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Debt Securities - Schedule of Investments Classified by Contractual Maturity Date (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Amortized Cost    
Due within one year $ 411 $ 1,522
Due after one year through five years 1,501 1,929
Due after five years through ten years 5,000 5,000
Due after ten years 0 0
Total 145,261 154,199
Estimated Fair Value    
Due within one year 409 1,520
Due after one year through five years 1,479 1,876
Due after five years through ten years 4,549 4,468
Due after ten years 0 0
Estimated Fair Value 145,682 152,011
MBS, residential    
Amortized Cost    
Total 138,349 145,748
Estimated Fair Value    
Estimated Fair Value $ 139,245 $ 144,147