CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-In Capital Accelerated Share Repurchase Agreement ("ASR")	Additional Paid-In Capital	Retained Earnings	Treasury Stock Existing Share Repurchase Program	Treasury Stock Accelerated Share Repurchase Agreement ("ASR")	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Existing Share Repurchase Program	Accelerated Share Repurchase Agreement ("ASR")	Total
Balances at Dec. 31, 2020	$ 290		$ 342,354	$ 595,932			$ (111,173)	$ 1,190			$ 828,593
Balances (in shares) at Dec. 31, 2020	29,045						3,657
Increase (Decrease) in Stockholders' Equity
Net income				23,361							23,361
Other comprehensive income, net of tax								804			804
Issuance of common stock under share-based compensation plans	$ 1		(1)
Issuance of common stock under share-based compensation plans (in shares)	12
Shares withheld for employee tax remittance on share-based compensation			(165)								(165)
Share-based compensation expense			2,354								2,354
Purchase of treasury stock							$ (1,001)				(1,001)
Purchase of treasury stock (in shares)							15
Dividends declared on common stock				(2,037)							(2,037)
Balances at Mar. 31, 2021	$ 291		344,542	617,256			$ (112,174)	1,994			851,909
Balances (in shares) at Mar. 31, 2021	29,057						3,672
Balances at Dec. 31, 2020	$ 290		342,354	595,932			$ (111,173)	1,190			828,593
Balances (in shares) at Dec. 31, 2020	29,045						3,657
Increase (Decrease) in Stockholders' Equity
Purchase of treasury stock										$ (75,000)
Balances at Dec. 31, 2021	$ 294		318,033	801,314			$ (194,273)	3,699			929,067
Balances (in shares) at Dec. 31, 2021	29,360						4,493
Increase (Decrease) in Stockholders' Equity
Net income				69,569							69,569
Other comprehensive income, net of tax								1,624			1,624
Issuance of common stock under share-based compensation plans (in shares)	25
Shares withheld for employee tax remittance on share-based compensation			(1,367)								(1,367)
Share-based compensation expense			2,763								2,763
Purchase of treasury stock					$ (16,506)				$ (16,506)
Purchase of treasury stock (in shares)					194	214
Forward contract for accelerated share repurchase		$ 25,000				$ (25,000)
Dividends declared on common stock				(1,978)							(1,978)
Balances at Mar. 31, 2022	$ 294		$ 344,429	$ 868,905			$ (235,779)	$ 5,323			$ 983,172
Balances (in shares) at Mar. 31, 2022	29,385						4,901