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Investment Securities (Schedule of Fair Value and Unrealized Loss on Investments in a Continuous Unrealized Loss Position) (Details) $ in Thousands | Dec. 31, 2020 USD ($) security | Dec. 31, 2019 USD ($) security
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Schedule of Investments [Line Items] |  |
Available for sale securities, Less than 12 Months: Number of Securities | security | 2 | 5
Available for sale securities, Less than 12 Months: Fair Value | $ 3,497 | $ 6,295
Available for sale securities, Less than 12 Months: Unrealized Losses | $ 4 | $ 28
Available for sale securities, 12 Months or More: Number of Securities | security | 0 | 21
Available for sale securities, 12 Months or More: Fair Value |  | $ 22,585
Available for sale securities, 12 Months or More: Unrealized Losses |  | $ 155
Available for sale securities, Total: Number of Securities | security | 2 | 26
Available for sale securities, Total: Fair Value | $ 3,497 | $ 28,880
Available for sale securities, Total: Unrealized Losses | $ 4 | $ 183
Held to maturity securities, Less than 12 Months: Number of Securities | security | 11 | 27
Held to maturity securities, Less than 12 Months: Fair Value | $ 6,586 | $ 38,852
Held to maturity securities, Less than 12 Months: Unrealized Losses | $ 22 | $ 267
Held to maturity securities, 12 Months or More: Number of Securities | security | 0 | 14
Held to maturity securities, 12 Months or More: Fair Value |  | $ 14,049
Held to maturity securities, 12 Months or More: Unrealized Losses |  | $ 68
Held to maturity securities, Total: Number of Securities | security | 11 | 41
Held to maturity securities, Total: Fair Value | $ 6,586 | $ 52,901
Held to maturity securities, Total: Unrealized Losses | $ 22 | $ 335
Available for sale securities and Held to maturity securities, Less than 12 Months: Number of Securities | security | 13 | 32
Available for sale securities and Held to maturity securities, Less than 12 Months: Fair Value | $ 10,083 | $ 45,147
Available for sale securities and Held to maturity securities, Less than 12 Months: Unrealized Losses | $ 26 | $ 295
Available for sale securities and Held to maturity securities,, 12 Months or More: Number of Securities | security | 0 | 35
Available for sale securities and Held to maturity securities, 12 Months or More: Fair Value |  | $ 36,634
Available for sale securities and Held to maturity securities, 12 Months or More: Unrealized Losses |  | $ 223
Available for sale securities and Held to maturity securities, Total: Number of Securities | security | 13 | 67
Available for sale securities and Held to maturity securities, Total: Fair Value | $ 10,083 | $ 81,781
Available for sale securities and Held to maturity securities, Total: Unrealized Losses | $ 26 | $ 518
U.S. Government Agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Available for sale securities, Less than 12 Months: Number of Securities | security |  | 4
Available for sale securities, Less than 12 Months: Fair Value |  | $ 4,652
Available for sale securities, Less than 12 Months: Unrealized Losses |  | $ 24
Available for sale securities, 12 Months or More: Number of Securities | security |  | 7
Available for sale securities, 12 Months or More: Fair Value |  | $ 11,982
Available for sale securities, 12 Months or More: Unrealized Losses |  | $ 46
Available for sale securities, Total: Number of Securities | security |  | 11
Available for sale securities, Total: Fair Value |  | $ 16,634
Available for sale securities, Total: Unrealized Losses |  | $ 70
Mortgage-backed U.S. Government Agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Available for sale securities, Less than 12 Months: Number of Securities | security |  | 1
Available for sale securities, Less than 12 Months: Fair Value |  | $ 1,643
Available for sale securities, Less than 12 Months: Unrealized Losses |  | $ 4
Available for sale securities, 12 Months or More: Number of Securities | security |  | 14
Available for sale securities, 12 Months or More: Fair Value |  | $ 10,603
Available for sale securities, 12 Months or More: Unrealized Losses |  | $ 109
Available for sale securities, Total: Number of Securities | security |  | 15
Available for sale securities, Total: Fair Value |  | $ 12,246
Available for sale securities, Total: Unrealized Losses |  | $ 113
Held to maturity securities, Less than 12 Months: Number of Securities | security | 8 | 6
Held to maturity securities, Less than 12 Months: Fair Value | $ 5,336 | $ 8,445
Held to maturity securities, Less than 12 Months: Unrealized Losses | $ 15 | $ 35
Held to maturity securities, 12 Months or More: Number of Securities | security | 0 | 13
Held to maturity securities, 12 Months or More: Fair Value |  | $ 11,050
Held to maturity securities, 12 Months or More: Unrealized Losses |  | $ 67
Held to maturity securities, Total: Number of Securities | security | 8 | 19
Held to maturity securities, Total: Fair Value | $ 5,336 | $ 19,495
Held to maturity securities, Total: Unrealized Losses | $ 15 | $ 102
Corporate debt securities [Member] |  |
Schedule of Investments [Line Items] |  |
Available for sale securities, Less than 12 Months: Number of Securities | security | 2 |
Available for sale securities, Less than 12 Months: Fair Value | $ 3,497 |
Available for sale securities, Less than 12 Months: Unrealized Losses | $ 4 |
Available for sale securities, 12 Months or More: Number of Securities | security | 0 |
Available for sale securities, Total: Number of Securities | security | 2 |
Available for sale securities, Total: Fair Value | $ 3,497 |
Available for sale securities, Total: Unrealized Losses | $ 4 |
Held to maturity securities, Less than 12 Months: Number of Securities | security | 1 |
Held to maturity securities, Less than 12 Months: Fair Value | $ 449 |
Held to maturity securities, Less than 12 Months: Unrealized Losses | $ 1 |
Held to maturity securities, 12 Months or More: Number of Securities | security | 0 |
Held to maturity securities, Total: Number of Securities | security | 1 |
Held to maturity securities, Total: Fair Value | $ 449 |
Held to maturity securities, Total: Unrealized Losses | $ 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 |  | 18
Held to maturity securities, Less than 12 Months: Fair Value |  | $ 29,024
Held to maturity securities, Less than 12 Months: Unrealized Losses |  | $ 219
Held to maturity securities, 12 Months or More: Number of Securities | security |  | 1
Held to maturity securities, 12 Months or More: Fair Value |  | $ 2,999
Held to maturity securities, 12 Months or More: Unrealized Losses |  | $ 1
Held to maturity securities, Total: Number of Securities | security |  | 19
Held to maturity securities, Total: Fair Value |  | $ 32,023
Held to maturity securities, Total: Unrealized Losses |  | $ 220
State and political subdivision obligations [Member] |  |
Schedule of Investments [Line Items] |  |
Held to maturity securities, Less than 12 Months: Number of Securities | security | 2 | 3
Held to maturity securities, Less than 12 Months: Fair Value | $ 801 | $ 1,383
Held to maturity securities, Less than 12 Months: Unrealized Losses | $ 6 | $ 13
Held to maturity securities, 12 Months or More: Number of Securities | security | 0 | 0
Held to maturity securities, Total: Number of Securities | security | 2 | 3
Held to maturity securities, Total: Fair Value | $ 801 | $ 1,383
Held to maturity securities, Total: Unrealized Losses | $ 6 | $ 13

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