Incremental Costs to Obtain a Contract with a Customer (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Capitalized Contract Cost [Line Items]
Incremental costs capitalized	$ 13,164	$ 16,550	$ 36,957	$ 39,925
Commission and incentive payments
Capitalized Contract Cost [Line Items]
Total deferred costs	69,850		69,850		$ 77,716
Commission and incentive payments | Deferred costs included in prepaid and other current assets
Capitalized Contract Cost [Line Items]
Total deferred costs	42,299		42,299		54,516
Commission and incentive payments | Deferred costs included in other assets
Capitalized Contract Cost [Line Items]
Total deferred costs	27,551		27,551		$ 23,200
Deferred commissions
Capitalized Contract Cost [Line Items]
Amortization expense related to deferred costs	$ 14,901	$ 14,816	$ 43,304	$ 45,007