Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Common Stock	Additional Paid-in Capital
Beginning balance at Dec. 31, 2023	$ 1,053,984	$ 897,488	$ 8,691	$ 2,152	$ 145,653
Beginning balance (in shares) at Dec. 31, 2023				32,254,728
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	28,986	28,986
Other comprehensive gain (loss)	(12,563)		(12,563)
Repurchases of common stock	(5,254)			$ (2)	(5,252)
Repurchases of common stock (in shares)				(36,122)
Shares and options issued under stock plans	13,638			$ 13	13,625
Shares and options issued under stock plans (in shares)				204,794
Ending balance at Mar. 31, 2024	1,078,791	926,474	(3,872)	$ 2,163	154,026
Ending balance (in shares) at Mar. 31, 2024				32,423,400
Beginning balance at Dec. 31, 2023	1,053,984	897,488	8,691	$ 2,152	145,653
Beginning balance (in shares) at Dec. 31, 2023				32,254,728
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	94,892
Other comprehensive gain (loss)	5,812
Ending balance at Sep. 30, 2024	1,177,226	992,380	14,503	$ 2,169	168,174
Ending balance (in shares) at Sep. 30, 2024				32,507,716
Beginning balance at Mar. 31, 2024	1,078,791	926,474	(3,872)	$ 2,163	154,026
Beginning balance (in shares) at Mar. 31, 2024				32,423,400
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	32,069	32,069
Other comprehensive gain (loss)	(3,262)		(3,262)
Repurchases of common stock	(11)				(11)
Repurchases of common stock (in shares)				(72)
Shares and options issued under stock plans	4,777			$ 1	4,776
Shares and options issued under stock plans (in shares)				11,530
Ending balance at Jun. 30, 2024	1,112,364	958,543	(7,134)	$ 2,164	158,791
Ending balance (in shares) at Jun. 30, 2024				32,434,858
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	33,837	33,837
Other comprehensive gain (loss)	21,637		21,637
Repurchases of common stock	(165)				(165)
Repurchases of common stock (in shares)				(915)
Shares and options issued under stock plans	9,553			$ 5	9,548
Shares and options issued under stock plans (in shares)				73,773
Ending balance at Sep. 30, 2024	1,177,226	992,380	14,503	$ 2,169	168,174
Ending balance (in shares) at Sep. 30, 2024				32,507,716
Beginning balance at Dec. 31, 2024	$ 1,149,913	997,493	(23,747)	$ 2,170	173,997
Beginning balance (in shares) at Dec. 31, 2024	32,527,244			32,527,244
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 37,053	37,053
Other comprehensive gain (loss)	21,484		21,484
Repurchases of common stock	(5,325)			$ (2)	(5,323)
Repurchases of common stock (in shares)				(32,869)
Shares and options issued under stock plans	5,576			$ 7	5,569
Shares and options issued under stock plans (in shares)				117,169
Ending balance at Mar. 31, 2025	1,208,701	1,034,546	(2,263)	$ 2,175	174,243
Ending balance (in shares) at Mar. 31, 2025				32,611,544
Beginning balance at Dec. 31, 2024	$ 1,149,913	997,493	(23,747)	$ 2,170	173,997
Beginning balance (in shares) at Dec. 31, 2024	32,527,244			32,527,244
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 115,620
Other comprehensive gain (loss)	65,343
Ending balance at Sep. 30, 2025	$ 1,297,864	1,113,113	41,596	$ 2,160	140,995
Ending balance (in shares) at Sep. 30, 2025	32,376,314			32,376,314
Beginning balance at Mar. 31, 2025	$ 1,208,701	1,034,546	(2,263)	$ 2,175	174,243
Beginning balance (in shares) at Mar. 31, 2025				32,611,544
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	38,278	38,278
Other comprehensive gain (loss)	43,775		43,775
Repurchases of common stock	(33,348)			$ (13)	(33,335)
Repurchases of common stock (in shares)				(204,965)
Shares and options issued under stock plans	10,507			$ 3	10,504
Shares and options issued under stock plans (in shares)				48,975
Ending balance at Jun. 30, 2025	1,267,913	1,072,824	41,512	$ 2,165	151,412
Ending balance (in shares) at Jun. 30, 2025				32,455,554
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	40,289	40,289
Other comprehensive gain (loss)	84		84
Repurchases of common stock	(15,624)			$ (6)	(15,618)
Repurchases of common stock (in shares)				(95,760)
Shares and options issued under stock plans	5,202			$ 1	5,201
Shares and options issued under stock plans (in shares)				16,520
Ending balance at Sep. 30, 2025	$ 1,297,864	$ 1,113,113	$ 41,596	$ 2,160	$ 140,995
Ending balance (in shares) at Sep. 30, 2025	32,376,314			32,376,314