Goodwill and Intangible Assets - Estimated Useful Lives (Details)	9 Months Ended
	Sep. 30, 2020
Customer relationships | Minimum
Intangible Assets [Abstract]
Estimated useful lives (in years)	5 years
Customer relationships | Maximum
Intangible Assets [Abstract]
Estimated useful lives (in years)	10 years
Non-compete agreements | Minimum
Intangible Assets [Abstract]
Estimated useful lives (in years)	4 years
Non-compete agreements | Maximum
Intangible Assets [Abstract]
Estimated useful lives (in years)	5 years
Customer backlog
Intangible Assets [Abstract]
Estimated useful lives (in years)	1 year
Trade name
Intangible Assets [Abstract]
Estimated useful lives (in years)	1 year
Developed software | Minimum
Intangible Assets [Abstract]
Estimated useful lives (in years)	1 year
Developed software | Maximum
Intangible Assets [Abstract]
Estimated useful lives (in years)	7 years