Condensed Consolidated Statements of Changes In Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2020		29,727,214
Beginning balance at Dec. 31, 2020	$ 925,114	$ 530,835	$ 381,999	$ 12,280
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	89,433		89,433
Other comprehensive income (loss)	(8,553)			(8,553)
Stock options exercised (in shares)		5,675
Stock options exercised	86	$ 86
RSU vesting	1,242	1,242
PSU vesting	658	$ 658
RSUs released (in shares)		45,401
PSUs released (in shares)		19,272
Repurchase of common stock (in shares)		(82,953)
Repurchase of common stock	(3,675)	$ (1,482)	(2,193)
Dividends paid	(22,291)		(22,291)
Ending balance (in shares) at Sep. 30, 2021		29,714,609
Ending balance at Sep. 30, 2021	982,014	$ 531,339	446,948	3,727
Beginning balance (in shares) at Jun. 30, 2021		29,716,294
Beginning balance at Jun. 30, 2021	966,780	$ 531,038	427,575	8,167
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	27,422		27,422
Other comprehensive income (loss)	(4,440)			(4,440)
Stock options exercised (in shares)		4,000
Stock options exercised	58	$ 58
RSU vesting	485	485
PSU vesting	252	$ 252
RSUs released (in shares)		2,689
PSUs released (in shares)		19,272
Repurchase of common stock (in shares)		(27,646)
Repurchase of common stock	(1,114)	$ (494)	(620)
Dividends paid	(7,429)		(7,429)
Ending balance (in shares) at Sep. 30, 2021		29,714,609
Ending balance at Sep. 30, 2021	$ 982,014	$ 531,339	446,948	3,727
Beginning balance (in shares) at Dec. 31, 2021	29,730,424	29,730,424
Beginning balance at Dec. 31, 2021	$ 1,000,184	$ 532,244	466,959	981
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	89,076		89,076
Other comprehensive income (loss)	$ (223,690)			(223,690)
Stock options exercised (in shares)	59,325	59,325
Stock options exercised	$ 1,112	$ 1,112
RSU vesting	2,025	2,025
PSU vesting	686	$ 686
Issuance of common stock (in shares)		4,105,518
Issuance of common stock	173,585	$ 173,585
RSUs released (in shares)		48,234
PSUs released (in shares)		26,338
Repurchase of common stock (in shares)		(637,650)
Repurchase of common stock	(26,844)	$ (13,304)	(13,540)
Dividends paid	$ (25,796)		(25,796)
Ending balance (in shares) at Sep. 30, 2022	33,332,189	33,332,189
Ending balance at Sep. 30, 2022	$ 990,338	$ 696,348	516,699	(222,709)
Beginning balance (in shares) at Jun. 30, 2022		33,350,974
Beginning balance at Jun. 30, 2022	1,042,177	$ 696,441	491,705	(145,969)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	37,338		37,338
Other comprehensive income (loss)	(76,740)			(76,740)
Stock options exercised (in shares)		44,000
Stock options exercised	856	$ 856
RSU vesting	746	746
PSU vesting	223	$ 223
RSUs released (in shares)		2,752
PSUs released (in shares)		26,338
Repurchase of common stock (in shares)		(91,875)
Repurchase of common stock	(4,258)	$ (1,918)	(2,340)
Dividends paid	$ (10,004)		(10,004)
Ending balance (in shares) at Sep. 30, 2022	33,332,189	33,332,189
Ending balance at Sep. 30, 2022	$ 990,338	$ 696,348	$ 516,699	$ (222,709)