CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Warrants	Additional Paid-In Capital	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2021		36,675,000	6,981,000
Beginning 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)		51,000
Issuance of stock awards, net of cancellations	0
Tax withholdings paid in exchange for shares withheld on employee vested stock awards	(235)			(235)
Stock-based compensation	384			384
Net income	34,724				34,724
Ending balance (in shares) at Mar. 31, 2022		36,726,000	6,981,000
Ending balance at Mar. 31, 2022	280,195	$ 37	$ 88,520	1,062,886	(871,248)
Beginning balance (in shares) at Dec. 31, 2021		36,675,000	6,981,000
Beginning balance at Dec. 31, 2021	245,322	$ 37	$ 88,520	1,062,737	(905,972)
Increase (Decrease) in Stockholders' Equity
Net income	83,216
Ending balance (in shares) at Jun. 30, 2022		36,742,000	6,981,000
Ending balance at Jun. 30, 2022	329,127	$ 37	$ 88,520	1,063,326	(822,756)
Beginning balance (in shares) at Mar. 31, 2022		36,726,000	6,981,000
Beginning balance at Mar. 31, 2022	280,195	$ 37	$ 88,520	1,062,886	(871,248)
Increase (Decrease) in Stockholders' Equity
Issuance of stock awards, net of cancellations (in shares)		16,000
Issuance of stock awards, net of cancellations	0
Stock-based compensation	440			440
Net income	48,492				48,492
Ending balance (in shares) at Jun. 30, 2022		36,742,000	6,981,000
Ending balance at Jun. 30, 2022	$ 329,127	$ 37	$ 88,520	1,063,326	(822,756)
Beginning balance (in shares) at Dec. 31, 2022	36,868,000	36,868,000	0
Beginning 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)		34,000
Issuance of stock awards, net of cancellations	0			0
Tax withholdings paid in exchange for shares withheld on employee vested stock awards	(211)			(211)
Stock-based compensation	396			396
Net income	23,758				23,758
Ending balance (in shares) at Mar. 31, 2023		36,902,000	0
Ending balance at Mar. 31, 2023	$ 511,865	$ 37	$ 0	1,151,874	(640,046)
Beginning balance (in shares) at Dec. 31, 2022	36,868,000	36,868,000	0
Beginning balance at Dec. 31, 2022	$ 487,922	$ 37	$ 0	1,151,689	(663,804)
Increase (Decrease) in Stockholders' Equity
Net income	$ 40,395
Ending balance (in shares) at Jun. 30, 2023	36,966,000	36,966,000	0
Ending balance at Jun. 30, 2023	$ 454,698	$ 37	$ 0	1,078,070	(623,409)
Beginning balance (in shares) at Mar. 31, 2023		36,902,000	0
Beginning balance at Mar. 31, 2023	511,865	$ 37	$ 0	1,151,874	(640,046)
Increase (Decrease) in Stockholders' Equity
Issuance of stock awards, net of cancellations (in shares)		64,000
Issuance of stock awards, net of cancellations	0
Stock-based compensation	576			576
Dividends to shareholders	(74,380)			(74,380)
Net income	$ 16,637				16,637
Ending balance (in shares) at Jun. 30, 2023	36,966,000	36,966,000	0
Ending balance at Jun. 30, 2023	$ 454,698	$ 37	$ 0	$ 1,078,070	$ (623,409)