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Investment Securities - Schedule of Fair Value and Unrealized Loss on Debt Security Investments in a Continuous Unrealized Loss Position (Details) $ in Thousands | Sep. 30, 2024 USD ($) security | Dec. 31, 2023 USD ($) security
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Debt Securities, Available-for-Sale [Line Items] |  |
Available-for-sale securities, Less than 12 Months: Number of Securities | security | 7 | 2
Available-for-sale securities, Less than 12 Months: Fair Value | $ 51,838 | $ 4,425
Available-for-sale securities, Less than 12 Months: Unrealized Losses | $ 216 | $ 116
Available-for-sale securities, 12 Months or More: Number of Securities | security | 131 | 136
Available-for-sale securities, 12 Months or More: Fair Value | $ 203,389 | $ 219,130
Available-for-sale securities, 12 Months or More: Unrealized Losses | $ 16,388 | $ 22,215
Available-for-sale securities, Total: Number of Securities | security | 138 | 138
Available-for-sale securities, Total: Fair Value | $ 255,227 | $ 223,555
Available-for-sale securities, Total: Unrealized Losses | $ 16,604 | $ 22,331
Schedule of Held-to-Maturity Securities [Line Items] |  |
Held-to-maturity securities, Less than 12 Months: Number of Securities | security | 17 | 27
Held-to-maturity securities, Less than 12 Months: Fair Value | $ 14,381 | $ 11,667
Held-to-maturity securities, Less than 12 Months: Unrealized Losses | $ (12) | $ 120
Held-to-maturity securities, 12 Months or More: Number of Securities | security | 391 | 392
Held-to-maturity securities, 12 Months or More: Fair Value | $ 339,984 | $ 345,854
Held-to-maturity securities, 12 Months or More: Unrealized Losses | $ 32,265 | $ 41,500
Held-to-maturity securities, Total: Number of Securities | security | 408 | 419
Held-to-maturity securities, Total: Fair Value | $ 354,365 | $ 357,521
Held-to-maturity securities, Total: Unrealized Losses | $ 32,253 | $ 41,620
Available-for-sale securities and Held-to-maturity securities, Less than 12 Months: Number of Securities | security | 24 | 29
Available-for-sale securities and Held-to-maturity securities, Less than 12 Months: Fair Value | $ 66,219 | $ 16,092
Available-for-sale securities and Held-to-maturity securities, Less than 12 Months: Unrealized Losses | $ 204 | $ 236
Available-for-sale securities and Held-to-maturity securities,, 12 Months or More: Number of Securities | security | 522 | 528
Available-for-sale securities and Held-to-maturity securities, 12 Months or More: Fair Value | $ 543,373 | $ 564,984
Available-for-sale securities and Held-to-maturity securities, 12 Months or More: Unrealized Losses | $ 48,653 | $ 63,715
Available-for-sale securities and Held-to-maturity securities, Total: Number of Securities | security | 546 | 557
Available-for-sale securities and Held-to-maturity securities, Total: Fair Value | $ 609,592 | $ 581,076
Available-for-sale securities and Held-to-maturity securities, Total: Unrealized Losses | $ 48,857 | $ 63,951
U.S. Treasury and U.S. government agencies |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Available-for-sale securities, Less than 12 Months: Number of Securities | security | 0 | 0
Available-for-sale securities, Less than 12 Months: Fair Value | $ 0 | $ 0
Available-for-sale securities, Less than 12 Months: Unrealized Losses | $ 0 | $ 0
Available-for-sale securities, 12 Months or More: Number of Securities | security | 15 | 19
Available-for-sale securities, 12 Months or More: Fair Value | $ 27,236 | $ 35,649
Available-for-sale securities, 12 Months or More: Unrealized Losses | $ 484 | $ 988
Available-for-sale securities, Total: Number of Securities | security | 15 | 19
Available-for-sale securities, Total: Fair Value | $ 27,236 | $ 35,649
Available-for-sale securities, Total: Unrealized Losses | $ 484 | $ 988
Schedule of Held-to-Maturity Securities [Line Items] |  |
Held-to-maturity securities, Less than 12 Months: Number of Securities | security | 0 | 1
Held-to-maturity securities, Less than 12 Months: Fair Value | $ 0 | $ 2,002
Held-to-maturity securities, Less than 12 Months: Unrealized Losses | $ 0 | $ 0
Held-to-maturity securities, 12 Months or More: Number of Securities | security | 143 | 144
Held-to-maturity securities, 12 Months or More: Fair Value | $ 220,444 | $ 215,129
Held-to-maturity securities, 12 Months or More: Unrealized Losses | $ 21,463 | $ 28,676
Held-to-maturity securities, Total: Number of Securities | security | 143 | 145
Held-to-maturity securities, Total: Fair Value | $ 220,444 | $ 217,131
Held-to-maturity securities, Total: Unrealized Losses | $ 21,463 | $ 28,676
Mortgage-backed U.S. government agencies |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Available-for-sale securities, Less than 12 Months: Number of Securities | security | 6 | 1
Available-for-sale securities, Less than 12 Months: Fair Value | $ 51,410 | $ 4,015
Available-for-sale securities, Less than 12 Months: Unrealized Losses | $ 144 | $ 26
Available-for-sale securities, 12 Months or More: Number of Securities | security | 91 | 92
Available-for-sale securities, 12 Months or More: Fair Value | $ 140,752 | $ 148,668
Available-for-sale securities, 12 Months or More: Unrealized Losses | $ 11,744 | $ 16,475
Available-for-sale securities, Total: Number of Securities | security | 97 | 93
Available-for-sale securities, Total: Fair Value | $ 192,162 | $ 152,683
Available-for-sale securities, Total: Unrealized Losses | $ 11,888 | $ 16,501
Schedule of Held-to-Maturity Securities [Line Items] |  |
Held-to-maturity securities, Less than 12 Months: Number of Securities | security | 2 | 0
Held-to-maturity securities, Less than 12 Months: Fair Value | $ 174 | $ 0
Held-to-maturity securities, Less than 12 Months: Unrealized Losses | $ 0 | $ 0
Held-to-maturity securities, 12 Months or More: Number of Securities | security | 62 | 64
Held-to-maturity securities, 12 Months or More: Fair Value | $ 34,806 | $ 38,295
Held-to-maturity securities, 12 Months or More: Unrealized Losses | $ 4,233 | $ 5,523
Held-to-maturity securities, Total: Number of Securities | security | 64 | 64
Held-to-maturity securities, Total: Fair Value | $ 34,980 | $ 38,295
Held-to-maturity securities, Total: Unrealized Losses | $ 4,233 | $ 5,523
State and political subdivision obligations |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Available-for-sale securities, Less than 12 Months: Number of Securities | security | 0 | 0
Available-for-sale securities, Less than 12 Months: Fair Value | $ 0 | $ 0
Available-for-sale securities, Less than 12 Months: Unrealized Losses | $ 0 | $ 0
Available-for-sale securities, 12 Months or More: Number of Securities | security | 8 | 8
Available-for-sale securities, 12 Months or More: Fair Value | $ 3,761 | $ 3,646
Available-for-sale securities, 12 Months or More: Unrealized Losses | $ 554 | $ 686
Available-for-sale securities, Total: Number of Securities | security | 8 | 8
Available-for-sale securities, Total: Fair Value | $ 3,761 | $ 3,646
Available-for-sale securities, Total: Unrealized Losses | $ 554 | $ 686
Schedule of Held-to-Maturity Securities [Line Items] |  |
Held-to-maturity securities, Less than 12 Months: Number of Securities | security | 11 | 25
Held-to-maturity securities, Less than 12 Months: Fair Value | $ 3,707 | $ 8,729
Held-to-maturity securities, Less than 12 Months: Unrealized Losses | $ (12) | $ 63
Held-to-maturity securities, 12 Months or More: Number of Securities | security | 175 | 170
Held-to-maturity securities, 12 Months or More: Fair Value | $ 71,097 | $ 68,831
Held-to-maturity securities, 12 Months or More: Unrealized Losses | $ 5,250 | $ 6,423
Held-to-maturity securities, Total: Number of Securities | security | 186 | 195
Held-to-maturity securities, Total: Fair Value | $ 74,804 | $ 77,560
Held-to-maturity securities, Total: Unrealized Losses | $ 5,238 | $ 6,486
Corporate debt securities |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Available-for-sale securities, Less than 12 Months: Number of Securities | security | 1 | 1
Available-for-sale securities, Less than 12 Months: Fair Value | $ 428 | $ 410
Available-for-sale securities, Less than 12 Months: Unrealized Losses | $ 72 | $ 90
Available-for-sale securities, 12 Months or More: Number of Securities | security | 17 | 17
Available-for-sale securities, 12 Months or More: Fair Value | $ 31,640 | $ 31,167
Available-for-sale securities, 12 Months or More: Unrealized Losses | $ 3,606 | $ 4,066
Available-for-sale securities, Total: Number of Securities | security | 18 | 18
Available-for-sale securities, Total: Fair Value | $ 32,068 | $ 31,577
Available-for-sale securities, Total: Unrealized Losses | $ 3,678 | $ 4,156
Schedule of Held-to-Maturity Securities [Line Items] |  |
Held-to-maturity securities, Less than 12 Months: Number of Securities | security | 4 | 1
Held-to-maturity securities, Less than 12 Months: Fair Value | $ 10,500 | $ 936
Held-to-maturity securities, Less than 12 Months: Unrealized Losses | $ 0 | $ 57
Held-to-maturity securities, 12 Months or More: Number of Securities | security | 11 | 14
Held-to-maturity securities, 12 Months or More: Fair Value | $ 13,637 | $ 23,599
Held-to-maturity securities, 12 Months or More: Unrealized Losses | $ 1,319 | $ 878
Held-to-maturity securities, Total: Number of Securities | security | 15 | 15
Held-to-maturity securities, Total: Fair Value | $ 24,137 | $ 24,535
Held-to-maturity securities, Total: Unrealized Losses | $ 1,319 | $ 935

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