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
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	136,941
Ending balance (in shares) at Sep. 30, 2022		36,865,000	6,981,000
Ending balance at Sep. 30, 2022	382,299	$ 37	$ 88,518	1,062,775	(769,031)
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
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)
Increase (Decrease) in Stockholders' Equity
Issuance of stock awards, net of cancellations (in shares)		123,000
Tax withholdings paid in exchange for shares withheld on employee vested stock awards	(942)			(942)
Stock-based compensation	384			384
Warrants exercised	5		$ (2)	7
Net income	53,725				53,725
Ending balance (in shares) at Sep. 30, 2022		36,865,000	6,981,000
Ending balance at Sep. 30, 2022	$ 382,299	$ 37	$ 88,518	1,062,775	(769,031)
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
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	$ 59,065
Ending balance (in shares) at Sep. 30, 2023	37,091,000	37,091,000	0
Ending balance at Sep. 30, 2023	$ 469,517	$ 37	$ 0	1,074,219	(604,739)
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
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	0
Ending balance at Jun. 30, 2023	454,698	$ 37	$ 0	1,078,070	(623,409)
Increase (Decrease) in Stockholders' Equity
Issuance of stock awards, net of cancellations (in shares)		125,000
Tax withholdings paid in exchange for shares withheld on employee vested stock awards	(718)			(718)
Stock-based compensation	544			544
Dividends to shareholders	(3,677)			(3,677)
Net income	$ 18,670				18,670
Ending balance (in shares) at Sep. 30, 2023	37,091,000	37,091,000	0
Ending balance at Sep. 30, 2023	$ 469,517	$ 37	$ 0	$ 1,074,219	$ (604,739)