CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Treasury Stock, at Cost	Accumulated Other Comprehensive Loss	Retained Earnings
Beginning balance (in shares) at Dec. 31, 2021		59,305,160
Beginning balance at Dec. 31, 2021	$ 1,179,276	$ 59	$ 745,615	$ 0	$ (37,359)	$ 470,961
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	6,096		6,096
Issuance of common stock under the Equity Incentive Plan (in shares)		165,517
Issuance of common stock under the Equity Incentive Plan	8,895	$ 1	8,894
Shares received in net share settlement of stock option exercises and vesting of restricted stock (in shares)		(25,594)
Shares received in net share settlement of stock option exercises and vesting of restricted stock	(3,175)		(3,175)
Purchase of treasury stock	(39,686)			(39,686)
Retirement of treasury stock (in shares)		(311,900)
Retirement of treasury stock	0	$ (1)	(39,685)	39,686
Other comprehensive income (loss)	1,694				1,694
Net income	19,406					19,406
Ending balance (in shares) at Mar. 31, 2022		59,133,183
Ending balance at Mar. 31, 2022	$ 1,172,506	$ 59	717,745	0	(35,665)	490,367
Beginning balance (in shares) at Dec. 31, 2022	57,531,130	57,531,130
Beginning balance at Dec. 31, 2022	$ 1,080,453	$ 58	599,422	0	(70,629)	551,602
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	5,850		5,850
Issuance of common stock under the Equity Incentive Plan (in shares)		169,798
Issuance of common stock under the Equity Incentive Plan	12,558		12,558
Shares received in net share settlement of stock option exercises and vesting of restricted stock (in shares)		(21,252)
Shares received in net share settlement of stock option exercises and vesting of restricted stock	(1,525)		(1,525)
Other comprehensive income (loss)	(2,019)				(2,019)
Net income	$ 8,126					8,126
Ending balance (in shares) at Mar. 31, 2023	57,679,676	57,679,676
Ending balance at Mar. 31, 2023	$ 1,103,443	$ 58	$ 616,305	$ 0	$ (72,648)	$ 559,728