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Investment Securities (Details 2) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
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Marketable Securities [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | $ 25,547 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 113 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 9,035 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 68 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 34,582 |
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | 181 |
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Marketable Securities [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 22,050 | $ 57,175
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 103 | 485
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 5,601 | 12,419
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 51 | 155
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 27,651 | 69,594
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | 154 | 640
Small Business Administration pools [Member] |  |
Marketable Securities [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 1,213 | 7,891
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 2 | 53
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 3,434 | 13,502
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 17 | 164
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 4,647 | 21,393
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | 19 | 217
US States and Political Subdivisions Debt Securities [Member] |  |
Marketable Securities [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 1,009 | 5,695
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 141
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 1,009 | 5,695
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss |  | 141
Corporate and other securities [Member] |  |
Marketable Securities [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 1,275 |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 8 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 1,275 |
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ 8 |
US Treasury Securities [Member] |  |
Marketable Securities [Line Items] |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |  | 1,508
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  | 3
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |  | 1,508
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss |  | $ 3

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