Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock, Common [Member]	Total
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)	(6,709)	0	$ 0	0	$ 0	(6,709)
Repurchases of common stock	0	0	$ 0	0	$ (779)	(779)
Repurchases of common stock (in shares)			0		148
Restricted stock awards, forfeitures and shares repurchased for tax withholdings, net	0	0	$ 0	(1,019)	$ 1,322	303
Restricted stock awards, forfeitures and shares repurchased for tax withholdings, net (in shares)			0		(122)
Stock-based compensation expense	0	0	$ 0	168	$ 0	168
Balance at Mar. 31, 2022	(716,344)	(25)	$ 2,157	805,787	$ (48,026)	43,549
Balance (in shares) at Mar. 31, 2022			21,573		5,094
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
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
Net income (loss)	(3,484)	0	$ 0	0	$ 0	(3,484)
Repurchases of common stock	0	0	$ 0	0	$ (75)	(75)
Repurchases of common stock (in shares)			0		25
Restricted stock awards, forfeitures and shares repurchased for tax withholdings, net	0	0	$ 0	(1,899)	$ 2,106	207
Restricted stock awards, forfeitures and shares repurchased for tax withholdings, net (in shares)			0		(193)
Stock-based compensation expense	0	0	$ 0	168	$ 0	168
Balance at Mar. 31, 2023	$ (727,382)	$ (25)	$ 2,157	$ 803,021	$ (46,379)	$ 31,392
Balance (in shares) at Mar. 31, 2023			21,573		5,310