Contract with customer, lease receivables.

No definition available.

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- Definition

Contract with customer, receivables.

+ References

No definition available.

+ Details

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- Definition

Investment interest percentage.

+ References

No definition available.

+ Details

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- Definition

Revenue Recognition.

+ References

No definition available.

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- Definition

Revenue remaining performance obligation backlog expected timing of satisfaction period.

+ References

No definition available.

+ Details

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- Definition

Revenue remaining performance obligation backlog for sales bookings.

+ References

No definition available.

+ Details

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- Definition

Revenue remaining performance obligation contracts that being invoiced monthly.

+ References

No definition available.

+ Details

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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045

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- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045

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Revenues - Additional Information (Details) - USD ($) $ in Millions		12 Months Ended
	Jun. 01, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Sep. 30, 2019	May 23, 2019
Revenue Recognition [Line Items]
Sale of portfolio, cash consideration					$ 2.9	$ 30.7
ASU 2016-02
Revenue Recognition [Line Items]
Lease receivables		$ 17.5	$ 28.8
ASC 2014-09
Revenue Recognition [Line Items]
Receivables from contracts with customers		45.1	48.6
Revenue recognized that was included in the contract liability		5.4	$ 4.7	$ 14.7
Future revenues under contract		476.6
Contracts currently being invoiced		406.0
Backlog for sales bookings		$ 70.6
Average remaining contract term of backlog sales bookings		6 years 10 months 24 days
United States \| Tower \| Melody Investment Advisors
Revenue Recognition [Line Items]
Sale of portfolio, cash consideration	$ 225.8
Investment interest retained, percentage	10.00%