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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
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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

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