Borrowings and Subordinated Debentures - Summary of Financial Data Pertaining to Federal Home Loan Bank Advances (Detail) - USD ($)	3 Months Ended	12 Months Ended
Mar. 31, 2023	Dec. 31, 2022
Federal Home Loan Banks [Abstract]
Weighted-average interest rate at end of period	4.11%	3.57%
Weighted-average interest rate during the period	3.58%	1.52%
Average balance of FHLB advances	$ 268,056,000	$ 148,027,000
Maximum amount outstanding at any month-end	$ 350,000,000	$ 350,000,000

The calculated average balance outstanding for the year for all Federal Home Loan Bank advances as of the Balance Sheet date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13(3)(a))
-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

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- Definition

The calculated weighted average interest rate for Federal Home Loan Bank advances outstanding as of the Balance Sheet date.

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- Definition

The calculated weighted average interest rate for Federal Home Loan Bank advances for the period ended as of the Balance Sheet date.

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- Definition

The maximum balance outstanding at any month end during the period as of the Balance Sheet date.

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- References

No definition available.

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