Revenues (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2021	Dec. 31, 2020
Revenue Recognition [Abstract]
Long term deferred revenue	$ 18.0	$ 18.0	$ 14.2
Revenue recognized	9.7	41.8
Remaining performance obligations	121.4	121.4
Expected remaining performance obligations recognized during next 12 months	102.1	102.1
Expected remaining performance obligations recognized over subsequent 12 months	10.8	10.8
Expected remaining performance obligations recognized remainder thereafter	8.6	8.6
Deferred sales commissions	$ 6.6	$ 6.6	$ 5.0

Expected remaining performance obligations recognized during next 12 months.

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- Definition

Expected remaining performance obligations recognized subsequent to next 12 months.

+ References

No definition available.

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Expected remaining performance obligations recognized remainder thereafter.

+ References

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- Definition

Remaining performance obligations.

+ References

No definition available.

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- Definition

The total amount of long-term liability charges that are being deferred beyond one year.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.15)
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

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- Definition

Carrying amount of advanced commission payments.

+ References

No definition available.

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- Definition

The amount of previously reported deferred or unearned revenue that was recognized as revenue during the period. For cash flows, this element primarily pertains to amortization of deferred credits on long-term arrangements. As a noncash item, it is deducted from net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

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