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Revenue - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Revenue [Line Items]
Software license arrangements, warranty period	90 days
Software license arrangements, initial post contract customer support period	1 year
Revenue allocated to remaining performance obligations	$ 846.9
Revenue allocated to remaining performance obligations, percentage to be recognized over the next 12 months	50.00%
Performance obligation satisfied in previous periods	$ 39.3
Costs to Obtain a Contract
Revenue [Line Items]
Capitalized costs to obtain or fulfill a contract, minimum amortization period	1 year
Capitalized costs to obtain or fulfill a contract, current	$ 1.3	$ 0.5
Capitalized costs to obtain or fulfill a contract, noncurrent	6.2	6.9
Costs to Obtain a Contract | Selling and Marketing
Revenue [Line Items]
Capitalized costs to obtain or fulfill a contract, amortization expense	4.7	6.6
Costs to Fulfill a Contract
Revenue [Line Items]
Capitalized costs to obtain or fulfill a contract, current	0.1	0.2
Capitalized costs to obtain or fulfill a contract, noncurrent	9.5	10.2
Costs to Fulfill a Contract | Cost of Revenue
Revenue [Line Items]
Capitalized costs to obtain or fulfill a contract, amortization expense	$ 4.4	$ 5.9

X

- Definition

Amortization period of cost capitalized in obtaining or fulfilling contract with customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Initial post contract customer support period.

+ References

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Revenue [Line Items]

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- Definition

The standard warranty period in software license arrangements.

+ References

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054

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- Definition

Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer; classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054

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Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer; classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (a)
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- Definition

Amount of revenue recognized from performance obligation satisfied or partially satisfied in previous reporting periods. Includes, but is not limited to, change in transaction price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
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- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Percentage of remaining performance obligation to total remaining performance obligation not recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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