Allowance for Credit Losses - Additional Information (Detail) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Losses [Line Items]
Reserve for lending-related commitments	$ 11,946	$ 1,733
Maximum Period Related To Accrual Of Interest On Discontinued Loans	90 days
Accrued interest receivable	$ 56,124	$ 48,130

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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