v3.26.1
Investment Securities - Summary of Available-for-sale Securities with Unrealized Loss (Details)
$ in Thousands
Jun. 30, 2026
USD ($)
security
Dec. 31, 2025
USD ($)
security
Available-for-sale securities that had an unrealized loss:    
Less than 12 months, fair value $ 223,688 $ 71,109
Less than 12 months, unrealized loss $ 4,006 $ 888
Less than 12 months, Number of securities | security 124 30
12 months or more, fair value $ 590,467 $ 791,394
12 months or more, unrealized loss $ 90,064 $ 94,295
12 months or more, Number of securities | security 295 423
Total fair value $ 814,155 $ 862,503
Total unrealized loss 94,070 95,183
U.S. Treasury and government agencies    
Available-for-sale securities that had an unrealized loss:    
Less than 12 months, fair value 14,629 5,319
Less than 12 months, unrealized loss $ 95 $ 16
Less than 12 months, Number of securities | security 2 3
12 months or more, fair value $ 0 $ 741
12 months or more, unrealized loss $ 0 $ 3
12 months or more, Number of securities | security 0 4
Total fair value $ 14,629 $ 6,060
Total unrealized loss 95 19
U.S. government sponsored agencies    
Available-for-sale securities that had an unrealized loss:    
Less than 12 months, fair value 130,342 47,059
Less than 12 months, unrealized loss $ 2,179 $ 341
Less than 12 months, Number of securities | security 25 10
12 months or more, fair value $ 70,893 $ 127,311
12 months or more, unrealized loss $ 6,046 $ 6,115
12 months or more, Number of securities | security 18 27
Total fair value $ 201,235 $ 174,370
Total unrealized loss 8,225 6,456
States and political subdivisions    
Available-for-sale securities that had an unrealized loss:    
Less than 12 months, fair value 21,129 3,129
Less than 12 months, unrealized loss $ 769 $ 460
Less than 12 months, Number of securities | security 40 5
12 months or more, fair value $ 82,802 $ 158,898
12 months or more, unrealized loss $ 13,444 $ 17,942
12 months or more, Number of securities | security 61 134
Total fair value $ 103,931 $ 162,027
Total unrealized loss 14,213 18,402
Residential mortgage-backed securities    
Available-for-sale securities that had an unrealized loss:    
Less than 12 months, fair value 36,618 13,310
Less than 12 months, unrealized loss $ 482 $ 62
Less than 12 months, Number of securities | security 51 10
12 months or more, fair value $ 402,272 $ 461,661
12 months or more, unrealized loss $ 64,616 $ 63,941
12 months or more, Number of securities | security 198 235
Total fair value $ 438,890 $ 474,971
Total unrealized loss 65,098 64,003
Commercial mortgage-backed securities    
Available-for-sale securities that had an unrealized loss:    
Less than 12 months, fair value 20,970 2,292
Less than 12 months, unrealized loss $ 481 $ 9
Less than 12 months, Number of securities | security 6 2
12 months or more, fair value $ 31,656 $ 39,000
12 months or more, unrealized loss $ 5,802 $ 6,077
12 months or more, Number of securities | security 17 21
Total fair value $ 52,626 $ 41,292
Total unrealized loss 6,283 6,086
Bank-issued trust preferred securities    
Available-for-sale securities that had an unrealized loss:    
Less than 12 months, fair value 0 0
Less than 12 months, unrealized loss $ 0 $ 0
Less than 12 months, Number of securities | security 0 0
12 months or more, fair value $ 2,844 $ 3,783
12 months or more, unrealized loss $ 156 $ 217
12 months or more, Number of securities | security 1 2
Total fair value $ 2,844 $ 3,783
Total unrealized loss $ 156 $ 217