Business Combinations - Acquired Intangible Assets (Details) - USD ($) $ in Thousands						9 Months Ended
	Jun. 09, 2021	Apr. 27, 2021	Mar. 26, 2021	Jan. 25, 2021	Nov. 20, 2020	Sep. 30, 2021
Acquired Finite-Lived Intangible Assets [Line Items]
Total fair value of identifiable intangible assets						$ 99,964
Definite-lived intangible assets—Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Total fair value of identifiable intangible assets						25,025
Definite-lived intangible assets—Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Total fair value of identifiable intangible assets						$ 23,000
Thrasys
Acquired Finite-Lived Intangible Assets [Line Items]
Total fair value of identifiable intangible assets					$ 27,875
Thrasys | Definite-lived intangible assets—Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Total fair value of identifiable intangible assets					$ 6,925
Useful life					10 years
Thrasys | Definite-lived intangible assets—Technology and intellectual property
Acquired Finite-Lived Intangible Assets [Line Items]
Total fair value of identifiable intangible assets					$ 10,825
Useful life					10 years
Thrasys | Definite-lived intangible assets—Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Total fair value of identifiable intangible assets					$ 10,125
Useful life					10 years
BHS
Acquired Finite-Lived Intangible Assets [Line Items]
Total fair value of identifiable intangible assets					$ 225
BHS | Definite-lived intangible assets—Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Total fair value of identifiable intangible assets					$ 225
Useful life					3 years
TTC
Acquired Finite-Lived Intangible Assets [Line Items]
Total fair value of identifiable intangible assets				$ 1,125
TTC | Definite-lived intangible assets—Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Total fair value of identifiable intangible assets				$ 1,125
Useful life				3 years
Glocal
Acquired Finite-Lived Intangible Assets [Line Items]
Total fair value of identifiable intangible assets			$ 38,039
Glocal | Definite-lived intangible assets—Technology and intellectual property
Acquired Finite-Lived Intangible Assets [Line Items]
Total fair value of identifiable intangible assets			$ 38,039
Useful life			8 years 6 months
Innovations Group
Acquired Finite-Lived Intangible Assets [Line Items]
Total fair value of identifiable intangible assets		$ 28,325
Innovations Group | Definite-lived intangible assets—Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Total fair value of identifiable intangible assets		$ 10,925
Useful life		10 years
Innovations Group | Definite-lived intangible assets—Technology and intellectual property
Acquired Finite-Lived Intangible Assets [Line Items]
Total fair value of identifiable intangible assets		$ 8,075
Innovations Group | Definite-lived intangible assets—Technology and intellectual property | Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Useful life		5 years
Innovations Group | Definite-lived intangible assets—Technology and intellectual property | Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Useful life		7 years
Innovations Group | Definite-lived intangible assets—Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Total fair value of identifiable intangible assets		$ 9,325
Useful life		17 years
Cloudbreak
Acquired Finite-Lived Intangible Assets [Line Items]
Total fair value of identifiable intangible assets	$ 32,475
Cloudbreak | Definite-lived intangible assets—Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Total fair value of identifiable intangible assets	$ 12,975
Useful life	15 years
Cloudbreak | Definite-lived intangible assets—Technology and intellectual property
Acquired Finite-Lived Intangible Assets [Line Items]
Total fair value of identifiable intangible assets	$ 5,825
Useful life	5 years
Cloudbreak | Definite-lived intangible assets—Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Total fair value of identifiable intangible assets	$ 13,675
Useful life	10 years