v3.26.1
Investment Securities - Securities Held-to-Maturity (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
Investment Securities [Abstract]      
Amortized cost $ 696,464 $ 718,641  
Gross unrecognized gains 781 1,099  
Gross unrecognized losses 128,601 127,004  
Fair value 568,644 592,736  
Allowance for credit losses 450 450 $ 450
Mortgage-backed Securities [Member]      
Investment Securities [Abstract]      
Amortized cost [1] 567,079 586,001  
Gross unrecognized gains [1] 36 88  
Gross unrecognized losses [1] 117,068 115,773  
Fair value [1] 450,047 470,316  
Allowance for credit losses 0 [1] 0 [1] 0
Collateralized Mortgage Obligations [Member]      
Investment Securities [Abstract]      
Amortized cost [1] 59,669 62,476  
Gross unrecognized gains [1] 0 0  
Gross unrecognized losses [1] 10,575 10,234  
Fair value [1] 49,094 52,242  
Allowance for credit losses 0 [1] 0 [1] 0
Municipal Securities [Member]      
Investment Securities [Abstract]      
Amortized cost 69,716 70,164  
Gross unrecognized gains 745 1,011  
Gross unrecognized losses 958 997  
Fair value 69,503 70,178  
Allowance for credit losses $ 450 $ 450 $ 450
[1] All mortgage-backed securities and collateralized mortgage obligations were issued by an agency or government sponsored entity of the U.S. Government.