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Mortgage Servicing Rights - Summary of Carrying Value Under the Fair Value Measurement Method (Details) - Mortgage Servicing Rights - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Servicing Assets At Fair Value [Line Items]        
Balance at Beginning of Period $ 619 $ 668 $ 647 $ 678
Change in Fair Value Due to Payoffs (8) (8) (36) (18)
Balance at End of Period $ 611 $ 660 $ 611 $ 660