Condensed Consolidated Statements of Changes in Stockholder's Equity - USD ($) $ in Thousands	Total	Common Stock	Additional  Paid-in Capital	Accumulated Other Comprehensive Earnings (Loss)	Retained Earnings
Balance (in shares) at Dec. 31, 2022		54,253,796
Balance at Dec. 31, 2022	$ 886,204	$ 54	$ 408,115	$ (3,210)	$ 481,245
Increase (Decrease) in Stockholders' Equity
Share-based compensation expense related to employee stock purchase plan and share-based awards	6,306		6,306
Issuance of common stock related to employee stock purchase plan and share-based awards, net of taxes withheld (in shares)		216,826
Issuance of common stock related to employee stock purchase plan and share-based awards, net of taxes withheld	1,811		1,811
Net earnings	16,948				16,948
Unrealized gain on marketable securities, net of tax	881			881
Balance (in shares) at Mar. 31, 2023		54,470,622
Balance at Mar. 31, 2023	$ 912,150	$ 54	416,232	(2,329)	498,193
Balance (in shares) at Dec. 31, 2023	54,723,356	54,723,356
Balance at Dec. 31, 2023	$ 921,516	$ 55	439,493	(593)	482,561
Increase (Decrease) in Stockholders' Equity
Share-based compensation expense related to employee stock purchase plan and share-based awards	5,897		5,897
Issuance of common stock related to employee stock purchase plan and share-based awards, net of taxes withheld (in shares)		241,960
Issuance of common stock related to employee stock purchase plan and share-based awards, net of taxes withheld	1,570		1,570
Net earnings	124				124
Unrealized gain on marketable securities, net of tax	$ 59			59
Balance (in shares) at Mar. 31, 2024	54,723,356	54,965,316
Balance at Mar. 31, 2024	$ 929,166	$ 55	$ 446,960	$ (534)	$ 482,685