Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income / (Loss)	Retained Earnings
Beginning balance (in shares) at Dec. 31, 2021		39,209
Beginning balance at Dec. 31, 2021	$ 468,482	$ 392	$ (127,196)	$ 376,537	$ (10,788)	$ 229,537
Beginning balance (in shares) at Dec. 31, 2021			2,792
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity-based compensation	7,826			7,826
Issuance of common stock in connection with employee stock option exercises and RSU vesting (in shares)		261
Issuance of common stock in connection with employee stock option exercises and RSU vesting	0	$ 3		(3)
Repurchase of treasury shares (in shares)			422
Repurchase of treasury shares	(38,269)		$ (38,269)
Common shares withheld for settlement of taxes in connection with equity-based compensation (in shares)		(118)
Common shares withheld for settlement of taxes in connection with equity-based compensation	(10,596)	$ (1)		(10,595)
Cash dividends paid	(8,706)					(8,706)
Other comprehensive income (loss)	(886)				(886)
Net income	26,572					26,572
Ending balance (in shares) at Mar. 31, 2022		39,352
Ending balance at Mar. 31, 2022	$ 444,423	$ 394	$ (165,465)	373,765	(11,674)	247,403
Ending balance (in shares) at Mar. 31, 2022			3,214
Beginning balance (in shares) at Dec. 31, 2022	35,829	39,605
Beginning balance at Dec. 31, 2022	$ 447,482	$ 396	$ (200,008)	391,482	(15,439)	271,051
Beginning balance (in shares) at Dec. 31, 2022	3,776		3,776
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity-based compensation	$ 8,643			8,643
Issuance of common stock in connection with employee stock option exercises and RSU vesting (in shares)		144
Issuance of common stock in connection with employee stock option exercises and RSU vesting	2	$ 1		1
Common shares withheld for settlement of taxes in connection with equity-based compensation (in shares)		(59)
Common shares withheld for settlement of taxes in connection with equity-based compensation	(4,193)	$ (1)		(4,192)
Cash dividends paid	(9,662)					(9,662)
Other comprehensive income (loss)	1,419				1,419
Net income	$ 32,843					32,843
Ending balance (in shares) at Mar. 31, 2023	35,914	39,690
Ending balance at Mar. 31, 2023	$ 476,534	$ 396	$ (200,008)	$ 395,934	$ (14,020)	$ 294,232
Ending balance (in shares) at Mar. 31, 2023	3,776		3,776