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, 2022	$ 938,284	$ 814,487	$ (7,154)	$ 2,145	$ 128,806
Beginning balance (in shares) at Dec. 31, 2022				32,152,787
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	22,710	22,710
Other comprehensive income (loss)	9,013		9,013
Repurchases of common stock, including excise tax	(3,887)			$ (2)	(3,885)
Repurchases of common stock, including excise tax (in shares)				(28,109)
Shares and options issued under stock plans	7,296			$ 7	7,289
Shares and options issued under stock plans (in shares)				100,949
Ending balance at Mar. 31, 2023	973,416	837,197	1,859	$ 2,150	132,210
Ending balance (in shares) at Mar. 31, 2023				32,225,627
Beginning balance at Dec. 31, 2022	938,284	814,487	(7,154)	$ 2,145	128,806
Beginning balance (in shares) at Dec. 31, 2022				32,152,787
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	81,895
Other comprehensive income (loss)	(7,078)
Ending balance at Sep. 30, 2023	1,025,267	896,382	(14,232)	$ 2,151	140,966
Ending balance (in shares) at Sep. 30, 2023				32,240,144
Beginning balance at Mar. 31, 2023	973,416	837,197	1,859	$ 2,150	132,210
Beginning balance (in shares) at Mar. 31, 2023				32,225,627
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	30,110	30,110
Other comprehensive income (loss)	(1,668)		(1,668)
Repurchases of common stock, including excise tax	(76)				(76)
Repurchases of common stock, including excise tax (in shares)				(567)
Shares and options issued under stock plans	5,121			$ 1	5,120
Shares and options issued under stock plans (in shares)				14,142
Ending balance at Jun. 30, 2023	1,006,903	867,307	191	$ 2,151	137,254
Ending balance (in shares) at Jun. 30, 2023				32,239,202
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	29,075	29,075
Other comprehensive income (loss)	(14,423)		(14,423)
Repurchases of common stock, including excise tax	(102)				(102)
Repurchases of common stock, including excise tax (in shares)				(775)
Shares and options issued under stock plans	3,814				3,814
Shares and options issued under stock plans (in shares)				1,717
Ending balance at Sep. 30, 2023	1,025,267	896,382	(14,232)	$ 2,151	140,966
Ending balance (in shares) at Sep. 30, 2023				32,240,144
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			32,254,728
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 28,986	28,986
Other comprehensive income (loss)	(12,563)		(12,563)
Repurchases of common stock, including excise tax	(5,254)			$ (2)	(5,252)
Repurchases of common stock, including excise tax (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			32,254,728
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 94,892
Other comprehensive income (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			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 income (loss)	(3,262)		(3,262)
Repurchases of common stock, including excise tax	(11)				(11)
Repurchases of common stock, including excise tax (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 income (loss)	21,637		21,637
Repurchases of common stock, including excise tax	(165)				(165)
Repurchases of common stock, including excise tax (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			32,507,716