Termination agreement date.

No definition available.

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- Definition

Amount of interest expense incurred on a debt or other obligation to related party.

+ References

No definition available.

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- Definition

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

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- Definition

A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 220
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Related Parties - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020	Dec. 31, 2019
Related Party Transaction [Line Items]
Interest expense, related party	$ 6.4	$ 3.1
MGG Investment Group [Member]
Related Party Transaction [Line Items]
Interest expense, related party					$ 12.1	$ 0.4
MGG Investment Group [Member] \| Debenture [Member]
Related Party Transaction [Line Items]
Debt instrument outstanding	$ 110.6		$ 110.6		$ 107.3
Interest expense, related party			$ 9.6	$ 9.0
Carlyle Investment Management, LLC [Member]
Related Party Transaction [Line Items]
Agreement termination date					Dec. 19, 2019
General and administrative [Member] \| Carlyle Investment Management, LLC [Member]
Related Party Transaction [Line Items]
Management consulting fees						$ 1.0