Consolidated Statements of Changes in Stockholders Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Warrants	Additional Paid-In Capital	Accumulated Deficit
Beginning Balance (in shares) at Dec. 31, 2020		35,928	6,734
Beginning Balance at Dec. 31, 2020	$ 128,066	$ 36	$ 88,520	$ 1,062,220	$ (1,022,710)
Increase (Decrease) in Stockholders' Equity
Issuance of stock awards, net of cancellations (in shares)		547
Issuance of stock awards, net of cancellations	0	$ 1		(1)
Common stock issued for general unsecured claims (in shares)		200
Common stock issued for general unsecured claims	0
Stock-based compensation	1,417			1,417
Issuance of warrants for general unsecured claims (in shares)			247
Issuance of warrants for general unsecured claims	0
Tax withholdings paid in exchange for shares withheld on employee vested stock awards	(899)			(899)
Net Income (loss)	116,738				116,738
Ending Balance (in shares) at Dec. 31, 2021		36,675	6,981
Ending Balance at Dec. 31, 2021	245,322	$ 37	$ 88,520	1,062,737	(905,972)
Increase (Decrease) in Stockholders' Equity
Issuance of stock awards, net of cancellations (in shares)		193
Issuance of stock awards, net of cancellations		$ 0		0
Stock-based compensation	1,603			1,603
Tax withholdings paid in exchange for shares withheld on employee vested stock awards	(1,177)			(1,177)
Warrants exercised	6		$ (2)	8
Cancellation of expired warrants (in shares)			(6,981)
Cancellation of expired warrants	0		$ (88,518)	88,518
Net Income (loss)	$ 242,168				242,168
Ending Balance (in shares) at Dec. 31, 2022	36,868	36,868	0
Ending Balance at Dec. 31, 2022	$ 487,922	$ 37	$ 0	1,151,689	(663,804)
Increase (Decrease) in Stockholders' Equity
Issuance of stock awards, net of cancellations (in shares)		223
Stock-based compensation	2,039			2,039
Tax withholdings paid in exchange for shares withheld on employee vested stock awards	(929)			(929)
Dividends to shareholders	(81,778)			(81,778)
Net Income (loss)	$ 60,857				60,857
Ending Balance (in shares) at Dec. 31, 2023	37,091	37,091	0
Ending Balance at Dec. 31, 2023	$ 468,111	$ 37	$ 0	$ 1,071,021	$ (602,947)