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Securities (Held-to-Maturity Securities) (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Schedule of Held-to-maturity Securities |  |
Amortized cost | $ 35,914 | $ 37,731
Gross unrecognized holding gains | 267 | 74
Gross unrecognized holding losses | (176) | (396)
Estimated Fair Value | 36,005 | 37,409
Municipal securities |  |
Schedule of Held-to-maturity Securities |  |
Amortized cost | 20,597 | 21,066
Gross unrecognized holding gains | 200 | 72
Gross unrecognized holding losses | (7) | (59)
Estimated Fair Value | 20,790 | 21,079
Mortgage backed securities - government issued |  |
Schedule of Held-to-maturity Securities |  |
Amortized cost | 7,035 | 7,358
Gross unrecognized holding gains | 0 | 0
Gross unrecognized holding losses | (80) | (172)
Estimated Fair Value | 6,955 | 7,186
Mortgage backed securities - government-sponsored enterprises |  |
Schedule of Held-to-maturity Securities |  |
Amortized cost | 8,282 | 9,307
Gross unrecognized holding gains | 67 | 2
Gross unrecognized holding losses | (89) | (165)
Estimated Fair Value | $ 8,260 | $ 9,144

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- Definition Amount of investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26610-111562 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 + Details
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- Definition Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 + Details
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- Definition Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 + Details
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