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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
Mar. 31, 2022
USD ($)
security
Dec. 31, 2021
USD ($)
security
Schedule of Investments [Line Items]    
Available-for-sale securities, Less than 12 Months: Number of Securities | security 77 30
Available-for-sale securities, Less than 12 Months: Fair Value $ 129,718 $ 51,587
Available-for-sale securities, Less than 12 Months: Unrealized Losses $ 6,942 $ 351
Available-for-sale securities, 12 Months or More: Number of Securities | security 0 0
Available-for-sale securities, Total: Number of Securities | security 77 30
Available-for-sale securities, Total: Fair Value $ 129,718 $ 51,587
Available-for-sale securities, Total: Unrealized Losses $ 6,942 $ 351
Held-to-maturity securities, Less than 12 Months: Number of Securities | security 325 138
Held-to-maturity securities, Less than 12 Months: Fair Value $ 306,550 $ 201,650
Held-to-maturity securities, Less than 12 Months: Unrealized Losses $ 19,321 $ 1,533
Held-to-maturity securities, 12 Months or More: Number of Securities | security 10 1
Held-to-maturity securities, 12 Months or More: Fair Value $ 11,187 $ 255
Held-to-maturity securities, 12 Months or More: Unrealized Losses $ 1,042 $ 2
Held-to-maturity securities, Total: Number of Securities | security 335 139
Held-to-maturity securities, Total: Fair Value $ 317,737 $ 201,905
Held-to-maturity securities, Total: Unrealized Losses $ 20,363 $ 1,535
Available-for-sale securities and Held-to-maturity securities, Less than 12 Months: Number of Securities | security 402 168
Available-for-sale securities and Held-to-maturity securities, Less than 12 Months: Fair Value $ 436,268 $ 253,237
Available-for-sale securities and Held-to-maturity securities, Less than 12 Months: Unrealized Losses $ 26,263 $ 1,884
Available-for-sale securities and Held-to-maturity securities,, 12 Months or More: Number of Securities | security 10 1
Available-for-sale securities and Held-to-maturity securities, 12 Months or More: Fair Value $ 11,187 $ 255
Available-for-sale securities and Held-to-maturity securities, 12 Months or More: Unrealized Losses $ 1,042 $ 2
Available-for-sale securities and Held-to-maturity securities, Total: Number of Securities | security 412 169
Available-for-sale securities and Held-to-maturity securities, Total: Fair Value $ 447,455 $ 253,492
Available-for-sale securities and Held-to-maturity securities, Total: Unrealized Losses $ 27,305 $ 1,886
U.S. Treasury and U.S. government agencies [Member]    
Schedule of Investments [Line Items]    
Available-for-sale securities, Less than 12 Months: Number of Securities | security 4 24
Available-for-sale securities, Less than 12 Months: Fair Value $ 7,326 $ 45,476
Available-for-sale securities, Less than 12 Months: Unrealized Losses $ 174 $ 283
Available-for-sale securities, 12 Months or More: Number of Securities | security 0 0
Available-for-sale securities, Total: Number of Securities | security 4 24
Available-for-sale securities, Total: Fair Value $ 7,326 $ 45,476
Available-for-sale securities, Total: Unrealized Losses $ 174 $ 283
Held-to-maturity securities, Less than 12 Months: Number of Securities | security 117 91
Held-to-maturity securities, Less than 12 Months: Fair Value $ 185,228 $ 149,425
Held-to-maturity securities, Less than 12 Months: Unrealized Losses $ 12,316 $ 1,165
Held-to-maturity securities, 12 Months or More: Number of Securities | security 5 0
Held-to-maturity securities, 12 Months or More: Fair Value $ 7,684  
Held-to-maturity securities, 12 Months or More: Unrealized Losses $ 811  
Held-to-maturity securities, Total: Number of Securities | security 122 91
Held-to-maturity securities, Total: Fair Value $ 192,912 $ 149,425
Held-to-maturity securities, Total: Unrealized Losses $ 13,127 $ 1,165
Mortgage-backed U.S. Government Agencies [Member]    
Schedule of Investments [Line Items]    
Available-for-sale securities, Less than 12 Months: Number of Securities | security 58  
Available-for-sale securities, Less than 12 Months: Fair Value $ 106,050  
Available-for-sale securities, Less than 12 Months: Unrealized Losses $ 5,740  
Available-for-sale securities, 12 Months or More: Number of Securities | security 0  
Available-for-sale securities, Total: Number of Securities | security 58  
Available-for-sale securities, Total: Fair Value $ 106,050  
Available-for-sale securities, Total: Unrealized Losses $ 5,740  
Held-to-maturity securities, Less than 12 Months: Number of Securities | security 60 24
Held-to-maturity securities, Less than 12 Months: Fair Value $ 54,163 $ 39,995
Held-to-maturity securities, Less than 12 Months: Unrealized Losses $ 3,136 $ 272
Held-to-maturity securities, 12 Months or More: Number of Securities | security 0 0
Held-to-maturity securities, Total: Number of Securities | security 60 24
Held-to-maturity securities, Total: Fair Value $ 54,163 $ 39,995
Held-to-maturity securities, Total: Unrealized Losses $ 3,136 $ 272
State and political subdivision obligations [Member]    
Schedule of Investments [Line Items]    
Available-for-sale securities, Less than 12 Months: Number of Securities | security 8 2
Available-for-sale securities, Less than 12 Months: Fair Value $ 3,928 $ 1,168
Available-for-sale securities, Less than 12 Months: Unrealized Losses $ 443 $ 11
Available-for-sale securities, 12 Months or More: Number of Securities | security 0 0
Available-for-sale securities, Total: Number of Securities | security 8 2
Available-for-sale securities, Total: Fair Value $ 3,928 $ 1,168
Available-for-sale securities, Total: Unrealized Losses $ 443 $ 11
Held-to-maturity securities, Less than 12 Months: Number of Securities | security 143 17
Held-to-maturity securities, Less than 12 Months: Fair Value $ 61,324 $ 5,302
Held-to-maturity securities, Less than 12 Months: Unrealized Losses $ 3,643 $ 25
Held-to-maturity securities, 12 Months or More: Number of Securities | security 3 1
Held-to-maturity securities, 12 Months or More: Fair Value $ 665 $ 255
Held-to-maturity securities, 12 Months or More: Unrealized Losses $ 69 $ 2
Held-to-maturity securities, Total: Number of Securities | security 146 18
Held-to-maturity securities, Total: Fair Value $ 61,989 $ 5,557
Held-to-maturity securities, Total: Unrealized Losses $ 3,712 $ 27
Corporate debt securities [Member]    
Schedule of Investments [Line Items]    
Available-for-sale securities, Less than 12 Months: Number of Securities | security 7 4
Available-for-sale securities, Less than 12 Months: Fair Value $ 12,414 $ 4,943
Available-for-sale securities, Less than 12 Months: Unrealized Losses $ 585 $ 57
Available-for-sale securities, 12 Months or More: Number of Securities | security 0 0
Available-for-sale securities, Total: Number of Securities | security 7 4
Available-for-sale securities, Total: Fair Value $ 12,414 $ 4,943
Available-for-sale securities, Total: Unrealized Losses $ 585 $ 57
Held-to-maturity securities, Less than 12 Months: Number of Securities | security 5 6
Held-to-maturity securities, Less than 12 Months: Fair Value $ 5,835 $ 6,928
Held-to-maturity securities, Less than 12 Months: Unrealized Losses $ 226 $ 71
Held-to-maturity securities, 12 Months or More: Number of Securities | security 2 0
Held-to-maturity securities, 12 Months or More: Fair Value $ 2,838  
Held-to-maturity securities, 12 Months or More: Unrealized Losses $ 162  
Held-to-maturity securities, Total: Number of Securities | security 7 6
Held-to-maturity securities, Total: Fair Value $ 8,673 $ 6,928
Held-to-maturity securities, Total: Unrealized Losses $ 388 $ 71