Stockholders' Equity - Schedule of Changes in Stockholders' Equity (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Balance	$ 819,417	$ 771,511	$ 803,470	$ 746,961
Net income	19,105	20,390	55,364	59,053
Other comprehensive (loss) income, net of tax	(1,555)	(1,971)	(3,107)	1,241
Equity compensation	3,516	3,593	10,023	9,756
Exercise of stock options	218		412	158
Issuance of shares pursuant to employee stock purchase plan and vesting of restricted stock units	4		1,543
Payments for stock buybacks	(330)	(330)	(22,096)	(18,695)
Dividends declared	(2,636)	(2,641)	(7,870)	(7,922)
Balance	$ 837,739	$ 790,552	$ 837,739	$ 790,552
Common Stock
Balance (in shares)	18,818	18,860	18,876	18,910
Balance	$ 23	$ 23	$ 23	$ 23
Exercise of stock options (in shares)	5		13	6
Issuance of shares pursuant to vesting of restricted stock units (in shares)	14	13	176	186
Payments for buybacks (in shares)	(3)	(3)	(231)	(232)
Balance (in shares)	18,834	18,870	18,834	18,870
Balance	$ 23	$ 23	$ 23	$ 23
Additional Paid-in Capital
Balance	393,224	376,622	384,984	369,058
Equity compensation	3,516	3,593	10,023	9,756
Exercise of stock options	218		412	158
Issuance of shares pursuant to employee stock purchase plan and vesting of restricted stock units	4		1,543
Payments for stock buybacks				1,243
Balance	396,962	380,215	396,962	380,215
Retained Earnings
Balance	680,323	622,113	649,298	588,731
Net income	19,105	20,390	55,364	59,053
Dividends declared	(2,636)	(2,641)	(7,870)	(7,922)
Balance	$ 696,792	$ 639,862	$ 696,792	$ 639,862
Treasury Stock
Balance (in shares)	4,887	4,624	4,659	4,395
Balance	$ (241,566)	$ (216,353)	$ (219,800)	$ (196,745)
Payments for buybacks (in shares)	3	3	231	232
Payments for stock buybacks	$ (330)	$ (330)	$ (22,096)	$ (19,938)
Balance (in shares)	4,890	4,627	4,890	4,627
Balance	$ (241,896)	$ (216,683)	$ (241,896)	$ (216,683)
Accumulated Other Comprehensive Loss
Balance	(12,587)	(10,894)	(11,035)	(14,106)
Other comprehensive (loss) income, net of tax	(1,555)	(1,971)	(3,107)	1,241
Balance	$ (14,142)	$ (12,865)	$ (14,142)	$ (12,865)