Goodwill and Other Intangible Assets - Summary of Carrying Values of Finite-Lived Intangible Assets (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 151,866	$ 151,937
Accumulated Amortization	63,872	54,574
Total	87,994	97,363
Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	109,688	109,825
Accumulated Amortization	44,303	40,169
Total	65,385	69,656
Technology [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	16,719	16,661
Accumulated Amortization	8,550	7,051
Total	8,169	9,610
Backlog [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	13,000	13,000
Accumulated Amortization	9,750	6,500
Total	3,250	6,500
Trademarks [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	12,459	12,451
Accumulated Amortization	1,269	854
Total	$ 11,190	$ 11,597