Operating Segment and Enterprise Wide Reporting - Schedule of Revenues by Geographic Destination, Based on Location Products and Services and as a Percentage of Total Revenues (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	$ 480,779	$ 537,787	$ 494,315
Revenues by geographical area percentage	100.00%	100.00%	100.00%
United States [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	$ 373,483	$ 426,041	$ 381,662
Revenues by geographical area percentage	78.00%	79.00%	77.00%
Europe (Excluding United Kingdom) [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	$ 37,912	$ 36,664	$ 41,264
Revenues by geographical area percentage	8.00%	7.00%	9.00%
United Kingdom [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	$ 21,311	$ 20,079	$ 21,913
Revenues by geographical area percentage	4.00%	4.00%	5.00%
Canada [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	$ 16,416	$ 20,759	$ 17,213
Revenues by geographical area percentage	3.00%	4.00%	3.00%
Asia Pacific [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	$ 23,604	$ 26,548	$ 26,768
Revenues by geographical area percentage	5.00%	5.00%	5.00%
Other [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	$ 8,053	$ 7,696	$ 5,495
Revenues by geographical area percentage	2.00%	1.00%	1.00%