Borrowings - Additional Information (Detail) $ in Billions	Mar. 31, 2025 USD ($)
FHLB of New York
Debt Instrument [Line Items]
Available line of credit	$ 18.6
FRB of New York
Debt Instrument [Line Items]
Available line of credit	$ 24.7

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.

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+ Details