Condensed Consolidated Statements of Shareholders' Equity (Deficit) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Deficit
Beginning Balance (in shares) at Dec. 31, 2020		2,084
Beginning Balance at Dec. 31, 2020	$ (279,265)	$ 21	$ 188,978	$ (468,264)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock awards (cancellations), net (in shares)		98
Restricted stock awards (cancellations), net		$ 1	(1)
Non-cash stock-based compensation	166		166
Net income (loss)	38,844			38,844
Ending Balance (in shares) at Mar. 31, 2021		2,182
Ending Balance at Mar. 31, 2021	(240,255)	$ 22	189,143	(429,420)
Beginning Balance (in shares) at Dec. 31, 2020		2,084
Beginning Balance at Dec. 31, 2020	(279,265)	$ 21	188,978	(468,264)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Series A convertible preferred stock dividends	0
Net income (loss)	124,432
Ending Balance (in shares) at Sep. 30, 2021		2,193
Ending Balance at Sep. 30, 2021	(153,564)	$ 22	190,246	(343,832)
Beginning Balance (in shares) at Mar. 31, 2021		2,182
Beginning Balance at Mar. 31, 2021	(240,255)	$ 22	189,143	(429,420)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock awards (cancellations), net (in shares)		12
Non-cash stock-based compensation	517		517
Net income (loss)	49,078			49,078
Ending Balance (in shares) at Jun. 30, 2021		2,194
Ending Balance at Jun. 30, 2021	(190,660)	$ 22	189,660	(380,342)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock awards (cancellations), net (in shares)		(1)
Series A convertible preferred stock dividends	0
Non-cash stock-based compensation	586		586
Net income (loss)	36,510			36,510
Ending Balance (in shares) at Sep. 30, 2021		2,193
Ending Balance at Sep. 30, 2021	(153,564)	$ 22	190,246	(343,832)
Beginning Balance (in shares) at Dec. 31, 2021		6,634
Beginning Balance at Dec. 31, 2021	(46,810)	$ 66	295,781	(342,657)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock awards (cancellations), net (in shares)		31
Restricted stock awards (cancellations), net	1	$ 1
Series A convertible preferred stock dividends	(1,133)		(1,133)
Non-cash stock-based compensation	1,827		1,827
Net income (loss)	(16,678)			(16,678)
Ending Balance (in shares) at Mar. 31, 2022		6,665
Ending Balance at Mar. 31, 2022	(62,793)	$ 67	296,475	(359,335)
Beginning Balance (in shares) at Dec. 31, 2021		6,634
Beginning Balance at Dec. 31, 2021	(46,810)	$ 66	295,781	(342,657)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Series A convertible preferred stock dividends	(3,401)
Net income (loss)	(37,827)
Ending Balance (in shares) at Sep. 30, 2022		6,670
Ending Balance at Sep. 30, 2022	(84,822)	$ 67	295,595	(380,484)
Beginning Balance (in shares) at Mar. 31, 2022		6,665
Beginning Balance at Mar. 31, 2022	(62,793)	$ 67	296,475	(359,335)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock awards (cancellations), net (in shares)		157
Restricted stock awards (cancellations), net		$ 1	(1)
Series A convertible preferred stock dividends	(1,134)		(1,134)
Purchase of common stock	(219)		(219)
Non-cash stock-based compensation	2,240		2,240
Net income (loss)	(7,410)			(7,410)
Ending Balance (in shares) at Jun. 30, 2022		6,822
Ending Balance at Jun. 30, 2022	(69,316)	$ 68	297,361	(366,745)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock awards (cancellations), net (in shares)		(152)
Restricted stock awards (cancellations), net	(1)	$ (1)
Series A convertible preferred stock dividends	(1,134)		(1,134)
Purchase of common stock	(44)		(44)
Non-cash stock-based compensation	(588)		(588)
Net income (loss)	(13,739)			(13,739)
Ending Balance (in shares) at Sep. 30, 2022		6,670
Ending Balance at Sep. 30, 2022	$ (84,822)	$ 67	$ 295,595	$ (380,484)