v3.26.1
Investment Securities - Additional Information (Details)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
Security
Dec. 31, 2025
USD ($)
Security
Available-for-sale Securities, Amortized Cost Basis [Abstract]    
Available for sale securities continuous unrealized loss position twelve months or more amortized historical cost basis $ 374,200 $ 282,600
Available-for-sale investment securities aggregate fair value that exceeded and amortized historical cost $ 8,100 $ 5,800
Available For SaleI nvestment Securities Aggregate Fair Value And Amortized Historical Cost Percentage 2.20% 2.10%
Available-for-sale investment securities decline in fair value and amortized historical cost $ 2,300  
Held-to-maturity Securities [Abstract]    
Held-to-maturity securities aggregate unrealized loss $ 5,768 $ 5,648
Number of securities in unrealized loss positions, twelve months or more | Security 60 66
Held-to-maturity securities aggregate unrealized loss $ 5,768 $ 5,648
Twelve months or more Fair Value 62,814 68,896
Gain (Loss) on Sale of Investments [Abstract]    
Securities pledged to collateralize deposit 134,800 118,300
Securities pledged to collateralize borrowing 172,000 121,300
Aggregate fair value 212,000,000  
Held-to-Maturity Securities [Member]    
Available-for-sale Securities, Amortized Cost Basis [Abstract]    
Available-for-sale investment securities aggregate fair value that exceeded and amortized historical cost $ 5,500 $ 5,300
Available For SaleI nvestment Securities Aggregate Fair Value And Amortized Historical Cost Percentage (4.90%) (4.10%)
Held-to-maturity Securities [Abstract]    
Held to maturity securities continuous unrealized loss position greater than twelve months amortized historical cost basis $ 111,500 $ 130,500
Held to maturity securities continuous unrealized loss position greater than twelve months amortized historical cost basis $ 111,500 $ 130,500