Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Retained earnings	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2023		69,863
Beginning balance (in shares) at Dec. 31, 2023			1,339
Beginning balance at Dec. 31, 2023	$ 815,892	$ 699	$ (75,000)	$ 757,727	$ 133,503	$ (1,037)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	131,066				131,066
Other comprehensive loss	(141)					(141)
Stock option exercises and employee stock plan purchases (in shares)		86
Stock option exercises and employee stock plan purchases	2,757	$ 1		2,756
Vesting of restricted stock awards and units (in shares)		988
Vesting of restricted stock awards and units	0	$ 9		(9)
Shares withheld to cover taxes (in shares)		(302)
Shares withheld to cover taxes	(19,418)	$ (3)		(19,415)
Stock-based compensation	15,384			15,384
Ending balance (in shares) at Mar. 31, 2024		70,635
Ending balance (in shares) at Mar. 31, 2024			1,339
Ending balance at Mar. 31, 2024	$ 945,540	$ 706	$ (75,000)	756,443	264,569	(1,178)
Beginning balance (in shares) at Dec. 31, 2024	70,905	70,905
Beginning balance (in shares) at Dec. 31, 2024	2,455		2,455
Beginning balance at Dec. 31, 2024	$ 1,088,011	$ 709	$ (175,000)	817,972	445,945	(1,615)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	72,945				72,945
Other comprehensive loss	(143)					(143)
Stock option exercises and employee stock plan purchases (in shares)		107
Stock option exercises and employee stock plan purchases	5,869	$ 1		5,868
Vesting of restricted stock awards and units (in shares)		845
Vesting of restricted stock awards and units	0	$ 8		(8)
Shares withheld to cover taxes (in shares)		(250)
Shares withheld to cover taxes	(23,686)	$ (2)		(23,684)
Stock-based compensation	$ 21,198			21,198
Ending balance (in shares) at Mar. 31, 2025	71,607	71,607
Ending balance (in shares) at Mar. 31, 2025	2,455		2,455
Ending balance at Mar. 31, 2025	$ 1,164,194	$ 716	$ (175,000)	$ 821,346	$ 518,890	$ (1,758)