v3.26.1
Debt Securities - Amortized Cost and Estimated Market Value of Debt Securities by Contractual Maturity (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Investments, Debt and Equity Securities [Abstract]    
Due in one year or less, Securities, Available-For-Sale, Amortized Cost $ 3,460  
Due in one year or less, Securities, Available-For-Sale, Estimated Market Value 3,388  
Due after one year through five years, Securities, Available-For-Sale, Amortized Cost 123,668  
Due after one year through five years, Securities, Available-For-Sale, Estimated Market Value 114,888  
Due after five years through ten years, Securities, Available-For-Sale, Amortized Cost 282,655  
Due after five years through ten years, Securities, Available-For-Sale, Estimated Market Value 260,405  
Due after ten years, Securities, Available-For-Sale, Amortized Cost 712,436  
Due after ten years, Securities, Available-For-Sale, Estimated Market Value 663,142  
Securities, Available-for-sale, Amortized Cost 1,122,219 $ 1,041,188
Securities, Available-For-Sale, Estimated Market Value $ 1,041,823 $ 966,504