Subordinated Debentures - Additional Information (Detail) - Subordinated debt	3 Months Ended
Mar. 31, 2023
VRB Subordinated - 6%
Class of Stock [Line Items]
Interest rate	6.00%
Current Coupon Rate	6.00%
VRB Subordinated - 6% \| LIBOR PLUS
Class of Stock [Line Items]
Basis spread on variable rate	3.50%
VRB Subordinated - 5%
Class of Stock [Line Items]
Interest rate	5.00%
Current Coupon Rate	5.00%
VRB Subordinated - 5% \| LIBOR 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.

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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-Name Accounting Standards Codification
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