Business Combinations - Summary of Business Acquisitions (Detail) - USD ($) $ in Thousands							12 Months Ended
	Dec. 19, 2022	Apr. 11, 2022	Dec. 12, 2021	Sep. 13, 2021	Mar. 01, 2021	Oct. 13, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Cash Paid							$ 114,059	$ 243,015	$ 76,446
Seller Obligations							26,978	27,891	14,086
Total Purchase Price							141,037	270,906	90,532
Revenue							61,056	82,431	40,494
Net Income (Loss)							(311)	2,639	1,892
CAS
Business Acquisition [Line Items]
Cash Paid		$ 55,150					55,150
Seller Obligations		22,927					22,927
Total Purchase Price		78,077
Revenue		37,822
Net Income (Loss)		$ (1,001)
ABS
Business Acquisition [Line Items]
Cash Paid	$ 23,150						23,150
Seller Obligations	412						412
Total Purchase Price	23,562
Revenue	658
Net Income (Loss)	$ (97)
IWI
Business Acquisition [Line Items]
Cash Paid					$ 42,098			42,098
Seller Obligations					5,959			5,959
Total Purchase Price					48,057
Revenue					36,259
Net Income (Loss)					$ 3,373
Five Star
Business Acquisition [Line Items]
Cash Paid				$ 26,308				26,308
Seller Obligations				5,466				5,466
Total Purchase Price				31,774
Revenue				6,861
Net Income (Loss)				$ (119)
AMD
Business Acquisition [Line Items]
Cash Paid			$ 119,490					119,490
Seller Obligations			6,631					6,631
Total Purchase Price			126,121
Revenue			3,707
Net Income (Loss)			$ (225)
ICON
Business Acquisition [Line Items]
Cash Paid						$ 16,900			16,900
Seller Obligations						3,598			3,598
Total Purchase Price						20,498
Revenue						4,798
Net Income (Loss)						$ 449
Other
Business Acquisition [Line Items]
Cash Paid							35,759	55,119	59,546
Seller Obligations							3,639	9,835	10,488
Total Purchase Price							39,398	64,954	70,034
Revenue							22,576	35,604	35,696
Net Income (Loss)							$ 787	$ (390)	$ 1,443