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v3.25.3

Securities - Gross Unrealized Losses and Fair Value by Investment Category (Details) $ in Thousands | Sep. 30, 2025 USD ($) security | Dec. 31, 2024 USD ($) security
--- | --- | ---
Available for Sale: |  |
Number of positions, Less than 12 Months | security | 61 | 16
Fair Value, Less than 12 Months | $ 553,009 | $ 95,216
Unrealized Losses, Less than 12 Months | $ (4,592) | $ (1,120)
Number of positions, 12 Months or More | security | 117 | 122
Fair value, 12 Months or More | $ 583,825 | $ 606,628
Unrealized Losses, 12 Months or More | $ (97,891) | $ (137,488)
Number of positions | security | 178 | 138
Fair Value | $ 1,136,834 | $ 701,844
Unrealized Losses | $ (102,483) | $ (138,608)
Held to Maturity: |  |
Number of positions, Less than 12 Months | security | 6 | 0
Fair Value, Less than 12 Months | $ 15,151 | $ 0
Unrealized Losses, Less than 12 Months | $ (1,272) | $ 0
Number of positions, 12 Months or More | security | 223 | 235
Fair value, 12 Months or More | $ 959,886 | $ 1,000,874
Unrealized Losses, 12 Months or More | $ (73,980) | $ (123,603)
Number of positions | security | 229 | 235
Fair Value | $ 975,037 | $ 1,000,874
Unrealized Losses | $ (75,252) | $ (123,603)
Obligations of states and political subdivisions |  |
Available for Sale: |  |
Number of positions, Less than 12 Months | security | 19 | 0
Fair Value, Less than 12 Months | $ 33,281 | $ 0
Unrealized Losses, Less than 12 Months | $ (702) | $ 0
Number of positions, 12 Months or More | security | 7 | 7
Fair value, 12 Months or More | $ 13,309 | $ 12,841
Unrealized Losses, 12 Months or More | $ (1,663) | $ (2,269)
Number of positions | security | 26 | 7
Fair Value | $ 46,590 | $ 12,841
Unrealized Losses | $ (2,365) | $ (2,269)
Held to Maturity: |  |
Number of positions, Less than 12 Months | security | 6 | 0
Fair Value, Less than 12 Months | $ 15,151 | $ 0
Unrealized Losses, Less than 12 Months | $ (1,272) | $ 0
Number of positions, 12 Months or More | security | 119 | 128
Fair value, 12 Months or More | $ 229,928 | $ 240,394
Unrealized Losses, 12 Months or More | $ (32,313) | $ (42,491)
Number of positions | security | 125 | 128
Fair Value | $ 245,079 | $ 240,394
Unrealized Losses | $ (33,585) | $ (42,491)
Other debt securities |  |
Available for Sale: |  |
Number of positions, Less than 12 Months | security | 16 | 2
Fair Value, Less than 12 Months | $ 269,566 | $ 22,357
Unrealized Losses, Less than 12 Months | $ (1,983) | $ (218)
Number of positions, 12 Months or More | security | 10 | 17
Fair value, 12 Months or More | $ 18,286 | $ 30,801
Unrealized Losses, 12 Months or More | $ (1,256) | $ (2,437)
Number of positions | security | 26 | 19
Fair Value | $ 287,852 | $ 53,158
Unrealized Losses | $ (3,239) | $ (2,655)
Held to Maturity: |  |
Number of positions, Less than 12 Months | security | 0 | 0
Fair Value, Less than 12 Months | $ 0 | $ 0
Unrealized Losses, Less than 12 Months | $ 0 | $ 0
Number of positions, 12 Months or More | security | 10 | 10
Fair value, 12 Months or More | $ 45,854 | $ 49,603
Unrealized Losses, 12 Months or More | $ (2,440) | $ (4,080)
Number of positions | security | 10 | 10
Fair Value | $ 45,854 | $ 49,603
Unrealized Losses | $ (2,440) | $ (4,080)
Mortgage backed securities issued by U.S. Government agencies or sponsored enterprises | Residential mortgage backed securities: |  |
Available for Sale: |  |
Number of positions, Less than 12 Months | security | 5 | 7
Fair Value, Less than 12 Months | $ 122,812 | $ 11,051
Unrealized Losses, Less than 12 Months | $ (1,316) | $ (259)
Number of positions, 12 Months or More | security | 36 | 34
Fair value, 12 Months or More | $ 137,171 | $ 141,321
Unrealized Losses, 12 Months or More | $ (16,192) | $ (24,208)
Number of positions | security | 41 | 41
Fair Value | $ 259,983 | $ 152,372
Unrealized Losses | $ (17,508) | $ (24,467)
Held to Maturity: |  |
Number of positions, Less than 12 Months | security | 0 | 0
Fair Value, Less than 12 Months | $ 0 | $ 0
Unrealized Losses, Less than 12 Months | $ 0 | $ 0
Number of positions, 12 Months or More | security | 66 | 69
Fair value, 12 Months or More | $ 324,998 | $ 347,154
Unrealized Losses, 12 Months or More | $ (11,384) | $ (25,251)
Number of positions | security | 66 | 69
Fair Value | $ 324,998 | $ 347,154
Unrealized Losses | $ (11,384) | $ (25,251)
Mortgage backed securities issued by U.S. Government agencies or sponsored enterprises | Commercial mortgage backed securities: |  |
Available for Sale: |  |
Number of positions, Less than 12 Months | security | 9 | 2
Fair Value, Less than 12 Months | $ 71,211 | $ 5,248
Unrealized Losses, Less than 12 Months | $ (396) | $ (122)
Number of positions, 12 Months or More | security | 2 | 2
Fair value, 12 Months or More | $ 5,581 | $ 5,375
Unrealized Losses, 12 Months or More | $ (403) | $ (629)
Number of positions | security | 11 | 4
Fair Value | $ 76,792 | $ 10,623
Unrealized Losses | $ (799) | $ (751)
Held to Maturity: |  |
Number of positions, Less than 12 Months | security | 0 | 0
Fair Value, Less than 12 Months | $ 0 | $ 0
Unrealized Losses, Less than 12 Months | $ 0 | $ 0
Number of positions, 12 Months or More | security | 1 | 1
Fair value, 12 Months or More | $ 14,758 | $ 14,002
Unrealized Losses, 12 Months or More | $ (2,185) | $ (2,958)
Number of positions | security | 1 | 1
Fair Value | $ 14,758 | $ 14,002
Unrealized Losses | $ (2,185) | $ (2,958)
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises | Residential mortgage backed securities: |  |
Available for Sale: |  |
Number of positions, Less than 12 Months | security | 3 | 3
Fair Value, Less than 12 Months | $ 27,820 | $ 48,879
Unrealized Losses, Less than 12 Months | $ (155) | $ (482)
Number of positions, 12 Months or More | security | 37 | 37
Fair value, 12 Months or More | $ 306,995 | $ 311,964
Unrealized Losses, 12 Months or More | $ (59,748) | $ (86,389)
Number of positions | security | 40 | 40
Fair Value | $ 334,815 | $ 360,843
Unrealized Losses | $ (59,903) | $ (86,871)
Held to Maturity: |  |
Number of positions, Less than 12 Months | security | 0 | 0
Fair Value, Less than 12 Months | $ 0 | $ 0
Unrealized Losses, Less than 12 Months | $ 0 | $ 0
Number of positions, 12 Months or More | security | 18 | 18
Fair value, 12 Months or More | $ 308,063 | $ 313,376
Unrealized Losses, 12 Months or More | $ (19,529) | $ (41,506)
Number of positions | security | 18 | 18
Fair Value | $ 308,063 | $ 313,376
Unrealized Losses | $ (19,529) | $ (41,506)
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises | Commercial mortgage backed securities: |  |
Available for Sale: |  |
Number of positions, Less than 12 Months | security | 9 | 2
Fair Value, Less than 12 Months | $ 28,319 | $ 7,681
Unrealized Losses, Less than 12 Months | $ (40) | $ (39)
Number of positions, 12 Months or More | security | 25 | 25
Fair value, 12 Months or More | $ 102,483 | $ 104,326
Unrealized Losses, 12 Months or More | $ (18,629) | $ (21,556)
Number of positions | security | 34 | 27
Fair Value | $ 130,802 | $ 112,007
Unrealized Losses | $ (18,669) | $ (21,595)
Held to Maturity: |  |
Number of positions, Less than 12 Months | security | 0 | 0
Fair Value, Less than 12 Months | $ 0 | $ 0
Unrealized Losses, Less than 12 Months | $ 0 | $ 0
Number of positions, 12 Months or More | security | 9 | 9
Fair value, 12 Months or More | $ 36,285 | $ 36,345
Unrealized Losses, 12 Months or More | $ (6,129) | $ (7,317)
Number of positions | security | 9 | 9
Fair Value | $ 36,285 | $ 36,345
Unrealized Losses | $ (6,129) | $ (7,317)

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