Goodwill and Other Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 107,901	$ 151,937
Accumulated Amortization	29,906	54,574
Total	77,995	97,363
Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	78,450	109,825
Accumulated Amortization	17,277	40,169
Total	61,173	69,656
Technology [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	16,956	16,661
Accumulated Amortization	10,197	7,051
Total	6,759	9,610
Trademarks [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	12,495	12,451
Accumulated Amortization	2,432	854
Total	$ 10,063	11,597
Backlog [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount		13,000
Accumulated Amortization		6,500
Total		$ 6,500