Successor Long-Term Debt - Exit Term Loan Credit Agreement - Additional Information (Detail) - Senior Secured Term Loan Credit Agreement [Member] $ in Millions	Apr. 23, 2021 USD ($)
Debt Instrument [Line Items]
Senior notes	$ 100.0
Debt instrument maturity date	Apr. 22, 2027
Debt instrument carrying amount	$ 100.0

Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant