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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, 2021 USD ($) security | Dec. 31, 2020 USD ($) security
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Schedule of Investments [Line Items] |  |
Available-for-sale securities, Less than 12 Months: Number of Securities | security | 3 | 2
Available-for-sale securities, Less than 12 Months: Fair Value | $ 2,982 | $ 3,497
Available-for-sale securities, Less than 12 Months: Unrealized Losses | $ 18 | $ 4
Available-for-sale securities, 12 Months or More: Number of Securities | security | 0 | 0
Available-for-sale securities, Total: Number of Securities | security | 3 | 2
Available-for-sale securities, Total: Fair Value | $ 2,982 | $ 3,497
Available-for-sale securities, Total: Unrealized Losses | $ 18 | $ 4
Held-to-maturity securities, Less than 12 Months: Number of Securities | security | 46 | 11
Held-to-maturity securities, Less than 12 Months: Fair Value | $ 47,937 | $ 6,586
Held-to-maturity securities, Less than 12 Months: Unrealized Losses | $ 444 | $ 22
Held-to-maturity securities, 12 Months or More: Number of Securities | security | 1 | 0
Held-to-maturity securities, 12 Months or More: Fair Value | $ 250 |
Held-to-maturity securities, 12 Months or More: Unrealized Losses | $ 7 |
Held-to-maturity securities, Total: Number of Securities | security | 47 | 11
Held-to-maturity securities, Total: Fair Value | $ 48,187 | $ 6,586
Held-to-maturity securities, Total: Unrealized Losses | $ 451 | $ 22
Available-for-sale securities and Held-to-maturity securities, Less than 12 Months: Number of Securities | security | 49 | 13
Available-for-sale securities and Held-to-maturity securities, Less than 12 Months: Fair Value | $ 50,919 | $ 10,083
Available-for-sale securities and Held-to-maturity securities, Less than 12 Months: Unrealized Losses | $ 462 | $ 26
Available-for-sale securities and Held-to-maturity securities,, 12 Months or More: Number of Securities | security | 1 | 0
Available-for-sale securities and Held-to-maturity securities, 12 Months or More: Fair Value | $ 250 |
Available-for-sale securities and Held-to-maturity securities, 12 Months or More: Unrealized Losses | $ 7 |
Available-for-sale securities and Held-to-maturity securities, Total: Number of Securities | security | 50 | 13
Available-for-sale securities and Held-to-maturity securities, Total: Fair Value | $ 51,169 | $ 10,083
Available-for-sale securities and Held-to-maturity securities, Total: Unrealized Losses | $ 469 | $ 26
Corporate debt securities [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale securities, Less than 12 Months: Number of Securities | security | 3 | 2
Available-for-sale securities, Less than 12 Months: Fair Value | $ 2,982 | $ 3,497
Available-for-sale securities, Less than 12 Months: Unrealized Losses | $ 18 | $ 4
Available-for-sale securities, 12 Months or More: Number of Securities | security | 0 | 0
Available-for-sale securities, Total: Number of Securities | security | 3 | 2
Available-for-sale securities, Total: Fair Value | $ 2,982 | $ 3,497
Available-for-sale securities, Total: Unrealized Losses | $ 18 | $ 4
Held-to-maturity securities, Less than 12 Months: Number of Securities | security | 5 | 1
Held-to-maturity securities, Less than 12 Months: Fair Value | $ 5,924 | $ 449
Held-to-maturity securities, Less than 12 Months: Unrealized Losses | $ 75 | $ 1
Held-to-maturity securities, 12 Months or More: Number of Securities | security | 0 | 0
Held-to-maturity securities, Total: Number of Securities | security | 5 | 1
Held-to-maturity securities, Total: Fair Value | $ 5,924 | $ 449
Held-to-maturity securities, Total: Unrealized Losses | $ 75 | $ 1
U.S. Treasury and U.S. government agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Held-to-maturity securities, Less than 12 Months: Number of Securities | security | 25 |
Held-to-maturity securities, Less than 12 Months: Fair Value | $ 37,598 |
Held-to-maturity securities, Less than 12 Months: Unrealized Losses | $ 334 |
Held-to-maturity securities, 12 Months or More: Number of Securities | security | 0 |
Held-to-maturity securities, Total: Number of Securities | security | 25 |
Held-to-maturity securities, Total: Fair Value | $ 37,598 |
Held-to-maturity securities, Total: Unrealized Losses | $ 334 |
Mortgage-backed U.S. Government Agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Held-to-maturity securities, Less than 12 Months: Number of Securities | security | 2 | 8
Held-to-maturity securities, Less than 12 Months: Fair Value | $ 566 | $ 5,336
Held-to-maturity securities, Less than 12 Months: Unrealized Losses | $ 3 | $ 15
Held-to-maturity securities, 12 Months or More: Number of Securities | security | 0 | 0
Held-to-maturity securities, Total: Number of Securities | security | 2 | 8
Held-to-maturity securities, Total: Fair Value | $ 566 | $ 5,336
Held-to-maturity securities, Total: Unrealized Losses | $ 3 | $ 15
State and political subdivision obligations [Member] |  |
Schedule of Investments [Line Items] |  |
Held-to-maturity securities, Less than 12 Months: Number of Securities | security | 14 | 2
Held-to-maturity securities, Less than 12 Months: Fair Value | $ 3,849 | $ 801
Held-to-maturity securities, Less than 12 Months: Unrealized Losses | $ 32 | $ 6
Held-to-maturity securities, 12 Months or More: Number of Securities | security | 1 | 0
Held-to-maturity securities, 12 Months or More: Fair Value | $ 250 |
Held-to-maturity securities, 12 Months or More: Unrealized Losses | $ 7 |
Held-to-maturity securities, Total: Number of Securities | security | 15 | 2
Held-to-maturity securities, Total: Fair Value | $ 4,099 | $ 801
Held-to-maturity securities, Total: Unrealized Losses | $ 39 | $ 6

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