Goodwill and Other Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 151,937	$ 36,876
Accumulated Amortization	54,574	31,925
Total	97,363	4,951
Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	109,825	32,823
Accumulated Amortization	40,169	31,604
Total	69,656	1,219
Technology [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	16,661	3,610
Accumulated Amortization	7,051	295
Total	9,610	3,315
Backlog [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	13,000
Accumulated Amortization	6,500
Total	6,500
Trademarks [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	12,451	443
Accumulated Amortization	854	26
Total	$ 11,597	$ 417