Consolidated Statements of Stockholders' Deficit - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock, shares (in shares)						8,430,000
Common stock, beginning balance (in shares) at Dec. 31, 2020		16,452,000
Stockholders' equity balance, beginning of the period at Dec. 31, 2020	$ (354,651)	$ 249	$ 257,625	$ (55,553)	$ (55)	$ (556,917)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	25,603			25,603
Other comprehensive gain (loss)	(1)				(1)
Reissuance of treasure stock (in shares)		(539,000)				(539,000)
Reissuance of treasury stock	19,484	$ 1	(2,290)			$ 21,773
Net use of shares for stock plans (in shares)		166,000
Repurchase of restricted shares for taxes (in shares)		(15,000)
Repurchase of restricted shares for taxes	(1,220)		(1,220)
Stock-based compensation	3,094		3,094
Tax payments for share settlement of restricted stock units	(9,711)		(9,711)
Common stock, ending balance (in shares) at Mar. 31, 2021		17,142,000
Stockholders' equity balance, ending of the period at Mar. 31, 2021	$ (317,402)	$ 250	247,498	(29,950)	(56)	$ (535,144)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock, shares (in shares)						7,891,000
Treasury stock, shares (in shares)	7,828,329					7,828,000
Common stock, beginning balance (in shares) at Dec. 31, 2021	17,163,946	17,164,000
Stockholders' equity balance, beginning of the period at Dec. 31, 2021	$ (242,807)	$ 250	256,189	35,415	(59)	$ (534,602)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	24,850			24,850
Other comprehensive gain (loss)	(1)				(1)
Purchase of Company common stock (in shares)		(588,000)				(588,000)
Purchase of Company common stock	$ (41,445)					$ (41,445)
Reissuance of treasure stock (in shares)	(171,302)	(171,000)				(171,000)
Reissuance of treasury stock	$ 241		(7,778)			$ 8,019
Net use of shares for stock plans (in shares)		22,000
Repurchase of restricted shares for taxes (in shares)		(23,000)
Repurchase of restricted shares for taxes	(1,745)		(1,745)
Stock-based compensation	4,341		4,341
Dividends on common stock	(7,653)		96	(7,749)
Tax payments for share settlement of restricted stock units	$ (953)		(953)
Common stock, ending balance (in shares) at Mar. 31, 2022	16,746,028	16,746,000
Stockholders' equity balance, ending of the period at Mar. 31, 2022	$ (265,172)	$ 250	$ 250,150	$ 52,516	$ (60)	$ (568,028)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock, shares (in shares)	8,245,135					8,245,000