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Investment Securities - Unrealized Losses (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Fair Value |  |
Less than 12 months | $ 13,639 | $ 129,820
12 months or more | 219,542 | 119,799
Total Fair Value | 233,181 | 249,619
Unrealized Losses |  |
Less than 12 months | (701) | (19,994)
12 months or more | (55,762) | (26,415)
Total Unrealized Losses | (56,463) | (46,409)
U.S. Treasury |  |
Fair Value |  |
Less than 12 months | 3,568 | 1,908
12 months or more | 1,300 | 244
Total Fair Value | 4,868 | 2,152
Unrealized Losses |  |
Less than 12 months | (10) | (41)
12 months or more | (30) | (5)
Total Unrealized Losses | (40) | (46)
U.S. government and federal agency obligations |  |
Fair Value |  |
Less than 12 months | 0 | 559
12 months or more | 420 | 0
Total Fair Value | 420 | 559
Unrealized Losses |  |
Less than 12 months | 0 | (32)
12 months or more | (26) | 0
Total Unrealized Losses | (26) | (32)
U.S. government-sponsored enterprises |  |
Fair Value |  |
Less than 12 months | 985 | 7,066
12 months or more | 23,877 | 16,711
Total Fair Value | 24,862 | 23,777
Unrealized Losses |  |
Less than 12 months | (15) | (933)
12 months or more | (2,622) | (1,789)
Total Unrealized Losses | (2,637) | (2,722)
Obligations of states and political subdivisions |  |
Fair Value |  |
Less than 12 months | 3,326 | 79,396
12 months or more | 95,609 | 29,370
Total Fair Value | 98,935 | 108,766
Unrealized Losses |  |
Less than 12 months | (380) | (15,421)
12 months or more | (32,382) | (10,133)
Total Unrealized Losses | (32,762) | (25,554)
Mortgage-backed securities |  |
Fair Value |  |
Less than 12 months | 5,760 | 33,334
12 months or more | 86,648 | 68,911
Total Fair Value | 92,408 | 102,245
Unrealized Losses |  |
Less than 12 months | (296) | (3,124)
12 months or more | (19,079) | (13,740)
Total Unrealized Losses | (19,375) | (16,864)
Other debt securities |  |
Fair Value |  |
Less than 12 months | 0 | 7,557
12 months or more | 10,534 | 3,386
Total Fair Value | 10,534 | 10,943
Unrealized Losses |  |
Less than 12 months | 0 | (443)
12 months or more | (1,291) | (439)
Total Unrealized Losses | (1,291) | (882)
Bank issued trust preferred securities |  |
Fair Value |  |
Less than 12 months | 0 | 0
12 months or more | 1,154 | 1,177
Total Fair Value | 1,154 | 1,177
Unrealized Losses |  |
Less than 12 months | 0 | 0
12 months or more | (332) | (309)
Total Unrealized Losses | $ (332) | $ (309)

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