Condensed Consolidated Statements of Changes in Stockholders' (Equity) Deficit - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Treasury Stock
Beginning balance (in shares) at Dec. 31, 2020		128,198,185			1,395,089
Beginning balance at Dec. 31, 2020	$ 26,622	$ 1,282	$ 491,246	$ (428,406)	$ (37,500)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	701		701
Net income	12,862			12,862
Ending balance (in shares) at Mar. 31, 2021		128,198,185			1,395,089
Ending balance at Mar. 31, 2021	40,185	$ 1,282	491,947	(415,544)	$ (37,500)
Beginning balance (in shares) at Dec. 31, 2021		128,198,185			1,985,309
Beginning balance at Dec. 31, 2021	158,982	$ 1,282	496,983	(282,439)	$ (56,844)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	1,281		1,281
Restricted stock units issued, net of shares withheld for taxes	(39)		(207)		$ 168
Restricted stock units issued, net of shares withheld for taxes (in shares)					5,079
Net income	23,154			23,154
Ending balance (in shares) at Mar. 31, 2022		128,198,185			1,980,230
Ending balance at Mar. 31, 2022	$ 183,378	$ 1,282	$ 498,057	$ (259,285)	$ (56,676)