Consolidated Statements of Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Total Stratus Stockholders' Equity [Member]	Accumulated Deficit [Member]	Noncontrolling Interests in Subsidiaries [Member]	Common Stock [Member]	Capital in Excess of Par Value [Member]	Common Stock Held in Treasury [Member]
Balance at Dec. 31, 2018	$ 146,651	$ 123,986	$ (41,103)	$ 22,665	$ 93	$ 186,256	$ (21,260)
Balance (in shares) at Dec. 31, 2018					9,288		1,124
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercised and issued stock-based awards	0	0				0
Exercised and issued stock-based awards (in shares)					17
Stock-based compensation	78	78				78
Tender of shares for stock-based awards	(100)	(100)					$ (100)
Tender of shares for stock-based awards (in shares)							4
Comprehensive Income (Loss), Net of Tax, Attributable to Parent		(1,527)	(1,527)	(1)
Total comprehensive income (loss)	(1,528)
Balance at Jun. 30, 2019	140,512	122,437	(42,630)	18,075	$ 93	186,334	$ (21,360)
Balance (in shares) at Jun. 30, 2019					9,305		1,128
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	(4,589)			(4,589)
Balance at Mar. 31, 2019	142,992	124,916	(40,241)	18,076	$ 93	186,424	$ (21,360)
Balance (in shares) at Mar. 31, 2019					9,305		1,128
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	(90)	(90)				(90)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent		(2,389)	(2,389)	(1)
Total comprehensive income (loss)	(2,390)
Balance at Jun. 30, 2019	140,512	122,437	(42,630)	18,075	$ 93	186,334	$ (21,360)
Balance (in shares) at Jun. 30, 2019					9,305		1,128
Balance at Dec. 31, 2019	134,082	121,099	(43,567)	12,983	$ 93	186,082	$ (21,509)
Balance (in shares) at Dec. 31, 2019					9,330		1,133
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercised and issued stock-based awards	0	0				0
Exercised and issued stock-based awards (in shares)					17
Stock-based compensation	340	340				340
Tender of shares for stock-based awards	(91)	(91)					$ (91)
Tender of shares for stock-based awards (in shares)							4
Comprehensive Income (Loss), Net of Tax, Attributable to Parent		3,064	3,064
Total comprehensive income (loss)	1,656
Balance at Jun. 30, 2020	135,987	124,412	(40,503)	11,575	$ 93	186,422	$ (21,600)
Balance (in shares) at Jun. 30, 2020					9,347		1,137
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest				(1,408)
Balance at Mar. 31, 2020	132,006	120,100	(44,637)	11,906	$ 93	186,244	$ (21,600)
Balance (in shares) at Mar. 31, 2020					9,347		1,137
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	178	178				178
Comprehensive Income (Loss), Net of Tax, Attributable to Parent		4,134	4,134
Total comprehensive income (loss)	3,803
Balance at Jun. 30, 2020	$ 135,987	$ 124,412	$ (40,503)	11,575	$ 93	$ 186,422	$ (21,600)
Balance (in shares) at Jun. 30, 2020					9,347		1,137
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest				$ (331)