Intangible Assets - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Acquired Finite-Lived Intangible Assets [Line Items]
Total amortization	$ 5,367,000	$ 6,016,000	$ 10,764,000	$ 12,061,000
Useful life (in years)			11 years
Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Total amortization	1,698,000	1,729,000	$ 3,410,000	3,467,000
Useful life (in years)			14 years
Customer related
Acquired Finite-Lived Intangible Assets [Line Items]
Total amortization	2,123,000	2,167,000	$ 4,264,000	4,350,000
Useful life (in years)			10 years
Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Total amortization	1,467,000	1,491,000	$ 2,933,000	2,989,000
Useful life (in years)			7 years
Internally developed software
Acquired Finite-Lived Intangible Assets [Line Items]
Total amortization	69,000	506,000	$ 137,000	1,010,000
Useful life (in years)			6 years
Costs incurred for development of internal use computer software	11,100,000		$ 11,100,000
Costs incurred for development of software to be sold	2,200,000		2,200,000
Patents
Acquired Finite-Lived Intangible Assets [Line Items]
Total amortization	0	20,000	$ 0	40,000
Useful life (in years)			13 years
Service agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Total amortization	10,000	$ 103,000	$ 20,000	205,000
Useful life (in years)			2 years
General and administrative | Internally developed software
Acquired Finite-Lived Intangible Assets [Line Items]
Total amortization	$ 24,000.0			$ 48,000.0