CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Common Stock	Additional Paid-In Capital Cumulative Effect, Period of Adoption, Adjusted Balance	Additional Paid-In Capital	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings Cumulative Effect, Period of Adoption, Adjusted Balance	Retained Earnings	Treasury Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Treasury Stock	Accumulated Other Comprehensive Income (Loss) Cumulative Effect, Period of Adoption, Adjusted Balance	Accumulated Other Comprehensive Income (Loss)	Cumulative Effect, Period of Adoption, Adjustment	Cumulative Effect, Period of Adoption, Adjusted Balance	Total
Balances at Dec. 31, 2018		$ 287		$ 325,712			$ 501,389		$ (95,468)		$ (14,238)			$ 717,682
Balances (in shares) at Dec. 31, 2018		28,685							3,098
Increase (Decrease) in Stockholders' Equity
Net income							39,985							39,985
Other comprehensive income, net of tax											14,441			14,441
Issuance of common stock under share-based compensation plans		$ 1		(1)
Issuance of common stock under share-based compensation plans (in shares)		126
Shares withheld for employee tax remittance on share-based compensation				(1,291)										(1,291)
Share-based compensation expense				9,523										9,523
Purchase of treasury stock									$ (9,110)					(9,110)
Purchase of treasury stock (in shares)									307
Dividends declared on common stock							(8,187)							(8,187)
Balances at Dec. 31, 2019	$ 288	$ 288	$ 333,943	333,943	$ (198)	$ 532,989	533,187	$ (104,578)	$ (104,578)	$ 203	203	$ (198)	$ 762,845	763,043
Balances (in shares) at Dec. 31, 2019	28,811	28,811						3,405	3,405
Increase (Decrease) in Stockholders' Equity
Net income							71,100							71,100
Other comprehensive income, net of tax											987			987
Issuance of common stock under share-based compensation plans		$ 2		(2)
Issuance of common stock under share-based compensation plans (in shares)		234
Shares withheld for employee tax remittance on share-based compensation				(2,065)										(2,065)
Share-based compensation expense				10,478										10,478
Purchase of treasury stock									$ (6,595)					(6,595)
Purchase of treasury stock (in shares)									252
Dividends declared on common stock							(8,157)							(8,157)
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							213,521							213,521
Other comprehensive income, net of tax											2,509			2,509
Issuance of common stock under share-based compensation plans		$ 4		(4)
Issuance of common stock under share-based compensation plans (in shares)		315
Shares withheld for employee tax remittance on share-based compensation				(10,743)										(10,743)
Share-based compensation expense				11,426										11,426
Purchase of treasury stock									$ (83,100)					(83,100)
Purchase of treasury stock (in shares)									836
Forward contract for accelerated share repurchase				(25,000)										(25,000)
Dividends declared on common stock							(8,139)							(8,139)
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