Consolidated Statements of Changes in Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2020	$ (736,639)	$ (25)	$ 2,157	$ 807,582	$ (10,200)	$ 62,875
Balance (in shares) at Dec. 31, 2020			21,573		688
Net income (loss)	27,004	0	$ 0	0	$ 0	27,004
Restricted stock awards, forfeitures and shares repurchased for tax withholdings, net	0	0	$ 0	(1,550)	$ 2,286	736
Restricted stock awards, forfeitures and shares repurchased for tax withholdings, net (in shares)			0		(161)
Stock-based compensation	0	0	$ 0	606	$ 0	606
Repurchases of common stock	0	0	$ 0	0	$ (40,655)	(40,655)
Repurchases of common stock (in shares)			0		4,541
Restricted stock awards, forfeitures and shares repurchased for tax withholdings, net	(0)	(0)	$ (0)	1,550	$ (2,286)	(736)
Balance at Dec. 31, 2021	(709,635)	(25)	$ 2,157	806,638	$ (48,569)	50,566
Balance (in shares) at Dec. 31, 2021			21,573		5,068
Net income (loss)	(14,263)	0	$ 0	0	$ 0	(14,263)
Restricted stock awards, forfeitures and shares repurchased for tax withholdings, net	0	0	$ 0	2,622	$ (3,099)	(477)
Restricted stock awards, forfeitures and shares repurchased for tax withholdings, net (in shares)			0		(302)
Stock-based compensation	0	0	$ 0	736	$ 0	736
Repurchases of common stock	0	0	$ 0	0	$ (2,940)	(2,940)
Repurchases of common stock (in shares)			0		712
Restricted stock awards, forfeitures and shares repurchased for tax withholdings, net	0	0	$ 0	(2,622)	$ 3,099	477
Balance at Dec. 31, 2022	$ (723,898)	$ (25)	$ 2,157	$ 804,752	$ (48,410)	$ 34,576
Balance (in shares) at Dec. 31, 2022			21,573		5,478