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Loans and Allowance for Credit Losses - Amortized Cost Basis of Collateral-Dependent Loans by Class of Loans Individually Evaluated (Details) $ in Thousands	Sep. 30, 2025 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	$ 10,957
Allowance for Credit Losses	299
Commercial and Industrial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	1,403
Other Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	2,075
Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	7,479
Real Estate | Commercial and Industrial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Real Estate | Other Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Business Assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	3,449
Business Assets | Commercial and Industrial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	1,374
Business Assets | Other Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	2,075
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	29
Other | Commercial and Industrial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	29
Allowance for Credit Losses	0
Other | Other Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Allowance for Credit Losses	0
Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	7,479
Real Estate Loan | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	6,950
Real Estate Loan | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	7,479
Real Estate Loan | Real Estate | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	6,950
Real Estate Loan | Business Assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Real Estate Loan | Business Assets | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Real Estate Loan | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Allowance for Credit Losses	299
Real Estate Loan | Other | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Allowance for Credit Losses	299
1-4 Family | Real Estate Loan | Residential Properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	145
1-4 Family | Real Estate Loan | Real Estate | Residential Properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	145
1-4 Family | Real Estate Loan | Business Assets | Residential Properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
1-4 Family | Real Estate Loan | Other | Residential Properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Allowance for Credit Losses	0
Multifamily | Real Estate Loan | Residential Properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	384
Multifamily | Real Estate Loan | Real Estate | Residential Properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	384
Multifamily | Real Estate Loan | Business Assets | Residential Properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Multifamily | Real Estate Loan | Other | Residential Properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Individually Evaluated for Impairment	0
Allowance for Credit Losses	$ 0

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
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