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Securities (Narrative Disclosures) (Details) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2017 USD ($) securities | Jun. 30, 2016 USD ($) | Dec. 31, 2016 USD ($)
Investments, Debt and Equity Securities [Abstract] |  |  |
Number of available-for-sale securities sold | $ | $ 6 | $ 3 |
Available-for-sale securities pledged as collateral | $ | $ 18,900,000 |  | $ 22,400,000
Number of available-for-sales securities in an unrealized loss position | securities | 123 |  |
Number of available-for-sale securities in an unrealized loss position, twelve months or greater | securities | 16 |  |
Other than temporary impairment on available-for-sale securities recorded on the income statement | $ | $ 0 | 0 |
Number of held-to-maturity securities in an unrealized loss position | securities | 17 |  |
Number of held-to-maturity Securities in an unrealized loss position, twelve months or greater | securities | 5 |  |
Other than temporary impairment on held-to-maturity securities recorded on the income statement | $ | $ 0 | $ 0 |

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- Definition Held-to-Maturity Securities, Securities in Unrealized Loss Positions, Qualitative Disclosures, Number of Positions 12 months or greater + References No definition available. + Details
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- Definition The fair value of available-for-sale securities that serve as collateral for borrowings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5086-111524 + Details
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- Definition Number of investment positions in available-for-sale investments in a continuous unrealized loss position for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 + Details
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- Definition Disclosure regarding factors used to determine that the impairment of securities categorized as held-to-maturity where cost exceeds fair value is not an other than temporary impairment (OTTI). This item contains disclosure of the number of investment positions in the held-to-maturity investments determined to be temporarily impaired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 + Details
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- Definition The amount by which the fair value of an investment in debt and equity securities categorized as Available-for-sale is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 8A -URI http://asc.fasb.org/extlink&oid=82896770&loc=SL6284422-111562 + Details
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