Goodwill and Intangible Assets - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) reportingUnit operatingSegment	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Jun. 30, 2021 USD ($)	Apr. 01, 2021 USD ($)
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 512,869	$ 462,274
Number of operating segments | operatingSegment	1
Number of reporting units | reportingUnit	1
Amortization of intangible assets	$ 17,901	17,888	$ 6,339
Capitalized software and development costs	258,979	243,423
Capitalized software development costs
Finite-Lived Intangible Assets [Line Items]
Capitalized software and development costs	10,969	5,103
Amortization of capitalized software development costs	1,300	800	800
Cost of revenues
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	22,000	21,300	9,900
Operating expense
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 17,900	$ 17,900	$ 6,300
Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated useful life	2 years
Minimum | Capitalized software development costs
Finite-Lived Intangible Assets [Line Items]
Estimated useful life	3 years
Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated useful life	10 years
Maximum | Capitalized software development costs
Finite-Lived Intangible Assets [Line Items]
Estimated useful life	5 years
ClickSWITCH
Finite-Lived Intangible Assets [Line Items]
Goodwill				$ 50,600	$ 50,595
ClickSWITCH | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated useful life	2 years
ClickSWITCH | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated useful life	6 years