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Junior Subordinated Debt - Additional Information (Detail) - VRB Subordinated - 5% - Subordinated debt	12 Months Ended
	Dec. 31, 2024	Mar. 31, 2025
Class of Stock [Line Items]
Interest rate	5.00%	5.00%
Current Coupon Rate		5.00%
Basis spread on variable rate	4.90%

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