Accumulated Other Comprehensive Loss ("AOCL") - Schedule of Components of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		$ 210,099	$ 201,502	$ 203,907	$ 185,766
Foreign currency translation		(4,971)	(1,508)	(10,813)	(3,086)
Reclassification to income, net of tax		(54)	(4)	(147)	(4)
Ending Balance		213,889	201,152	213,889	201,152
Marketable Investments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		(118)	0	(25)	0
Foreign currency translation	[1]	0	0	0	0
Unrealized gain before reclassification, net of tax		(54)	(4)	(147)	(4)
Reclassification to income, net of tax	[2]	0	0	0	0
Ending Balance		(172)	(4)	(172)	(4)
Interest Rate Swap [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		52	(492)	(212)	(821)
Foreign currency translation	[1]	0	0	0	0
Unrealized gain before reclassification, net of tax		13	(3)	136	(7)
Reclassification to income, net of tax	[2]	18	131	123	464
Ending Balance		47	(364)	47	(364)
Translation Adjustment [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		(8,794)	(1,447)	(2,952)	131
Foreign currency translation	[1]	(4,971)	(1,508)	(10,813)	(3,086)
Unrealized gain before reclassification, net of tax		0	0	0	0
Reclassification to income, net of tax	[2]	0	0	0	0
Ending Balance		(13,765)	(2,955)	(13,765)	(2,955)
Total AOCI/L [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		(8,860)	(1,939)	(3,189)	(690)
Foreign currency translation	[1]	(4,971)	(1,508)	(10,813)	(3,086)
Unrealized gain before reclassification, net of tax		41	(7)	(11)	(11)
Reclassification to income, net of tax	[2]	18	131	123	464
Ending Balance		$ (13,890)	$ (3,323)	$ (13,890)	$ (3,323)

[1] The Company does not record tax provisions or benefits for the net changes in foreign currency translation adjustments as it intends to permanently reinvest undistributed earnings of its foreign subsidiaries.

[2] Reclassification is related to the Company’s interest rate swap (cash flow hedge) and was recorded in interest expense on the Consolidated Statements of Income. Refer to Note 7 – Derivatives and Hedging.