v3.26.1
Investment Securities (Details)
$ in Thousands
Jun. 30, 2026
USD ($)
Security
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Investment Securities [Abstract]      
Allowance for credit losses $ 450 $ 450 $ 450
Number of investment available-for-sale securities held (in Security) | Security 327    
Less than 12 months, number of positions (in Security) | Security 51    
12 months or more, number of positions (in Security) | Security 102    
Investment securities holdings $ 0    
Maximum threshold shareholders equity percentage to an issuer 10.00%    
Carrying amount of securities $ 1,628,792 1,669,345  
Mortgage-backed Securities [Member]      
Investment Securities [Abstract]      
Allowance for credit losses 0 [1] 0 [1] 0
Municipal Securities [Member]      
Investment Securities [Abstract]      
Allowance for credit losses 450 450 $ 450
Past due principal or interest payments of securities 0    
Asset Pledged as Collateral [Member] | Public Deposits, Federal Home Loan Bank ("FHLB") Borrowings, and Other Government Agency Deposits [Member]      
Investment Securities [Abstract]      
Carrying amount of securities $ 715,000 $ 673,800  
[1] All mortgage-backed securities and collateralized mortgage obligations were issued by an agency or government sponsored entity of the U.S. Government.