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Investment Securities - Scheduled Maturities of Investment Securities Available-for-Sale and Held-to-Maturity (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Investments, Debt and Equity Securities [Abstract]    
Available-for-sale, maturing within one year, amortized cost $ 10,455  
Available-for-sale, maturing after one to five years, amortized cost 14,884  
Available-for-sale, maturing after five to ten years, amortized cost 58,452  
Available-for-sale, maturing after ten years, amortized cost 82,130  
Available-for-sale, amortized cost 165,921 $ 174,597
Available-for-sale, maturing within one year, estimated fair value 10,238  
Available-for-sale, maturing after one to five years, estimated fair value 14,412  
Available-for-sale, maturing after five to ten years, estimated fair value 56,142  
Available-for-sale, maturing after ten years, estimated fair value 83,177  
Available-for-sale, amortized cost 163,969 167,888
Held-to-maturity, maturing after one to five years, amortized cost 189  
Held-to-maturity, maturing after five to ten years, amortized cost 251  
Held-to-maturity, maturing after ten years, amortized cost 84  
Held-to-maturity, amortized cost 524 682
Held-to-maturity, maturing after one to five years, estimated fair value 187  
Held-to-maturity, maturity after five to ten years, estimated fair value 236  
Held-to-maturity, maturing after ten years, estimated fair value 81  
Held-to-maturity, amortized cost $ 504 $ 642