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Investments (Unrealized Gain (Loss) on Investments) (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 214,364 | $ 230,464
Gross Unrealized Gains | 1,446 | 2,164
Gross Unrealized Losses | 11,804 | 5,743
Fair Value | 204,006 | 226,885
OTTI in AOCL | (3,526) | (3,839)
Held-to-maturity Amortized cost | 69,357 | 68,263
Held-to-maturity Gross Unrealized Gains | 8,677 | 9,387
Held-to-maturity Gross Unrealized Losses | 463 | 38
Fair Value | 77,571 | 77,612
U.S. government agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 63,646 | 75,856
Gross Unrealized Gains | 545 | 899
Gross Unrealized Losses | 3,155 | 322
Fair Value | 61,036 | 76,433
Residential mortgage-backed agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 22,606 | 22,999
Gross Unrealized Losses | 784 | 100
Fair Value | 21,822 | 22,899
Held-to-maturity Amortized cost | 38,470 | 34,597
Held-to-maturity Gross Unrealized Gains | 1,057 | 1,173
Held-to-maturity Gross Unrealized Losses | 463 | 38
Fair Value | 39,064 | 35,732
Commercial mortgage-backed agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 33,257 | 32,549
Gross Unrealized Gains | 274 | 529
Gross Unrealized Losses | 774 | 36
Fair Value | 32,757 | 33,042
Held-to-maturity Amortized cost | 9,795 | 11,716
Held-to-maturity Gross Unrealized Gains | 433 | 587
Fair Value | 10,228 | 12,303
Collateralized mortgage obligations [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 66,866 | 70,372
Gross Unrealized Gains | 217 | 266
Gross Unrealized Losses | 2,184 | 1
Fair Value | 64,899 | 70,637
Held-to-maturity Amortized cost | 490 | 1,348
Held-to-maturity Gross Unrealized Gains | 8 | 58
Fair Value | 498 | 1,406
Obligations of states and political subdivisions [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 9,433 | 10,144
Gross Unrealized Gains | 410 | 470
Fair Value | 9,843 | 10,614
Held-to-maturity Amortized cost | 20,602 | 20,602
Held-to-maturity Gross Unrealized Gains | 7,179 | 7,569
Fair Value | 27,781 | 28,171
Collateralized debt obligations [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 18,556 | 18,544
Gross Unrealized Losses | 4,907 | 5,284
Fair Value | 13,649 | 13,260
OTTI in AOCL | $ (3,526) | $ (3,839)

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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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