Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2020	26,776,796
Balance at Dec. 31, 2020	$ 27	$ 284,848	$ 362,901	$ (3,420)	$ 644,356
Common shares issued on exercise of options and other, net of shares withheld for tax obligations (in shares)	48,955
Common shares issued on exercise of options and other, net of shares withheld for tax obligations		(290)			(290)
Stock-based compensation expense		5,620			5,620
Repurchases of common stock (in shares)	0
Net income			3,712		3,712
Other comprehensive loss
Foreign currency translation adjustment				(6,842)	(6,842)
Net unrealized gains (losses) on investments in securities				166	166
Comprehensive income (loss)					(2,964)
Common shares issued on exercise of options and other, net of shares withheld for tax obligations (in shares)	48,955
Common shares issued on exercise of options and other, net of shares withheld for tax obligations		(290)			(290)
Stock-based compensation expense		5,620			5,620
Repurchases of common stock (in shares)	0
Net income			3,712		3,712
Balance (in shares) at Dec. 31, 2020	26,776,796
Balance at Dec. 31, 2020	$ 27	284,848	362,901	(3,420)	644,356
Other comprehensive loss
Common shares issued for Hubs acquisition (in shares)	863,995
Common shares issued for Hubs acquisition	$ 1	166,708	0		166,709
Balance (in shares) at Mar. 31, 2021	27,689,746
Balance at Mar. 31, 2021	$ 28	456,886	366,613	(10,096)	813,431
Balance (in shares) at Dec. 31, 2020	26,776,796
Balance at Dec. 31, 2020	$ 27	284,848	362,901	(3,420)	644,356
Net income					21,462
Other comprehensive loss
Comprehensive income (loss)					11,424
Net income					21,462
Balance (in shares) at Dec. 31, 2020	26,776,796
Balance at Dec. 31, 2020	$ 27	284,848	362,901	(3,420)	644,356
Balance (in shares) at Sep. 30, 2021	27,603,649
Balance at Sep. 30, 2021	$ 28	464,900	373,151	(13,458)	824,621
Balance (in shares) at Mar. 31, 2021	27,689,746
Balance at Mar. 31, 2021	$ 28	456,886	366,613	(10,096)	813,431
Common shares issued on exercise of options and other, net of shares withheld for tax obligations (in shares)	85,317
Common shares issued on exercise of options and other, net of shares withheld for tax obligations	$ 0	(81)	0	0	(81)
Stock-based compensation expense	$ 0	4,941	0	0	4,941
Repurchases of common stock (in shares)	(14,000)
Net income	$ 0	0	12,915	0	12,915
Other comprehensive loss
Foreign currency translation adjustment	0	0	0	2,030	2,030
Net unrealized gains (losses) on investments in securities	0	0	0	(49)	(49)
Comprehensive income (loss)					14,896
Common shares issued on exercise of options and other, net of shares withheld for tax obligations (in shares)	85,317
Common shares issued on exercise of options and other, net of shares withheld for tax obligations	$ 0	(81)	0	0	(81)
Stock-based compensation expense	$ 0	4,941	0	0	4,941
Repurchases of common stock (in shares)	(14,000)
Repurchases of common stock	$ 0	(149)	(1,061)	0	(1,210)
Net income	$ 0	0	12,915	0	12,915
Balance (in shares) at Mar. 31, 2021	27,689,746
Balance at Mar. 31, 2021	$ 28	456,886	366,613	(10,096)	813,431
Balance (in shares) at Jun. 30, 2021	27,761,063
Balance at Jun. 30, 2021	$ 28	461,597	378,467	(8,115)	831,977
Common shares issued on exercise of options and other, net of shares withheld for tax obligations	0	0	0	0	0
Stock-based compensation expense	$ 0	4,978	0	0	4,978
Repurchases of common stock (in shares)	(157,414)
Net income	$ 0	0	4,835	0	4,835
Other comprehensive loss
Foreign currency translation adjustment	0	0	0	(5,298)	(5,298)
Net unrealized gains (losses) on investments in securities	0	0	0	(45)	(45)
Comprehensive income (loss)					(508)
Common shares issued on exercise of options and other, net of shares withheld for tax obligations	0	0	0	0	0
Stock-based compensation expense	$ 0	4,978	0	0	4,978
Repurchases of common stock (in shares)	(157,414)
Repurchases of common stock	$ 0	(1,675)	(10,151)	0	(11,826)
Net income	$ 0	0	4,835	0	4,835
Balance (in shares) at Jun. 30, 2021	27,761,063
Balance at Jun. 30, 2021	$ 28	461,597	378,467	(8,115)	831,977
Balance (in shares) at Sep. 30, 2021	27,603,649
Balance at Sep. 30, 2021	$ 28	464,900	373,151	(13,458)	$ 824,621
Balance (in shares) at Dec. 31, 2021	27,465,945				27,465,945
Balance at Dec. 31, 2021	$ 28	468,548	376,734	(16,817)	$ 828,493
Common shares issued on exercise of options and other, net of shares withheld for tax obligations (in shares)	27,716
Common shares issued on exercise of options and other, net of shares withheld for tax obligations		(462)			(462)
Stock-based compensation expense		4,397			4,397
Repurchases of common stock (in shares)	0
Net income			5,095		5,095
Other comprehensive loss
Foreign currency translation adjustment				(4,972)	(4,972)
Net unrealized gains (losses) on investments in securities				(516)	(516)
Comprehensive income (loss)					(393)
Common shares issued on exercise of options and other, net of shares withheld for tax obligations (in shares)	27,716
Common shares issued on exercise of options and other, net of shares withheld for tax obligations		(462)			(462)
Stock-based compensation expense		4,397			4,397
Repurchases of common stock (in shares)	0
Net income			5,095		$ 5,095
Balance (in shares) at Dec. 31, 2021	27,465,945				27,465,945
Balance at Dec. 31, 2021	$ 28	468,548	376,734	(16,817)	$ 828,493
Balance (in shares) at Mar. 31, 2022	27,493,661
Balance at Mar. 31, 2022	$ 28	472,483	381,829	(22,305)	$ 832,035
Balance (in shares) at Dec. 31, 2021	27,465,945				27,465,945
Balance at Dec. 31, 2021	$ 28	468,548	376,734	(16,817)	$ 828,493
Net income					11,603
Other comprehensive loss
Comprehensive income (loss)					(18,604)
Net income					$ 11,603
Balance (in shares) at Dec. 31, 2021	27,465,945				27,465,945
Balance at Dec. 31, 2021	$ 28	468,548	376,734	(16,817)	$ 828,493
Balance (in shares) at Sep. 30, 2022	27,326,750				27,326,750
Balance at Sep. 30, 2022	$ 28	477,107	380,735	(47,024)	$ 810,846
Balance (in shares) at Mar. 31, 2022	27,493,661
Balance at Mar. 31, 2022	$ 28	472,483	381,829	(22,305)	832,035
Common shares issued on exercise of options and other, net of shares withheld for tax obligations (in shares)	122,705
Common shares issued on exercise of options and other, net of shares withheld for tax obligations	$ 0	1,158	0	0	1,158
Stock-based compensation expense	$ 0	4,031	0	0	4,031
Repurchases of common stock (in shares)	(113,266)
Net income	$ 0	0	2,557	0	2,557
Other comprehensive loss
Foreign currency translation adjustment	0	0	0	(13,515)	(13,515)
Net unrealized gains (losses) on investments in securities	0	0	0	(329)	(329)
Comprehensive income (loss)					(11,287)
Common shares issued on exercise of options and other, net of shares withheld for tax obligations (in shares)	122,705
Common shares issued on exercise of options and other, net of shares withheld for tax obligations	$ 0	1,158	0	0	1,158
Stock-based compensation expense	$ 0	4,031	0	0	4,031
Repurchases of common stock (in shares)	(113,266)
Repurchases of common stock	$ 0	(1,932)	(3,307)	0	(5,239)
Net income	$ 0	0	2,557	0	2,557
Balance (in shares) at Mar. 31, 2022	27,493,661
Balance at Mar. 31, 2022	$ 28	472,483	381,829	(22,305)	832,035
Balance (in shares) at Jun. 30, 2022	27,503,100
Balance at Jun. 30, 2022	$ 28	475,740	381,079	(36,149)	820,698
Common shares issued on exercise of options and other, net of shares withheld for tax obligations (in shares)	31,150
Common shares issued on exercise of options and other, net of shares withheld for tax obligations	$ 0	0	0	0	0
Stock-based compensation expense	$ 0	4,907	0	0	4,907
Repurchases of common stock (in shares)	(207,500)
Net income	$ 0		3,951	0	3,951
Other comprehensive loss
Foreign currency translation adjustment	0	0	0	(10,287)	(10,287)
Net unrealized gains (losses) on investments in securities	0	0	0	(588)	(588)
Comprehensive income (loss)					(6,924)
Common shares issued on exercise of options and other, net of shares withheld for tax obligations (in shares)	31,150
Common shares issued on exercise of options and other, net of shares withheld for tax obligations	$ 0	0	0	0	0
Stock-based compensation expense	$ 0	4,907	0	0	4,907
Repurchases of common stock (in shares)	(207,500)
Repurchases of common stock	$ 0	(3,540)	(4,295)	0	(7,835)
Net income	$ 0		3,951	0	3,951
Balance (in shares) at Jun. 30, 2022	27,503,100
Balance at Jun. 30, 2022	$ 28	475,740	381,079	(36,149)	$ 820,698
Balance (in shares) at Sep. 30, 2022	27,326,750				27,326,750
Balance at Sep. 30, 2022	$ 28	$ 477,107	$ 380,735	$ (47,024)	$ 810,846