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Borrowings - Narrative (Details) $ in Thousands	Sep. 30, 2025 USD ($) bank	Dec. 31, 2024 USD ($) bank
Debt Instrument [Line Items]
Amount available to borrow in additional FHLB advances	$ 363,814	$ 315,468
Number of unaffiliated banks | bank	3	3
FRB | Revolving lines of credit
Debt Instrument [Line Items]
Unused line of credit	$ 18,664	$ 106,592
Unaffiliated Banks | Revolving lines of credit
Debt Instrument [Line Items]
Unused line of credit	$ 165,000	$ 165,000

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