Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Total
Balance (in shares) at Dec. 31, 2022	32,775
Balance at Dec. 31, 2022	$ 33	$ 550,299	$ 118,892	$ (1,968)	$ 667,256
Increase (Decrease) in Stockholders' Equity
Net income			47,697		47,697
Foreign currency translation adjustments				50	50
Exercise of stock options (in shares)	2
Exercise of stock options		25			25
Issuance of common stock on restricted stock units, net of shares withheld (in shares)	56
Issuance of common stock on restricted stock units, net of shares withheld		(3,907)			(3,907)
Stock-based compensation expense		3,199			3,199
Repurchase of common stock (in shares)	(107)
Repurchase of common stock		(1,924)	(10,575)		(12,499)
Balance (in shares) at Mar. 31, 2023	32,726
Balance at Mar. 31, 2023	$ 33	547,692	156,014	(1,918)	701,821
Balance (in shares) at Dec. 31, 2023	32,685
Balance at Dec. 31, 2023	$ 33	547,189	319,506	(1,846)	864,882
Increase (Decrease) in Stockholders' Equity
Net income			51,595		51,595
Foreign currency translation adjustments				(1,731)	(1,731)
Change in pension obligation, net of tax				5	5
Issuance of common stock on restricted stock units, net of shares withheld (in shares)	42
Issuance of common stock on restricted stock units, net of shares withheld		(2,699)			(2,699)
Stock-based compensation expense		4,690			4,690
Repurchase of common stock (in shares)	(122)
Repurchase of common stock		(2,201)	(12,798)		(14,999)
Balance (in shares) at Mar. 31, 2024	32,605
Balance at Mar. 31, 2024	$ 33	$ 546,979	$ 358,303	$ (3,572)	$ 901,743