Intangible Assets - Schedule of Gross Amount and Accumulated Amortization of Intangible Assets (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 538,419	$ 537,218
Accumulated Amortization	(340,434)	(291,260)
Net Carrying Amount	197,985	245,958
Backlog
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	147,455	145,855
Accumulated Amortization	(112,066)	(101,038)
Net Carrying Amount	$ 35,389	44,817
Amortization Period (in years)	3 years
Customer Relationships
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 262,830	264,129
Accumulated Amortization	(133,908)	(110,450)
Net Carrying Amount	$ 128,922	153,679
Amortization Period (in years)	8 years
Leases
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 670	670
Accumulated Amortization	(609)	(599)
Net Carrying Amount	$ 61	71
Amortization Period (in years)	5 years
Developed Technology
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 112,939	112,039
Accumulated Amortization	(82,793)	(68,968)
Net Carrying Amount	$ 30,146	43,071
Amortization Period (in years)	4 years
Trade Name
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 8,200	8,200
Accumulated Amortization	(8,167)	(7,967)
Net Carrying Amount	$ 33	233
Amortization Period (in years)	1 year
Non compete Agreements
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 4,250	4,250
Accumulated Amortization	(2,688)	(2,043)
Net Carrying Amount	$ 1,562	2,207
Amortization Period (in years)	3 years
In Process Research and Development
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,800	1,800
Accumulated Amortization		0
Net Carrying Amount	1,800	1,800
Other Intangibles
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	275	275
Accumulated Amortization	(203)	(195)
Net Carrying Amount	$ 72	$ 80
Amortization Period (in years)	10 years