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Carrying amount as of the balance sheet date of obligations due all related parties.

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

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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.

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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.

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Related Parties -Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Pivotal Acquisition Corp. [Member] \| Debentures [Member]
Related Party Transaction [Line Items]
Debt principal amount	$ 200.0
MGG Investment Group [Member]
Related Party Transaction [Line Items]
Interest expense, related party	0.4
MGG Investment Group [Member] \| Debentures [Member]
Related Party Transaction [Line Items]
Debt instrument outstanding	100.0
MGG Investment Group [Member] \| Pivotal Acquisition Corp. [Member] \| Debentures [Member]
Related Party Transaction [Line Items]
Debt instrument outstanding	100.0
Carlyle Investment Management, LLC [Member]
Related Party Transaction [Line Items]
Related parties, amounts outstanding		$ 2.3
General and administrative [Member] \| Carlyle Investment Management, LLC [Member]
Related Party Transaction [Line Items]
Management consulting fees	$ 1.0	$ 1.0