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Investments (Unrealized Gain (Loss) on Investments) (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 156,455 | $ 135,008
Gross Unrealized Gains | 2,608 | 697
Gross Unrealized Losses | 5,902 | 4,400
Fair Value | 153,161 | 131,305
OTTI in AOCL | (4,235) | (2,835)
Held-to-maturity Amortized cost | 69,221 | 93,979
Held-to-maturity Gross Unrealized Gains | 7,149 | 6,832
Held-to-maturity Gross Unrealized Losses |  | 155
Fair Value | 76,370 | 100,656
US government agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 65,942 | 39,987
Gross Unrealized Gains | 959 |
Gross Unrealized Losses | 30 | 93
Fair Value | 66,871 | 39,894
Held-to-maturity Amortized cost |  | 16,164
Held-to-maturity Gross Unrealized Gains |  | 659
Fair Value |  | 16,823
Residential mortgage-backed agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 13,037 | 4,917
Gross Unrealized Gains | 219 |
Gross Unrealized Losses | 93 | 17
Fair Value | 13,163 | 4,900
Held-to-maturity Amortized cost | 34,868 | 42,939
Held-to-maturity Gross Unrealized Gains | 1,157 | 469
Held-to-maturity Gross Unrealized Losses |  | 155
Fair Value | 36,025 | 43,253
Commercial mortgage-backed agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 33,566 | 27,634
Gross Unrealized Gains | 608 | 222
Gross Unrealized Losses | 14 | 92
Fair Value | 34,160 | 27,764
Held-to-maturity Amortized cost | 11,773 | 15,521
Held-to-maturity Gross Unrealized Gains | 615 | 344
Fair Value | 12,388 | 15,865
Collateralized mortgage obligations [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 15,226 | 29,903
Gross Unrealized Gains | 392 | 129
Gross Unrealized Losses |  | 109
Fair Value | 15,618 | 29,923
Held-to-maturity Amortized cost | 1,821 | 3,140
Held-to-maturity Gross Unrealized Gains | 98 | 3
Fair Value | 1,919 | 3,143
Obligations of states and political subdivisions [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 10,159 | 14,124
Gross Unrealized Gains | 430 | 346
Fair Value | 10,589 | 14,470
Held-to-maturity Amortized cost | 20,759 | 16,215
Held-to-maturity Gross Unrealized Gains | 5,279 | 5,357
Fair Value | 26,038 | 21,572
Collateralized debt obligations [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 18,525 | 18,443
Gross Unrealized Losses | 5,765 | 4,089
Fair Value | 12,760 | 14,354
OTTI in AOCL | $ (4,235) | $ (2,835)

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- Definition Accumulated other comprehensive loss related to portion of other than temporary impairment (OTTI) due to factors other than credit losses on debt securities categorized as available-for-sale that an entity does not intend to sell and which it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis of the debt security. The amount represented by this item is net of tax, as applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 9A -URI http://asc.fasb.org/extlink&oid=121553693&loc=SL6284427-111562 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aaa) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669686-108580 + Details
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