XML 50 R39.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Securities - Available-for-Sale and Held-to-Maturity by Contractual Maturity (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Mar. 31, 2023
Dec. 31, 2022
Securities held-to-maturity, Amortized Cost, Due after ten years $ 65,696      
Securities, held-to-maturity, Amortized Cost, With single maturity date 65,696      
Securities, held-to-maturity, Amortized Cost 73,546 $ 74,010    
Securities held-to-maturity, Allowance for credit losses (1,084) (1,087) $ (1,087) $ (1,100)
Securities held-to-maturity 72,462 72,923    
Securities held-to-maturity, Fair Value, Due after ten years 56,856      
Securities held-to-maturity, Fair Value, With single maturity date 56,856      
Debt Securities, Held-to-maturity, Fair Value, Total 63,800 65,755    
Securities available-for-sale, Amortized Cost, Due in one year or less 29,901      
Securities available-for-sale, Amortized Cost, Due after one years through five years 75,185      
Securities available-for-sale, Amortized Cost, Due after five years through ten years 223,390      
Securities available-for-sale, Amortized Cost, Due after ten years 343,608      
Securities available-for-sale, Amortized Cost, With single maturity date 672,084      
Securities available-for-sale 1,261,394 956,418    
Securities available for sale, Fair Value, Due in one year or less 29,101      
Securities available for sale, Fair Value, Due after one years through five years 70,275      
Securities available for sale, Fair Value, Due after five years through ten years 211,299      
Securities available for sale, Fair Value, Due after ten years 344,863      
Securities available-for-sale, Fair Value, With single maturity date 655,538      
Securities, available-for-sale, Fair Value 1,176,683 874,753    
Basis adjustments 6,334 949    
Designated as Hedging Instrument [Member] | Portfolio Layer Hedges on Closed Portfolio of Securities Available for Sale [Member]        
Basis adjustments 5,100 2,300    
Total Other Securities [Member]        
Securities, held-to-maturity, Amortized Cost 65,696 66,155    
Debt Securities, Held-to-maturity, Fair Value, Total 56,856 58,697    
Securities available-for-sale 683,702 538,429    
Securities, available-for-sale, Fair Value 667,156 520,409    
Collateralized Mortgage Backed Securities        
Securities held-to-maturity, Amortized Cost, Without single maturity 7,850      
Securities, held-to-maturity, Amortized Cost 7,850 7,855    
Securities held-to-maturity, Fair Value, Without single maturity date 6,944      
Debt Securities, Held-to-maturity, Fair Value, Total 6,944 7,058    
Securities, available-for-sale, Amortized Cost, Without single maturity date 577,692      
Securities available-for-sale 577,692 417,989    
Securities available-for-sale, Fair Value, Without single maturity date 509,527      
Securities, available-for-sale, Fair Value 509,527 354,344    
Mutual Fund Debt Securities [Member]        
Securities, available-for-sale, Amortized Cost, Without single maturity date 11,618      
Securities available-for-sale 11,618 11,660    
Securities available-for-sale, Fair Value, Without single maturity date 11,618      
Securities, available-for-sale, Fair Value $ 11,618 $ 11,660