v3.26.1
Debt Securities - Additional Information (Details)
 3 Months Ended
Mar. 31, 2026
USD ($)
Security
Dec. 31, 2025
USD ($)
Debt Securities, Available-for-Sale [Line Items]    
Allowance for credit losses on available-for-sale securities $ 0 $ 0
Available-for-sale, amortized cost 1,122,219,000 1,041,188,000
Available-for-sale securities, fair value 1,041,823,000 966,504,000
Debt securities, available-for-sale, unrealized loss position, accumulated loss 81,918,000 77,418,000
Debt securities, available-for-sale, unrealized loss position 885,970,000 763,789,000
Asset Pledged as Collateral [Member] | Public Deposits and Other Required Purposes [Member]    
Debt Securities, Available-for-Sale [Line Items]    
Available-for-sale, amortized cost 590,058,000 603,852,000
Available-for-sale securities, fair value 536,456,000 551,499,000
Collateralized Mortgage Obligations [Member]    
Debt Securities, Available-for-Sale [Line Items]    
Available-for-sale, amortized cost 264,704,000 218,479,000
Available-for-sale securities, fair value 248,614,000 204,388,000
US Government Sponsored Entities and Agencies [Member]    
Debt Securities, Available-for-Sale [Line Items]    
Allowance for credit losses on available-for-sale securities 0  
Available-for-sale securities, fair value 10,400,000  
Debt securities, available-for-sale, unrealized loss position, accumulated loss $ 1,100,000  
Percent of mortgage-backed securities 98.00%  
Asset-backed Securities    
Debt Securities, Available-for-Sale [Line Items]    
Available-for-sale, amortized cost $ 53,287,000 47,868,000
Available-for-sale securities, fair value 52,356,000 46,780,000
Debt securities, available-for-sale, unrealized loss position, accumulated loss 947,000 1,135,000
Debt securities, available-for-sale, unrealized loss position $ 45,440,000 $ 29,387,000
Securities Except U.S. Government and its Agencies [Member]    
Debt Securities, Available-for-Sale [Line Items]    
Number of security holdings greater than 10% percent of shareholders' equity | Security 0