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Investment Securities (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Investments, Debt and Equity Securities [Abstract] |  |  |
Other Asset Impairment Charges |  |  | $ 628
Number of Investment Securities Sold | 74 | 54 |
Available-for-sale Securities Pledged as Collateral | $ 142,500 | $ 224,700 |
Description of Holding Securities | there were no holdings of securities of any one issuer, other than the U.S. Government and its agencies, in an amount greater than 10% of stockholders’ equity. |  |

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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=49124121&loc=d3e5086-111524 + Details
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