v3.26.3
Investment Securities Gross Unrealized Losses - AFS (Details)
$ in Thousands
Sep. 30, 2026
USD ($)
securities
Dec. 31, 2025
USD ($)
securities
Debt Securities, Available-for-sale [Line Items]    
Securities available for sale, continuous unrealized loss position, less than 12 months, fair value $ 1,919 $ 1,110
Securities available for sale, continuous unrealized loss position, less than 12 months, accumulated loss $ (32) $ (1)
Securities available for sale, continuous unrealized loss position, less than 12 months, Number of Positions | securities 1 1
Securities available for sale, continuous unrealized loss position, 12 months or longer, fair value $ 411,654 $ 466,050
Securities available for sale, continuous unrealized loss position, 12 months or longer, accumulated loss $ (118,144) $ (93,269)
Securities, available for sale, continuous unrealized loss position, 12 Months or longer, Number of Positions | securities 149 151
Securities available for sale, continuous unrealized loss position, fair value $ 413,573 $ 467,160
Securities available for sale, continuous unrealized loss position, accumulated loss (118,176) (93,270)
State and political subdivisions [Member]    
Debt Securities, Available-for-sale [Line Items]    
Securities available for sale, continuous unrealized loss position, less than 12 months, fair value 0 0
Securities available for sale, continuous unrealized loss position, less than 12 months, accumulated loss $ 0 $ 0
Securities available for sale, continuous unrealized loss position, less than 12 months, Number of Positions | securities 0 0
Securities available for sale, continuous unrealized loss position, 12 months or longer, fair value $ 150,073 $ 163,173
Securities available for sale, continuous unrealized loss position, 12 months or longer, accumulated loss $ (46,159) $ (34,820)
Securities, available for sale, continuous unrealized loss position, 12 Months or longer, Number of Positions | securities 68 68
Securities available for sale, continuous unrealized loss position, fair value $ 150,073 $ 163,173
Securities available for sale, continuous unrealized loss position, accumulated loss (46,159) (34,820)
Collateralized mortgage obligations [Member]    
Debt Securities, Available-for-sale [Line Items]    
Securities available for sale, continuous unrealized loss position, less than 12 months, fair value 1,919 0
Securities available for sale, continuous unrealized loss position, less than 12 months, accumulated loss $ (32) $ 0
Securities available for sale, continuous unrealized loss position, less than 12 months, Number of Positions | securities 1 0
Securities available for sale, continuous unrealized loss position, 12 months or longer, fair value $ 167,005 $ 193,683
Securities available for sale, continuous unrealized loss position, 12 months or longer, accumulated loss $ (50,016) $ (40,534)
Securities, available for sale, continuous unrealized loss position, 12 Months or longer, Number of Positions | securities 53 53
Securities available for sale, continuous unrealized loss position, fair value $ 168,924 $ 193,683
Securities available for sale, continuous unrealized loss position, accumulated loss (50,048) (40,534)
Mortgage-backed securities [Member]    
Debt Securities, Available-for-sale [Line Items]    
Securities available for sale, continuous unrealized loss position, less than 12 months, fair value 0 0
Securities available for sale, continuous unrealized loss position, less than 12 months, accumulated loss $ 0 $ 0
Securities available for sale, continuous unrealized loss position, less than 12 months, Number of Positions | securities 0 0
Securities available for sale, continuous unrealized loss position, 12 months or longer, fair value $ 85,252 $ 96,142
Securities available for sale, continuous unrealized loss position, 12 months or longer, accumulated loss $ (21,543) $ (17,216)
Securities, available for sale, continuous unrealized loss position, 12 Months or longer, Number of Positions | securities 22 22
Securities available for sale, continuous unrealized loss position, fair value $ 85,252 $ 96,142
Securities available for sale, continuous unrealized loss position, accumulated loss (21,543) (17,216)
Collateralized loan obligations [Member]    
Debt Securities, Available-for-sale [Line Items]    
Securities available for sale, continuous unrealized loss position, less than 12 months, fair value   1,110
Securities available for sale, continuous unrealized loss position, less than 12 months, accumulated loss   $ (1)
Securities available for sale, continuous unrealized loss position, less than 12 months, Number of Positions | securities   1
Securities available for sale, continuous unrealized loss position, 12 months or longer, fair value   $ 0
Securities available for sale, continuous unrealized loss position, 12 months or longer, accumulated loss   $ 0
Securities, available for sale, continuous unrealized loss position, 12 Months or longer, Number of Positions | securities   0
Securities available for sale, continuous unrealized loss position, fair value   $ 1,110
Securities available for sale, continuous unrealized loss position, accumulated loss   (1)
Corporate notes [Member]    
Debt Securities, Available-for-sale [Line Items]    
Securities available for sale, continuous unrealized loss position, less than 12 months, fair value 0 0
Securities available for sale, continuous unrealized loss position, less than 12 months, accumulated loss $ 0 $ 0
Securities available for sale, continuous unrealized loss position, less than 12 months, Number of Positions | securities 0 0
Securities available for sale, continuous unrealized loss position, 12 months or longer, fair value $ 9,324 $ 13,052
Securities available for sale, continuous unrealized loss position, 12 months or longer, accumulated loss $ (426) $ (699)
Securities, available for sale, continuous unrealized loss position, 12 Months or longer, Number of Positions | securities 6 8
Securities available for sale, continuous unrealized loss position, fair value $ 9,324 $ 13,052
Securities available for sale, continuous unrealized loss position, accumulated loss $ (426) $ (699)