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Summary of Significant Accounting Policies, Reclassifications (Details) - Reclassification Adjustment [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
General and Administrative Expenses [Member]
Reclassifications [Abstract]
Events and other miscellaneous selling costs	$ (12.0)	$ (10.4)
Selling Expenses [Member]
Reclassifications [Abstract]
Events and other miscellaneous selling costs	$ 12.0	$ 10.4

X

- Definition

Amount of selling and marketing expense classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

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X

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_GeneralAndAdministrativeExpenseMember
Namespace Prefix:
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Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_SellingAndMarketingExpenseMember
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Balance Type:
Period Type: