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Revenue from Contracts with Customer - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Deferred revenues	$ 179,900		$ 179,900		$ 213,145
Contract with customer, liability, revenue recognized			177,462
Increase in contract with customer, liability			(35,134)	$ (39,655)
Contract with customer liability additions			142,678
Total revenues	$ 202,997	$ 186,588	581,977	533,732
Customer Concentration Risk | Revenue Benchmark | Channel Partners
Disaggregation of Revenue [Line Items]
Concentration risk percentage	8.00%
Portfolio Balancing
Disaggregation of Revenue [Line Items]
Deferred revenues	$ 18,231		18,231		$ 18,060
Licenses
Disaggregation of Revenue [Line Items]
Total revenues	85,369	82,179	245,639	225,921
Term Licenses
Disaggregation of Revenue [Line Items]
Total revenues	$ 72,542	$ 68,392	$ 209,619	$ 187,666

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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