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Investment Securities (Details Textual) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 USD ($) Investments | Dec. 31, 2017 USD ($) Investments | Dec. 31, 2016 USD ($)
Investment Securities (Textual) |  |  |
Gain on sale of investment securities | $ 7 | $ 4 | $ 431
Number of investments, Less than 12 months | Investments | 8 | 25 |
Fair market value, less than 12 months | $ 11,700 |  |
Number of investments, 12 months or longer | Investments | 53 | 28 |
Fair market value,12 months or longer | $ 46,500 |  |
Securities pledged as collateral for repurchase agreements from brokers |  | $ 7,700 |

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- Definition Investment securities. + References No definition available. + Details
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- Definition Investments with fair market value in continuous unrealized loss position for less than twelve months. + References No definition available. + Details
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- Definition Investments with fair market value In continuous unrealized loss position twelve months or longer. + References No definition available. + Details
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- Definition Number of investments in continuous unrealized loss position, less than twelve months. + References No definition available. + Details
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- Definition Number of investments in continuous unrealized loss position twelve months or longer. + References No definition available. + Details
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- Definition Amount of restricted investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b)(1)(i) -URI http://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729 + Details
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- Definition The difference between the carrying value and the sale price of an investment. A gain would be recognized when the sale price of the investment is greater than the carrying value of the investment. This element refers to the Gain included in earnings and not to the cash proceeds of the sale. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(3)(a)) -URI http://asc.fasb.org/extlink&oid=114873790&loc=SL114874131-224263 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)) -URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(b)(9)(a)) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(b)(7)(c)) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
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