Junior Subordinated Debt - Additional Information (Detail) - Subordinated debt	3 Months Ended
Mar. 31, 2024
VRB Subordinated
Class of Stock [Line Items]
Current Coupon Rate	9.08%
VRB Subordinated - 5%
Class of Stock [Line Items]
Interest rate	5.00%
Current Coupon Rate	5.00%
VRB Subordinated - 5% \| SOFR PLUS
Class of Stock [Line Items]
Basis spread on variable rate	4.90%

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