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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
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