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Investment Securities (Gross Unrealized Losses and Fair Value by Length of Continuous Unrealized Loss Position) (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
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Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value |  | $ 17,175
Available-for-sale securities, continuous unrealized loss position, less than 12 Months, unrealized losses |  | 32
Available-for-sale securities, continuous unrealized loss position, more than 12 Months, fair value | $ 5,012 | 40,798
Available-for-sale securities, continuous unrealized loss position, more than 12 Months, unrealized losses | 25 | 246
Available-for-sale securities, continuous unrealized loss position, fair value | 5,012 | 57,973
Available-for-sale securities, continuous unrealized loss position, unrealized losses | 25 | 278
Held-to-maturity securities, continuous unrealized loss position, less than 12 Months, fair value |  | 5,286
Held-to-maturity securities, continuous unrealized loss position, less than 12 Months, unrealized losses |  | 100
Held-to-maturity securities, continuous unrealized loss position, more than 12 Months, fair value | 2,967 | 2,967
Held-to-maturity securities, continuous unrealized loss position, more than 12 Months, unrealized losses | 33 | 33
Held-to-maturity securities, continuous unrealized loss position, fair value | 2,967 | 8,253
Held-to-maturity securities, continuous unrealized loss position, unrealized losses | 33 | 133
Collateralized Mortgage Backed Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value |  | 12,180
Available-for-sale securities, continuous unrealized loss position, less than 12 Months, unrealized losses |  | 27
Available-for-sale securities, continuous unrealized loss position, more than 12 Months, fair value | 4,605 | 22,282
Available-for-sale securities, continuous unrealized loss position, more than 12 Months, unrealized losses | 22 | 220
Available-for-sale securities, continuous unrealized loss position, fair value | 4,605 | 34,462
Available-for-sale securities, continuous unrealized loss position, unrealized losses | 22 | 247
U.S. Government Agencies [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value |  | 4,995
Available-for-sale securities, continuous unrealized loss position, less than 12 Months, unrealized losses |  | 5
Available-for-sale securities, continuous unrealized loss position, more than 12 Months, fair value | 407 | 18,516
Available-for-sale securities, continuous unrealized loss position, more than 12 Months, unrealized losses | 3 | 26
Available-for-sale securities, continuous unrealized loss position, fair value | 407 | 23,511
Available-for-sale securities, continuous unrealized loss position, unrealized losses | 3 | 31
Held-to-maturity securities, continuous unrealized loss position, less than 12 Months, fair value |  | 1,381
Held-to-maturity securities, continuous unrealized loss position, less than 12 Months, unrealized losses |  | 5
Held-to-maturity securities, continuous unrealized loss position, fair value |  | 1,381
Held-to-maturity securities, continuous unrealized loss position, unrealized losses |  | 5
Other Debt Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Held-to-maturity securities, continuous unrealized loss position, less than 12 Months, fair value |  | 3,905
Held-to-maturity securities, continuous unrealized loss position, less than 12 Months, unrealized losses |  | 95
Held-to-maturity securities, continuous unrealized loss position, more than 12 Months, fair value | 2,967 | 2,967
Held-to-maturity securities, continuous unrealized loss position, more than 12 Months, unrealized losses | 33 | 33
Held-to-maturity securities, continuous unrealized loss position, fair value | 2,967 | 6,872
Held-to-maturity securities, continuous unrealized loss position, unrealized losses | $ 33 | $ 128

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