CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings/ Accumulated Deficit	Accumulated Other Comprehensive Loss	Treasury Stock, at Cost	Non- controlling Interest
Beginning balance at Dec. 31, 2013	$ 564,845	$ 26	$ 546,307	$ (17,083)	$ 232	$ (56,593)	$ 91,956
Beginning balance, shares at Dec. 31, 2013		25,821
Beginning balance, treasury shares at Dec. 31, 2013						3,073
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	7,093		5,228				1,865
Exercise of restricted stock units	(5,736)		(4,919)				(817)
Exercise of restricted stock units, shares		247
Retirement of treasury stock	0	$ (3)	(54,954)			$ 54,957
Retirement of treasury stock, shares		(2,985)				(2,985)
Sale of treasury stock	223					$ 223
Sale of treasury stock, shares						(10)
Contributions from noncontrolling interest	240						240
Net loss	(59,605)			(52,425)			(7,180)
Other comprehensive loss, net of tax:
Unrealized gain (loss) on securities, net of deferred income tax and reclassification adjustments	(2,093)				(2,093)
Foreign currency translation	6,578				6,578
Ending balance at Dec. 31, 2014	511,545	$ 23	491,662	(69,508)	4,717	$ (1,413)	86,064
Ending balance, shares at Dec. 31, 2014		23,083
Ending balance, treasury shares at Dec. 31, 2014						78
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	3,616		2,882				734
Exercise of restricted stock units	0
Exercise of restricted stock units, shares		33
Withholding taxes paid on vested restricted stock units at UCP, Inc.	(496)		(337)				(159)
Distribution to noncontrolling interest	(26)						(26)
Net loss	(80,879)			(81,858)			979
Other comprehensive loss, net of tax:
Unrealized gain (loss) on securities, net of deferred income tax and reclassification adjustments	292				292
Foreign currency translation	(48)				(48)
Ending balance at Dec. 31, 2015	$ 434,004	$ 23	494,207	(151,366)	4,961	$ (1,413)	87,592
Ending balance, shares at Dec. 31, 2015	23,116	23,116
Ending balance, treasury shares at Dec. 31, 2015	78					78
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 4,005		3,507				498
Exercise of restricted stock units	0
Exercise of restricted stock units, shares		9
Withholding taxes paid on vested restricted stock units at UCP, Inc.	(46)		(26)				(20)
Changes in ownership of noncontrolling interest	0		(1,951)				1,951
UCP, Inc.’s acquisition of its class A common stock	(1,250)						(1,250)
Distribution of treasury stock to deferred compensation plan participants	217		(269)			$ 486
Distribution of treasury stock to deferred compensation plan participants, shares						(23)
Abandonment of consolidated subsidiary	1,968						1,968
Net loss	(13,029)			(21,865)			8,836
Other comprehensive loss, net of tax:
Unrealized gain (loss) on securities, net of deferred income tax and reclassification adjustments	1,671				1,671
Foreign currency translation	29				29
Ending balance at Dec. 31, 2016	$ 427,569	$ 23	$ 495,468	$ (173,231)	$ 6,661	$ (927)	$ 99,575
Ending balance, shares at Dec. 31, 2016	23,125	23,125
Ending balance, treasury shares at Dec. 31, 2016	55					55