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Investment Securities - Schedule of Fair Value and Unrealized Loss on Debt Security Investments in a Continuous Unrealized Loss Position (Details)
Sep. 30, 2022
USD ($)
security
Dec. 31, 2021
USD ($)
security
Debt Securities, Available-for-Sale [Line Items]    
Available-for-sale securities, Less than 12 Months: Number of Securities | security 3 30
Available-for-sale securities, Less than 12 Months: Fair Value $ 2,523,000 $ 51,587,000
Available-for-sale securities, Less than 12 Months: Unrealized Losses $ 477,000 $ 351,000
Available-for-sale securities, 12 Months or More: Number of Securities | security 133 0
Available-for-sale securities, 12 Months or More: Fair Value $ 232,434,000 $ 0
Available-for-sale securities, 12 Months or More: Unrealized Losses $ 24,424,000 $ 0
Available-for-sale securities, Total: Number of Securities | security 136 30
Available-for-sale securities, Total: Fair Value $ 234,957,000 $ 51,587,000
Available-for-sale securities, Total: Unrealized Losses $ 24,901,000 $ 351,000
Schedule of Held-to-Maturity Securities [Line Items]    
Held-to-maturity securities, Less than 12 Months: Number of Securities | security 43 138
Held-to-maturity securities, Less than 12 Months: Fair Value $ 38,333,000 $ 201,650,000
Held-to-maturity securities, Less than 12 Months: Unrealized Losses $ 8,827,000 $ 1,533,000
Held-to-maturity securities, 12 Months or More: Number of Securities | security 379 1
Held-to-maturity securities, 12 Months or More: Fair Value $ 301,349,000 $ 255,000
Held-to-maturity securities, 12 Months or More: Unrealized Losses $ 46,693,000 $ 2,000
Held-to-maturity securities, Total: Number of Securities | security 422 139
Held-to-maturity securities, Total: Fair Value $ 339,682,000 $ 201,905,000
Held-to-maturity securities, Total: Unrealized Losses $ 55,520,000 $ 1,535,000
Available-for-sale securities and Held-to-maturity securities, Less than 12 Months: Number of Securities | security 46 168
Available-for-sale securities and Held-to-maturity securities, Less than 12 Months: Fair Value $ 40,856,000 $ 253,237,000
Available-for-sale securities and Held-to-maturity securities, Less than 12 Months: Unrealized Losses $ 9,304,000 $ 1,884,000
Available-for-sale securities and Held-to-maturity securities,, 12 Months or More: Number of Securities | security 512 1
Available-for-sale securities and Held-to-maturity securities, 12 Months or More: Fair Value $ 533,783,000 $ 255,000
Available-for-sale securities and Held-to-maturity securities, 12 Months or More: Unrealized Losses $ 71,117,000 $ 2,000
Available-for-sale securities and Held-to-maturity securities, Total: Number of Securities | security 558 169
Available-for-sale securities and Held-to-maturity securities, Total: Fair Value $ 574,639,000 $ 253,492,000
Available-for-sale securities and Held-to-maturity securities, Total: Unrealized Losses $ 80,421,000 $ 1,886,000
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 24
Available-for-sale securities, Less than 12 Months: Fair Value $ 0 $ 45,476,000
Available-for-sale securities, Less than 12 Months: Unrealized Losses $ 0 $ 283,000
Available-for-sale securities, 12 Months or More: Number of Securities | security 20 0
Available-for-sale securities, 12 Months or More: Fair Value $ 37,584,000 $ 0
Available-for-sale securities, 12 Months or More: Unrealized Losses $ 1,927,000 $ 0
Available-for-sale securities, Total: Number of Securities | security 20 24
Available-for-sale securities, Total: Fair Value $ 37,584,000 $ 45,476,000
Available-for-sale securities, Total: Unrealized Losses $ 1,927,000 $ 283,000
Schedule of Held-to-Maturity Securities [Line Items]    
Held-to-maturity securities, Less than 12 Months: Number of Securities | security 25 91
Held-to-maturity securities, Less than 12 Months: Fair Value $ 30,523,000 $ 149,425,000
Held-to-maturity securities, Less than 12 Months: Unrealized Losses $ 7,405,000 $ 1,165,000
Held-to-maturity securities, 12 Months or More: Number of Securities | security 119 0
Held-to-maturity securities, 12 Months or More: Fair Value $ 177,014,000 $ 0
Held-to-maturity securities, 12 Months or More: Unrealized Losses $ 28,697,000 $ 0
Held-to-maturity securities, Total: Number of Securities | security 144 91
Held-to-maturity securities, Total: Fair Value $ 207,537,000 $ 149,425,000
Held-to-maturity securities, Total: Unrealized Losses $ 36,102,000 $ 1,165,000
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 0  
Available-for-sale securities, Less than 12 Months: Fair Value $ 0  
Available-for-sale securities, Less than 12 Months: Unrealized Losses $ 0  
Available-for-sale securities, 12 Months or More: Number of Securities | security 91  
Available-for-sale securities, 12 Months or More: Fair Value $ 164,216,000  
Available-for-sale securities, 12 Months or More: Unrealized Losses $ 19,553,000  
Available-for-sale securities, Total: Number of Securities | security 91  
Available-for-sale securities, Total: Fair Value $ 164,216,000  
Available-for-sale securities, Total: Unrealized Losses $ 19,553,000  
Schedule of Held-to-Maturity Securities [Line Items]    
Held-to-maturity securities, Less than 12 Months: Number of Securities | security 1 24
Held-to-maturity securities, Less than 12 Months: Fair Value $ 316,000 $ 39,995,000
Held-to-maturity securities, Less than 12 Months: Unrealized Losses $ 43,000 $ 272,000
Held-to-maturity securities, 12 Months or More: Number of Securities | security 63 0
Held-to-maturity securities, 12 Months or More: Fair Value $ 45,147,000 $ 0
Held-to-maturity securities, 12 Months or More: Unrealized Losses $ 7,282,000 $ 0
Held-to-maturity securities, Total: Number of Securities | security 64 24
Held-to-maturity securities, Total: Fair Value $ 45,463,000 $ 39,995,000
Held-to-maturity securities, Total: Unrealized Losses $ 7,325,000 $ 272,000
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 2
Available-for-sale securities, Less than 12 Months: Fair Value $ 0 $ 1,168,000
Available-for-sale securities, Less than 12 Months: Unrealized Losses $ 0 $ 11,000
Available-for-sale securities, 12 Months or More: Number of Securities | security 8 0
Available-for-sale securities, 12 Months or More: Fair Value $ 3,374,000 $ 0
Available-for-sale securities, 12 Months or More: Unrealized Losses $ 986,000 $ 0
Available-for-sale securities, Total: Number of Securities | security 8 2
Available-for-sale securities, Total: Fair Value $ 3,374,000 $ 1,168,000
Available-for-sale securities, Total: Unrealized Losses $ 986,000 $ 11,000
Schedule of Held-to-Maturity Securities [Line Items]    
Held-to-maturity securities, Less than 12 Months: Number of Securities | security 12 17
Held-to-maturity securities, Less than 12 Months: Fair Value $ 2,338,000 $ 5,302,000
Held-to-maturity securities, Less than 12 Months: Unrealized Losses $ 535,000 $ 25,000
Held-to-maturity securities, 12 Months or More: Number of Securities | security 194 1
Held-to-maturity securities, 12 Months or More: Fair Value $ 74,435,000 $ 255,000
Held-to-maturity securities, 12 Months or More: Unrealized Losses $ 10,416,000 $ 2,000
Held-to-maturity securities, Total: Number of Securities | security 206 18
Held-to-maturity securities, Total: Fair Value $ 76,773,000 $ 5,557,000
Held-to-maturity securities, Total: Unrealized Losses $ 10,951,000 $ 27,000
Corporate debt securities    
Debt Securities, Available-for-Sale [Line Items]    
Available-for-sale securities, Less than 12 Months: Number of Securities | security 3 4
Available-for-sale securities, Less than 12 Months: Fair Value $ 2,523,000 $ 4,943,000
Available-for-sale securities, Less than 12 Months: Unrealized Losses $ 477,000 $ 57,000
Available-for-sale securities, 12 Months or More: Number of Securities | security 14 0
Available-for-sale securities, 12 Months or More: Fair Value $ 27,260,000 $ 0
Available-for-sale securities, 12 Months or More: Unrealized Losses $ 1,958,000 $ 0
Available-for-sale securities, Total: Number of Securities | security 17 4
Available-for-sale securities, Total: Fair Value $ 29,783,000 $ 4,943,000
Available-for-sale securities, Total: Unrealized Losses $ 2,435,000 $ 57,000
Schedule of Held-to-Maturity Securities [Line Items]    
Held-to-maturity securities, Less than 12 Months: Number of Securities | security 5 6
Held-to-maturity securities, Less than 12 Months: Fair Value $ 5,156,000 $ 6,928,000
Held-to-maturity securities, Less than 12 Months: Unrealized Losses $ 844,000 $ 71,000
Held-to-maturity securities, 12 Months or More: Number of Securities | security 3 0
Held-to-maturity securities, 12 Months or More: Fair Value $ 4,753,000 $ 0
Held-to-maturity securities, 12 Months or More: Unrealized Losses $ 298,000 $ 0
Held-to-maturity securities, Total: Number of Securities | security 8 6
Held-to-maturity securities, Total: Fair Value $ 9,909,000 $ 6,928,000
Held-to-maturity securities, Total: Unrealized Losses $ 1,142,000 $ 71,000