Business Combinations - Intangible Assets Acquired By Class (Details) - USD ($)	Dec. 21, 2020	Dec. 02, 2020	Oct. 23, 2020	Jun. 19, 2020
NuWave
Business Acquisition [Line Items]
Intangible assets acquired				$ 16,200,000
NuWave | Technology
Business Acquisition [Line Items]
Intangible assets acquired				5,400,000
NuWave | Customer relationships
Business Acquisition [Line Items]
Intangible assets acquired				$ 10,800,000
PCI Acquisition | Customer relationships
Business Acquisition [Line Items]
Intangible assets acquired			$ 22,800,000
Open Solutions Acquisition
Business Acquisition [Line Items]
Intangible assets acquired		$ 30,800,000
Open Solutions Acquisition | Technology
Business Acquisition [Line Items]
Intangible assets acquired		10,300,000
Open Solutions Acquisition | Customer relationships
Business Acquisition [Line Items]
Intangible assets acquired		$ 20,500,000
ProModel Acquisition
Business Acquisition [Line Items]
Intangible assets acquired	$ 21,700
ProModel Acquisition | Technology
Business Acquisition [Line Items]
Intangible assets acquired	7,000
ProModel Acquisition | Customer relationships
Business Acquisition [Line Items]
Intangible assets acquired	$ 14,700