CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands		Total	Common stock	Additional Paid-in Capital	Treasury Stock	(Deficit) Retained Earnings
Beginning balance at Dec. 31, 2018		$ 1,006,446	$ 82	$ 914,540	$ (24,218)	$ 116,042
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares withheld for payment of taxes on equity awards and other		(270)		(270)
Stock based compensation		1,498		1,498
Purchases of treasury stock		(24,375)			(24,375)
Purchase of rights to common stock	[1]	0		(20,265)	20,265
Common stock issued to settle unsecured claims		0	3	(3)
Dividends declared on common stock, $0.12/share		(10,072)				(10,072)
Net income (loss)		(34,098)				(34,098)
Ending balance at Mar. 31, 2019		939,129	85	895,500	(28,328)	71,872
Beginning balance at Dec. 31, 2018		1,006,446	82	914,540	(24,218)	116,042
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		(2,126)
Ending balance at Jun. 30, 2019		952,316	85	897,322	(39,225)	94,134
Beginning balance at Mar. 31, 2019		939,129	85	895,500	(28,328)	71,872
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares withheld for payment of taxes on equity awards and other		(675)		(675)
Stock based compensation		2,497		2,497
Purchases of treasury stock		(10,897)			(10,897)
Dividends declared on common stock, $0.12/share		(9,710)				(9,710)
Net income (loss)		31,972				31,972
Ending balance at Jun. 30, 2019		952,316	85	897,322	(39,225)	94,134
Beginning balance at Dec. 31, 2019		972,448	85	901,830	(49,995)	120,528
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares withheld for payment of taxes on equity awards and other		(794)		(794)
Stock based compensation		3,036		3,036
Dividends declared on common stock, $0.12/share		(9,564)				(9,564)
Net income (loss)		(115,300)				(115,300)
Ending balance at Mar. 31, 2020		849,826	85	904,072	(49,995)	(4,336)
Beginning balance at Dec. 31, 2019		972,448	85	901,830	(49,995)	120,528
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		(180,201)
Ending balance at Jun. 30, 2020		789,515	85	908,662	(49,995)	(69,237)
Beginning balance at Mar. 31, 2020		849,826	85	904,072	(49,995)	(4,336)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares withheld for payment of taxes on equity awards and other		(140)		(140)
Stock based compensation		4,730		4,730
Net income (loss)		(64,901)				(64,901)
Ending balance at Jun. 30, 2020		$ 789,515	$ 85	$ 908,662	$ (49,995)	$ (69,237)

[1] In 2018, we entered into several settlement agreements with general unsecured creditors from our bankruptcy process. We paid approximately $20 million to purchase their claims to our common stock. These claims were settled in February 2019 with no shares issued.