Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2023		25,721,957
Beginning balance at Dec. 31, 2023	$ 695,295	$ 26	$ 466,884	$ 256,398	$ (28,013)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common shares issued on exercise of options and other, net of shares withheld for tax obligations (in shares)		29,974
Common shares issued on exercise of options and other, net of shares withheld for tax obligations	(533)		(533)
Stock-based compensation expense	4,276		4,276
Repurchases of common stock (in shares)		(435,861)
Repurchases of common stock	(16,164)		(7,912)	(8,252)
Net income	5,268			5,268
Other comprehensive income
Foreign currency translation adjustment	(925)				(925)
Net unrealized gains on investments in securities	93				93
Comprehensive income	4,436
Ending balance (in shares) at Mar. 31, 2024		25,316,070
Ending balance at Mar. 31, 2024	687,310	$ 26	462,715	253,414	(28,845)
Beginning balance (in shares) at Dec. 31, 2023		25,721,957
Beginning balance at Dec. 31, 2023	695,295	$ 26	466,884	256,398	(28,013)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	16,997
Other comprehensive income
Comprehensive income	18,158
Ending balance (in shares) at Sep. 30, 2024		24,510,076
Ending balance at Sep. 30, 2024	679,993	$ 25	454,025	252,795	(26,852)
Beginning balance (in shares) at Mar. 31, 2024		25,316,070
Beginning balance at Mar. 31, 2024	687,310	$ 26	462,715	253,414	(28,845)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common shares issued on exercise of options and other, net of shares withheld for tax obligations (in shares)		176,780
Common shares issued on exercise of options and other, net of shares withheld for tax obligations	707		707
Stock-based compensation expense	4,244		4,244
Repurchases of common stock (in shares)		(345,234)
Repurchases of common stock	(10,978)		(6,266)	(4,712)
Net income	4,540			4,540
Other comprehensive income
Foreign currency translation adjustment	(678)				(678)
Net unrealized gains on investments in securities	91				91
Comprehensive income	3,953
Ending balance (in shares) at Jun. 30, 2024		25,147,616
Ending balance at Jun. 30, 2024	685,236	$ 26	461,400	253,242	(29,432)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	4,196		4,196
Repurchases of common stock (in shares)		(637,540)
Repurchases of common stock	(19,208)	$ (1)	(11,571)	(7,636)
Net income	7,189			7,189
Other comprehensive income
Foreign currency translation adjustment	2,430				2,430
Net unrealized gains on investments in securities	150				150
Comprehensive income	9,769
Ending balance (in shares) at Sep. 30, 2024		24,510,076
Ending balance at Sep. 30, 2024	$ 679,993	$ 25	454,025	252,795	(26,852)
Beginning balance (in shares) at Dec. 31, 2024	24,226,088	24,226,088
Beginning balance at Dec. 31, 2024	$ 670,151	$ 24	453,705	244,406	(27,984)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common shares issued on exercise of options and other, net of shares withheld for tax obligations (in shares)		58,291
Common shares issued on exercise of options and other, net of shares withheld for tax obligations	(961)		(961)
Stock-based compensation expense	3,992		3,992
Repurchases of common stock (in shares)		(513,739)
Repurchases of common stock	(21,073)	$ (1)	(9,621)	(11,451)
Net income	3,599			3,599
Other comprehensive income
Foreign currency translation adjustment	1,003				1,003
Net unrealized gains on investments in securities	90				90
Comprehensive income	4,692
Ending balance (in shares) at Mar. 31, 2025		23,770,640
Ending balance at Mar. 31, 2025	$ 656,801	$ 23	447,115	236,554	(26,891)
Beginning balance (in shares) at Dec. 31, 2024	24,226,088	24,226,088
Beginning balance at Dec. 31, 2024	$ 670,151	$ 24	453,705	244,406	(27,984)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	15,242
Other comprehensive income
Comprehensive income	$ 18,502
Ending balance (in shares) at Sep. 30, 2025	23,677,746	23,677,746
Ending balance at Sep. 30, 2025	$ 664,719	$ 23	450,852	238,568	(24,724)
Beginning balance (in shares) at Mar. 31, 2025		23,770,640
Beginning balance at Mar. 31, 2025	656,801	$ 23	447,115	236,554	(26,891)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common shares issued on exercise of options and other, net of shares withheld for tax obligations (in shares)		179,393
Common shares issued on exercise of options and other, net of shares withheld for tax obligations	(58)		(58)
Stock-based compensation expense	4,259		4,259
Repurchases of common stock (in shares)		(75,432)
Repurchases of common stock	(3,050)		(1,413)	(1,637)
Net income	4,427			4,427
Other comprehensive income
Foreign currency translation adjustment	2,300				2,300
Net unrealized gains on investments in securities	28				28
Comprehensive income	6,755
Ending balance (in shares) at Jun. 30, 2025		23,874,601
Ending balance at Jun. 30, 2025	664,707	$ 23	449,903	239,344	(24,563)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common shares issued on exercise of options and other, net of shares withheld for tax obligations (in shares)		61,599
Common shares issued on exercise of options and other, net of shares withheld for tax obligations	2,112		2,112
Stock-based compensation expense	3,677		3,677
Repurchases of common stock (in shares)		(258,454)
Repurchases of common stock	(12,832)		(4,840)	(7,992)
Net income	7,216			7,216
Other comprehensive income
Foreign currency translation adjustment	(227)				(227)
Net unrealized gains on investments in securities	66				66
Comprehensive income	$ 7,055
Ending balance (in shares) at Sep. 30, 2025	23,677,746	23,677,746
Ending balance at Sep. 30, 2025	$ 664,719	$ 23	$ 450,852	$ 238,568	$ (24,724)