONTINGENCIES Operating Leases. In August 2017, a wholly owned subsidiary of Stratus finalized a 99-year ground lease agreement for the Jones Crossing project (see Note 5). The annual contractual payments under this noncancelable long-term operating lease total $39 thousand in 2017, $155 thousand for 2018, $233 thousand for 2019, $295 thousand for 2020, $419 thousand for the 2021 period and $111.5 million thereafter.

Subsequent Events (Unaudited) (Notes)	9 Months Ended
Subsequent Events (Unaudited) (Notes)	Sep. 30, 2017
Subsequent Events [Abstract]
Subsequent Events [Text Block]	SUBSEQUENT EVENTS On November 7, 2017, Stratus’ credit facility with Comerica Bank was amended to extend the maturity date by one year to November 30, 2018, and to eliminate the minimum interest rate of 6 percent so that the interest rate applicable to amounts borrowed under each tranche is equal to an annual rate of LIBOR plus 4.0 percent. Stratus is continuing to negotiate a modification and a longer-term extension of the credit facility with Comerica Bank. Stratus evaluated events after September 30, 2017, and through the date the financial statements were issued, and determined any events or transactions occurring during this period that would require recognition or disclosure are appropriately addressed in these financial statements.

Earnings Per Share (Unaudited) (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

A reconciliation of net income (loss) and weighted-average shares of common stock outstanding for purposes of calculating diluted net income (loss) per share (in thousands, except per share amounts) follows:




	Three Months Ended					Nine Months Ended
	September 30,					September 30,
	2017		2016			2017			2016
Net income (loss)	$	14,308	$	(1,659	)	$	10,753		$	(5,825	)
Net income attributable to noncontrolling interests in subsidiaries	—		—			(8		)	—
Net income (loss) attributable to Stratus common stockholders	$	14,308	$	(1,659	)	$	10,745		$	(5,825	)

Basic weighted-average shares of common stock outstanding	8,128		8,094			8,119			8,086

Add shares issuable upon exercise or vesting of dilutive stock options and restricted stock units (RSUs)^a	44		—			50			—

Diluted weighted-average shares of common stock outstanding	8,172		8,094			8,169			8,086

Diluted net income (loss) per share attributable to common stockholders	$	1.75	$	(0.20	)	$	1.32		$	(0.72	)


a.	Excludes approximately 30 thousand shares of common stock for third-quarter 2017, 23 thousand shares for the first nine months of 2017, and 124 thousand shares for both the third-quarter 2016 and first nine months of 2016 associated with outstanding stock options with exercise prices less than the average market price of Stratus' common stock and RSUs that were antidilutive.

Dispositions (Tables)

9 Months Ended

Sep. 30, 2017

Discontinued Operations and Disposal Groups [Abstract]

Deferred Gain Rollforward [Table Text Block]

The following table summarizes changes to the deferred gain during the first nine months of 2017 (in thousands):



Balance as of February 15, 2017	$	39,677
Master lease payments	(1,653		)
Revisions to costs to complete	(1,855		)
Gain recognized	(24,306		)
Balance as of September 30, 2017	$	11,863

Fair Value Measurements (Unaudited) (Tables)

9 Months Ended

Sep. 30, 2017

Fair Value Measurements [Abstract]

Fair Value, by Balance Sheet Grouping [Table Text Block]

A summary of the carrying amount and fair value of Stratus' other financial instruments follows (in thousands):



	September 30, 2017				December 31, 2016
	Carrying Value		Fair Value		Carrying Value		Fair Value
Liabilities:
Debt	$	227,856	$	229,865	$	291,102	$	293,620
Interest rate swap agreement	291		291		427		427

Debt and Equity Transactions (Unaudited) Summary of Debt (Tables)

9 Months Ended

Sep. 30, 2017

Debt Table [Abstract]

Schedule of Debt [Table Text Block]

The components of Stratus' debt are as follows (in thousands):



	September 30, 2017		December 31, 2016
Goldman Sachs loan	$	145,669	$	147,025
Lakeway construction loan	—		57,912
Santal Phase I construction loan	32,095		30,286
Comerica Bank credit facility	38,095		46,547
Amarra Villas credit facility	5,012		3,777
Barton Creek Village term loan	3,397		5,555
West Killeen Market construction loan	3,588		—
Total debt^a	$	227,856	$	291,102


a.	Includes net reductions for unamortized debt issuance costs of $1.5 million at September 30, 2017, and $2.2 million at December 31, 2016.

Business Segments (Unaudited) (Tables)

9 Months Ended

Sep. 30, 2017

Segment Reporting [Abstract]

Schedule of Segment Reporting Information by Segment [Table Text Block]

The following segment information was prepared on the same basis as Stratus’ consolidated financial statements (in thousands).




	Real Estate Operations^a		Leasing Operations				Hotel		Entertainment		Eliminations and Other^b			Total
Three Months Ended September 30, 2017:
Revenues:
Unaffiliated customers	$	2,923	$	1,923			$	7,738	$	4,638	$	—		$	17,222
Intersegment	115		222				57		17		(411		)	—
Cost of sales, excluding depreciation	2,204		1,100				6,678		3,799		(144		)	13,637
Depreciation	57		739				886		384		(35		)	2,031
General and administrative expenses	—		—				—		—		2,220			2,220
Gain on sales of assets	—		(24,306		)	^c	—		—		—			(24,306		)
Operating income (loss)	$	777	$	24,612			$	231	$	472	$	(2,452	)	$	23,640
Capital expenditures^d	$	3,222	$	9,066			$	15	$	182	$	—		$	12,485
Total assets at September 30, 2017	183,643		71,041				103,560		36,888		15,332			410,464



	Real Estate Operations^a		Leasing Operations		Hotel		Entertainment			Eliminations and Other^b			Total
Three Months Ended September 30, 2016:
Revenues:
Unaffiliated customers	$	6,155	$	2,567	$	8,268	$	4,190		$	—		$	21,180
Intersegment	8		203		60		6			(277		)	—
Cost of sales, excluding depreciation	4,076		1,398		6,893		3,837			(135		)	16,069
Depreciation	55		920		873		378			(37		)	2,189
General and administrative expenses	—		—		—		—			2,497			2,497
Operating income (loss)	$	2,032	$	452	$	562	$	(19	)	$	(2,602	)	$	425
Capital expenditures^d	$	3,290	$	2,385	$	16	$	(16	)	$	—		$	5,675
Total assets at September 30, 2016	171,465		119,968		104,674		38,240			23,502			457,849



Nine Months Ended September 30, 2017:
Revenues:
Unaffiliated customers	$	9,108	$	6,015			$	27,817	$	16,375	$	—		$	59,315
Intersegment	136		653				230		142		(1,161		)	—
Cost of sales, excluding depreciation	8,048		3,773				21,323		12,756		(528		)	45,372
Depreciation	171		2,070				2,654		1,137		(104		)	5,928
General and administrative expenses	—		—				—		—		8,462			8,462
Profit participation	—		2,538				—		—		—			2,538
Gain on sales of assets	—		(25,421		)	^c	—		—		—			(25,421		)
Operating income (loss)	$	1,025	$	23,708			$	4,070	$	2,624	$	(8,991	)	$	22,436
Capital expenditures^d	$	11,196	$	13,845			$	273	$	245	$	—		$	25,559



Nine Months Ended September 30, 2016:
Revenues:
Unaffiliated customers	$	9,858	$	6,761	$	29,501	$	13,236	$	—		$	59,356
Intersegment	24		564		220		90		(898		)	—
Cost of sales, excluding depreciation	8,174		3,319		22,322		10,869		(436		)	44,248
Depreciation	169		2,162		2,570		1,084		(131		)	5,854
General and administrative expenses	—		—		—		—		9,718			9,718
Operating income (loss)	$	1,539	$	1,844	$	4,829	$	1,373	$	(10,049	)	$	(464	)
Capital expenditures^d	$	10,919	$	24,280	$	277	$	263	$	—		$	35,739


a.	Includes sales commissions and other revenues together with related expenses.


b.	Includes consolidated general and administrative expenses and eliminations of intersegment amounts.


c.	Includes $24.3 million associated with recognition of a portion of the deferred gain on the sale of The Oaks at Lakeway (see Note 3 for further discussion).


d.	Also includes purchases and development of residential real estate held for sale.

Earnings Per Share (Unaudited) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 14,308	$ (1,659)	$ 10,753	$ (5,825)
Net Income (Loss) Attributable to Noncontrolling Interest	0	0	8	0
Net Income (Loss) Available to Common Stockholders, Basic	$ 14,308	$ (1,659)	$ 10,745	$ (5,825)
Weighted Average Number of Shares Outstanding, Basic	8,128	8,094	8,119	8,086
Weighted Average Number of Shares Outstanding, Diluted	8,172	8,094	8,169	8,086
Earnings Per Share, Diluted	$ 1.75	$ (0.20)	$ 1.32	$ (0.72)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	30	124	23	124
Employee Stock Option [Member]
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	44	0	50	0

Dispositions (Details) $ in Thousands			3 Months Ended		9 Months Ended
Dispositions (Details) $ in Thousands	Feb. 28, 2017 USD ($) ft² a	Feb. 15, 2017 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)
Movement in Deferred Revenue [Roll Forward]
Payments on master lease obligations					$ (1,653)	$ 0
Profit participation in sale of The Oaks at Lakeway			$ 0	$ 0	2,538	0
Gain on Disposition of Assets			24,306	$ 0	25,421	$ 0
The Oaks at Lakeway [Member] \| Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Sale of Real Estate Held-for-investment		$ 114,000
Proceeds from Sale of Real Estate Held-for-investment, Net of Debt Repayments		$ 50,800
Contractual Obligation			180		180
Guarantee obligations, Liability Cap, percentage		2.00%
Letters of Credit Outstanding, Amount		$ 1,500
Disposal Group, Deferred Gain on Disposal		39,677
Movement in Deferred Revenue [Roll Forward]
Payments on master lease obligations					(1,653)
Changes in previously estimated costs to complete project					(1,855)
Deferred Revenue, Revenue Recognized			(24,306)		(24,306)
Ending balance			$ 11,863		$ 11,863
Profit participation in sale of The Oaks at Lakeway		2,500
Other nonrecurring expense paid at closing		$ 2,200
Barton Creek [Member] \| Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Sale of Real Estate Held-for-investment	$ 3,100
Movement in Deferred Revenue [Roll Forward]
Gain on Disposition of Assets	(1,100)
Repayments of Debt	$ 2,100
Lakeway Master Lease Retail [Domain]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Lessee, Operating Lease, Term of Contract		5 years
Lakeway Master Lease Unleased 3 [Domain]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Lessee, Operating Lease, Term of Contract		10 years
Lakeway Master Lease Unleased [Domain]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Lessee, Operating Lease, Term of Contract		15 years
Lakeway Master Lease Hotel [Domain]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Lessee, Operating Lease, Term of Contract		99 years
Barton Creek [Member]
Movement in Deferred Revenue [Roll Forward]
Net Rentable Area \| ft²	3,085
Area of Land \| a	4.1

Fair Value Measurements (Unaudited) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Carrying Amount, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Debt	$ 227,856	$ 291,102
Interest rate swap agreement	291	427
Fair Value, Inputs, Level 2 [Member] \| Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Debt	229,865	293,620
Interest rate swap agreement	$ 291	$ 427

Debt and Equity Transactions (Unaudited) (Details)				3 Months Ended		9 Months Ended
Debt and Equity Transactions (Unaudited) (Details)	Sep. 11, 2017 USD ($)	Sep. 01, 2017 USD ($)	Apr. 28, 2017 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2017 ft²	Dec. 31, 2016 USD ($)
Debt Instrument [Line Items]
Debt				$ 227,856,000		$ 227,856,000			$ 291,102,000
Unamortized Debt Issuance Expense				1,500,000		1,500,000			2,200,000
Interest Costs Incurred				3,100,000	$ 4,100,000	9,300,000	$ 11,700,000
Interest Costs Capitalized				1,500,000	$ 1,500,000	4,300,000	$ 4,800,000
Goldman Sachs Loan [Member]
Debt Instrument [Line Items]
Debt				145,669,000		145,669,000			147,025,000
Lakeway Center Construction Loan [Member]
Debt Instrument [Line Items]
Debt				0		0			57,912,000
Santal Phase I Construction Loan [Member]
Debt Instrument [Line Items]
Debt									30,286,000
Comerica Credit Facility [Member]
Debt Instrument [Line Items]
Debt				38,095,000		38,095,000			46,547,000
Amarra Villas Credit Facility
Debt Instrument [Line Items]
Debt				5,012,000		5,012,000			3,777,000
Barton Creek Village Term Loan [Member]
Debt Instrument [Line Items]
Debt				3,397,000		3,397,000			5,555,000
Repayments of Debt						2,100,000
West Killeen Market construction loan [Member]
Debt Instrument [Line Items]
Debt				3,588,000		3,588,000			0
Letter of Credit [Member] \| Comerica Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity				6,900,000		6,900,000
Line of Credit Facility, Maximum Borrowing Capacity				45,000,000		45,000,000
Construction Loans [Member] \| Santal Phase I Construction Loan [Member]
Debt Instrument [Line Items]
Debt				32,095,000		32,095,000
Debt Instrument, Face Amount	$ 32,800,000
Construction Loans [Member] \| Lantana Place Construction Loan [Member]
Debt Instrument [Line Items]
Long-term Debt and Capital Lease Obligations, Including Current Maturities				0		0
Debt Instrument, Face Amount			$ 26,300,000
Construction Loans [Member] \| Jones Crossing Construction Loan [Member]
Debt Instrument [Line Items]
Long-term Debt and Capital Lease Obligations, Including Current Maturities				0		0
Line of Credit Facility, Covenant Terms		The loan agreement and related documents contain affirmative and negative covenants usual and customary for loan agreements of this nature, including, but not limited to, a financial covenant to maintain a debt service coverage ratio of at least 1.35 to 1.00 at all times beginning on March 31, 2020. Stratus will guarantee outstanding amounts under the loan until Phases 1 and 2 of the Jones Crossing development are completed and the development is able to maintain a debt service ratio of 1.50 to 1.00 as of the end of any fiscal quarter.
Debt Instrument, Face Amount		$ 36,800,000
Construction Loans [Member] \| Santal Multi-Family Construction Loan [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Covenant Terms	The construction loan agreements and related documents contain affirmative and negative covenants usual and customary for loan agreements of this nature. Santal may extend the maturity of the loan for up to two additional 12-month periods subject to satisfaction of certain conditions, including a debt service coverage ratio of at least 1.10 to 1.00 on the date immediately preceding the commencement of the first extension period and 1.20 to 1.00 on the date immediately preceding the commencement of the second extension period.
Debt Instrument, Face Amount	$ 59,200,000								$ 34,100,000
Construction Loans [Member] \| Santal Phase II Construction Loan [Member]
Debt Instrument [Line Items]
Long-term Debt and Capital Lease Obligations, Including Current Maturities				$ 0		$ 0
Debt Instrument, Face Amount	$ 26,400,000
Minimum [Member] \| Construction Loans [Member] \| Lantana Place Construction Loan [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Covenant Terms			The agreement contains affirmative and negative covenants usual and customary for loan agreements of this nature, including, but not limited to, a financial covenant to maintain a debt service coverage ratio of at least 1.35 to 1.00 at all times beginning on December 31, 2019. Stratus will guarantee outstanding amounts under the loan until the development is able to maintain a debt service ratio of 1.50 to 1.00 for a period of six consecutive months.
Lantana Place [Member]
Debt Instrument [Line Items]
Net Rentable Area \| ft²								320,000
London Interbank Offered Rate (LIBOR) [Member] \| Construction Loans [Member] \| Santal Phase I Construction Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.50%
London Interbank Offered Rate (LIBOR) [Member] \| Construction Loans [Member] \| Lantana Place Construction Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate			2.75%
London Interbank Offered Rate (LIBOR) [Member] \| Construction Loans [Member] \| Jones Crossing Construction Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate		3.75%
London Interbank Offered Rate (LIBOR) [Member] \| Construction Loans [Member] \| Santal Phase II Construction Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	3.00%
London Interbank Offered Rate (LIBOR) [Member] \| Minimum [Member] \| Construction Loans [Member] \| Lantana Place Construction Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			3.00%
London Interbank Offered Rate (LIBOR) [Member] \| Minimum [Member] \| Construction Loans [Member] \| Jones Crossing Construction Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		4.00%

Debt and Equity Transactions (Unaudited) Equity Transactions (Details) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended		9 Months Ended
	Apr. 18, 2017	Mar. 15, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Dividends Payable [Line Items]
Common Stock, Dividends, Per Share, Declared		$ 1.00	$ 0.00	$ 0.00	$ 1.00	$ 0.00
Dividends, Common Stock, Cash	$ 8.1

Income Taxes (Unaudited) (Details) - USD ($) $ in Thousands	9 Months Ended
Income Taxes (Unaudited) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Deferred tax assets	$ 18,630		$ 17,223
Current Income Tax Expense (Benefit)	7,500
Deferred income tax expense (benefit)	$ (1,264)	$ (12,827)
Federal Statutory Income Tax Rate	35.00%

Business Segments (Unaudited) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Feb. 15, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Revenues:
Unaffiliated customers		$ 17,222	$ 21,180	$ 59,315	$ 59,356
Intersegment		0	0	0	0
Cost of sales, excluding depreciation		13,637	16,069	45,372	44,248
Depreciation		2,031	2,189	5,928	5,854
General and administrative expenses		2,220	2,497	8,462	9,718
Profit participation		0	0	2,538	0
Gain on sale of assets		(24,306)	0	(25,421)	0
Operating income (loss)		23,640	425	22,436	(464)
Capital expenditures		12,485	5,675	25,559	35,739
Total assets		410,464	457,849	410,464	457,849	$ 452,175
Real Estate Operations [Member]
Revenues:
Unaffiliated customers		2,923	6,155	9,108	9,858
Intersegment		115	8	136	24
Cost of sales, excluding depreciation		2,204	4,076	8,048	8,174
Depreciation		57	55	171	169
General and administrative expenses		0	0	0	0
Profit participation				0
Gain on sale of assets		0		0
Operating income (loss)		777	2,032	1,025	1,539
Capital expenditures		3,222	3,290	11,196	10,919
Total assets		183,643	171,465	183,643	171,465
Leasing Operations [Member]
Revenues:
Unaffiliated customers		1,923	2,567	6,015	6,761
Intersegment		222	203	653	564
Cost of sales, excluding depreciation		1,100	1,398	3,773	3,319
Depreciation		739	920	2,070	2,162
General and administrative expenses		0	0	0	0
Profit participation				2,538
Gain on sale of assets		(24,306)		(25,421)
Operating income (loss)		24,612	452	23,708	1,844
Capital expenditures		9,066	2,385	13,845	24,280
Total assets		71,041	119,968	71,041	119,968
Hotel [Member]
Revenues:
Unaffiliated customers		7,738	8,268	27,817	29,501
Intersegment		57	60	230	220
Cost of sales, excluding depreciation		6,678	6,893	21,323	22,322
Depreciation		886	873	2,654	2,570
General and administrative expenses		0	0	0	0
Profit participation				0
Gain on sale of assets		0		0
Operating income (loss)		231	562	4,070	4,829
Capital expenditures		15	16	273	277
Total assets		103,560	104,674	103,560	104,674
Entertainment Venue [Member]
Revenues:
Unaffiliated customers		4,638	4,190	16,375	13,236
Intersegment		17	6	142	90
Cost of sales, excluding depreciation		3,799	3,837	12,756	10,869
Depreciation		384	378	1,137	1,084
General and administrative expenses		0	0	0	0
Profit participation				0
Gain on sale of assets		0		0
Operating income (loss)		472	(19)	2,624	1,373
Capital expenditures		182	(16)	245	263
Total assets		36,888	38,240	36,888	38,240
Eliminations and Other [Member]
Revenues:
Unaffiliated customers		0	0	0	0
Intersegment		(411)	(277)	(1,161)	(898)
Cost of sales, excluding depreciation		(144)	(135)	(528)	(436)
Depreciation		(35)	(37)	(104)	(131)
General and administrative expenses		2,220	2,497	8,462	9,718
Profit participation				0
Gain on sale of assets		0		0
Operating income (loss)		(2,452)	(2,602)	(8,991)	(10,049)
Capital expenditures		0	0	0	0
Total assets		15,332	$ 23,502	15,332	$ 23,502
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] \| The Oaks at Lakeway [Member]
Revenues:
Profit participation	$ 2,500
Deferred Revenue, Revenue Recognized		$ 24,306		$ 24,306

New Accounting Standards (Unaudited) (Details) $ in Thousands	Jan. 01, 2017 USD ($)
New Accounting Standards [Abstract]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	$ 143

Commitment (Details) - Jones Crossing [Domain] $ in Thousands	Sep. 30, 2017 USD ($)
Operating Leased Assets [Line Items]
2017	$ 39
2018	155
2019	233
2020	295
2021	419
Thereafter	$ 111,500

Subsequent Events (Unaudited) Subsequent Event (Details) - Comerica Credit Facility [Member] - Subsequent Event [Member]	Nov. 07, 2017
Subsequent Event [Line Items]
Debt Instrument, Basis Spread on Variable Rate	4.00%
Minimum [Member]
Subsequent Event [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.00%