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Revenue from Contracts with Customer - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Deferred revenues	$ 232,593,000	$ 209,314,000
Contract asset impairment	0	0
Contract with customer, liability, revenue recognized	183,997,000	203,682,000
Contract with customer liability additions	215,947,000	193,999,000
Total revenues	$ 965,046,000	$ 801,544,000	$ 736,654,000
Customer Concentration Risk | Revenue Benchmark | Channel Partners
Disaggregation of Revenue [Line Items]
Concentration risk percentage	8.00%	8.00%	8.00%
Portfolio Balancing
Disaggregation of Revenue [Line Items]
Deferred revenues	$ 18,020,000	$ 18,166,000
Licenses
Disaggregation of Revenue [Line Items]
Total revenues	412,375,000	338,792,000	$ 311,689,000
Term Licenses
Disaggregation of Revenue [Line Items]
Total revenues	$ 359,295,000	$ 281,410,000	$ 251,996,000

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Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer.

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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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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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