Debt - Automotive Lease-backed Credit Facilities - Additional Information (Detail)	1 Months Ended
Sep. 30, 2020
LIBOR [Member] \| Automotive Lease-backed Credit Facilities [Member] \| Non-recourse debt [Member]
Debt Instrument [Line Items]
Debt instrument basis spread on variable rate	1.85%

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.

No definition available.

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Balance Type:	na
Period Type:	duration