Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Deficit / Retained Earnings	Accumulated Other Comprehensive (Loss)	Total
Balance at Dec. 31, 2023	$ 33	$ 547,189	$ 319,506	$ (1,846)	$ 864,882
Balance (in shares) at Dec. 31, 2023	32,685
Increase (Decrease) in Stockholders' Equity
Net income			51,595		51,595
Foreign currency translation adjustments				(1,731)	(1,731)
Change in pension obligation				5	5
Issuance of common stock on restricted stock units, net of shares withheld		(2,699)			(2,699)
Issuance of common stock on restricted stock units, net of shares withheld (in shares)	42
Stock-based compensation expense		4,690			4,690
Repurchase of common stock		(2,201)	(12,798)		(14,999)
Repurchase of common stock (in shares)	(122)
Balance at Mar. 31, 2024	$ 33	546,979	358,303	(3,572)	901,743
Balance (in shares) at Mar. 31, 2024	32,605
Balance at Dec. 31, 2024	$ 32	548,654	470,318	(6,214)	1,012,790
Balance (in shares) at Dec. 31, 2024	32,365
Increase (Decrease) in Stockholders' Equity
Net income			28,579		28,579
Foreign currency translation adjustments				646	646
Unrealized gains on available-for-sale investments				81	81
Issuance of common stock on restricted stock units, net of shares withheld		(1,583)			(1,583)
Issuance of common stock on restricted stock units, net of shares withheld (in shares)	38
Stock-based compensation expense		4,903			4,903
Repurchase of common stock		(4,954)	(13,224)		(18,178)
Repurchase of common stock (in shares)	(274)
Balance at Mar. 31, 2025	$ 32	$ 547,020	$ 485,673	$ (5,487)	$ 1,027,238
Balance (in shares) at Mar. 31, 2025	32,129