CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Retained (Deficit) Earnings	Accumulated Other Comprehensive (Loss) Income	Treasury Stock	Non-controlling Interest
Beginning Balance (in shares) at Dec. 31, 2013		92,292,913
Beginning Balance at Dec. 31, 2013	$ 563,525	$ 892,027	$ (325,871)	$ (7,517)	$ (285)	$ 5,171
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Capital contributions from non-controlling interest	3,492					3,492
Issuance of common stock for director fees (in shares)		9,723
Issuance of common stock for director fees	210	$ 210
Other comprehensive income	6,192			6,192
Net income (loss)	406,282		406,453			(171)
Ending Balance (in shares) at Dec. 31, 2014		92,302,636
Ending Balance at Dec. 31, 2014	979,701	$ 892,237	80,582	(1,325)	(285)	8,492
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Capital distribution to non-controlling interest	(68)					(68)
Issuance of common stock for director fees (in shares)		9,660
Issuance of common stock for director fees	$ 150	$ 150
Repurchase of common shares (in shares)	(16,982,739)	(16,982,739)
Repurchase of common shares	$ (305,004)				(305,004)
Other comprehensive income	639			639
Net income (loss)	(1,971)		(1,731)			(240)
Ending Balance (in shares) at Dec. 31, 2015		75,329,557
Ending Balance at Dec. 31, 2015	673,447	$ 892,387	78,851	(686)	(305,289)	8,184
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Capital contributions from non-controlling interest	10,353					10,353
Capital distribution to non-controlling interest	(600)					(600)
Issuance of common stock for director fees (in shares)		8,919
Issuance of common stock for director fees	131	$ 131
Adjustments to Additional Paid in Capital, Income Tax Deficiency from Share-based Compensation	$ (369)	$ (369)
Repurchase of common shares (in shares)	(995,650)	(995,650)
Repurchase of common shares	$ (14,820)				(14,820)
Retirement of treasury stock		$ (320,109)			320,109
Other comprehensive income	3,193			3,193
Net income (loss)	15,464		15,895			(431)
Ending Balance (in shares) at Dec. 31, 2016		74,342,826
Ending Balance at Dec. 31, 2016	$ 686,799	$ 572,040	$ 94,746	$ 2,507	$ 0	$ 17,506