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Junior Subordinated Debt - Additional Information (Detail) - VRB Subordinated - 5% - Subordinated debt	6 Months Ended
	Jun. 30, 2025
Class of Stock [Line Items]
Interest rate	5.00%
Current Coupon Rate	5.00%
Basis spread on variable rate	4.90%

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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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