Loans - Amortized Cost Basis of Collateral-Dependent Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024	Jun. 30, 2024
Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	$ 310	$ 330	$ 283
Commercial Real Estate \| Commercial \| Real estate owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	249	263	283
Commercial Real Estate \| Commercial \| Real estate non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	61	67	0
Commercial Real Estate \| Commercial \| Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0	0
Commercial Real Estate \| Commercial \| C&I
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0	0
Commercial Real Estate \| Commercial \| Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0	0
Commercial Real Estate \| Commercial \| Agriculture
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0	0
Commercial Real Estate \| Municipal
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0	0
Commercial Real Estate \| Residential \| Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0	0
Commercial Real Estate \| Residential \| Term
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0	0
Commercial Real Estate \| Home Equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0	0
Commercial Real Estate \| Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0	0
Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	2,081	558	569
Residential Real Estate \| Commercial \| Real estate owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0	0
Residential Real Estate \| Commercial \| Real estate non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0	0
Residential Real Estate \| Commercial \| Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0	0
Residential Real Estate \| Commercial \| C&I
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0	0
Residential Real Estate \| Commercial \| Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0	0
Residential Real Estate \| Commercial \| Agriculture
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0	0
Residential Real Estate \| Municipal
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0	0
Residential Real Estate \| Residential \| Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0	0
Residential Real Estate \| Residential \| Term
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	2,081	558	569
Residential Real Estate \| Home Equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0	0
Residential Real Estate \| Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0	$ 0
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	1,394	1,438
Other \| Commercial \| Real estate owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0
Other \| Commercial \| Real estate non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0
Other \| Commercial \| Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0
Other \| Commercial \| C&I
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	1,394	1,438
Other \| Commercial \| Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0
Other \| Commercial \| Agriculture
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0
Other \| Municipal
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0
Other \| Residential \| Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0
Other \| Residential \| Term
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0
Other \| Home Equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	0	0
Other \| Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	$ 0	$ 0