Incremental Costs to Obtain a Contract with a Customer (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Capitalized Contract Cost [Line Items]
Capitalized incremental costs to obtain a contract	$ 13,921	$ 12,590	$ 23,793	$ 23,375
Commission and incentive payments
Capitalized Contract Cost [Line Items]
Total deferred costs	72,499		72,499		$ 77,716
Commission and incentive payments | Deferred costs included in prepaid and other current assets
Capitalized Contract Cost [Line Items]
Total deferred costs	44,465		44,465		54,516
Commission and incentive payments | Deferred costs included in other assets
Capitalized Contract Cost [Line Items]
Total deferred costs	28,034		28,034		$ 23,200
Deferred commissions
Capitalized Contract Cost [Line Items]
Amortization expense	$ 14,676	$ 16,069	$ 28,403	$ 30,191