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Borrowing Arrangements - Narrative (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Borrowing Arrangements
Debt instrument, interest rate, stated percentage	6.12%
Debt securities amortized cost	$ 523,679	$ 536,334
Available-for-sale debt securities	469,354	477,113
Federal Home Loan Bank Advances
Borrowing Arrangements
Borrowings	$ 45,000	45,000
Debt instrument, interest rate, stated percentage	4.52%
Overnight Borrowings
Borrowing Arrangements
Borrowings	$ 41,000
Debt instrument, interest rate, stated percentage	4.58%
Letter of Credit | Unsecured Credit Lines
Borrowing Arrangements
Total credit limit	$ 110,000	110,000
Letter of Credit | Federal Reserve Bank | Federal Reserve Bank Advances
Borrowing Arrangements
Total credit limit	3,539	3,669
Collateral pledged	4,162	4,406
Fair value of collateral	3,680	3,828
Federal Home Loan Bank Advances
Borrowing Arrangements
Borrowings		$ 90,000
Debt, Weighted Average Interest Rate		0.86%
Remaining borrowing capacity	625,413
Federal Home Loan Bank Advances | Asset Pledged as Collateral
Borrowing Arrangements
Debt securities amortized cost	155,779	$ 153,139
Available-for-sale debt securities	196,703	$ 193,424
Federal Home Loan Bank Advances | Asset Pledged as Collateral | Financing Receivable
Borrowing Arrangements
Financial Instruments, Owned, at Fair Value	$ 1,122,757

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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