Borrowing Arrangements - Additional Information (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Debt Disclosure [Abstract]
Federal Home Loan Bank borrowings	$ 50,000	$ 0
FHLB interest rate	4.85%
Letter of credit	$ 67,000,000	67,000,000
Financial Instruments Owned and Pledged as Collateral [Line Items]
Loans	1,659,051,000	1,297,896,000
Asset Pledged as Collateral
Financial Instruments Owned and Pledged as Collateral [Line Items]
Loans	$ 1,240,000,000	$ 958,300,000

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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Interest rate of advances made and reported by Federal Home Loan Bank (FHLBank).

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
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