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Investment Securities (Narrative) (Details) $ in Thousands | Mar. 31, 2017 USD ($) security | Dec. 31, 2016 USD ($) security
--- | --- | ---
Investment Securities [Abstract] |  |
Securities pledged as collateral | $ 937,300 |
Number of security positions, unrealized loss position | security | 360 | 463
Number of security positions, unrealized loss position for more than 12 months | security | 15 | 9
Securities, 12 months or longer, Fair Value | $ 6,197 | $ 5,526
Securities, 12 months or longer, Unrealized Losses | $ 37 | $ 19
Number of security positions, unrealized loss position for less than 12 months | security | 345 | 454
Securities, less than 12 months, Fair Value | $ 593,931 | $ 642,858
Securities, less than 12 months, Unrealized Losses | $ 10,769 | $ 12,609

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- Definition Disclosure regarding factors used to determine that the impairment of securities not categorized as either held-to-maturity securities or trading securities (hence equal to available for sale securities) 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 available-for-sale investments determined to be temporarily impaired for less than twelve months. + References No definition available. + Details
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- Definition Disclosure regarding factors used to determine that the impairment of securities not categorized as either held-to-maturity securities or trading securities (hence equal to available for sale securities) 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 available-for-sale investments determined to be temporarily impaired for twelve months or longer. + References No definition available. + Details
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- Definition Amount of accumulated pre-tax unrealized loss on securities that have been in a loss position for twelve months or longer. + References No definition available. + Details
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- Definition Amount of accumulated pre-tax unrealized loss on investments in securities that have been in a loss position for less than twelve months. + References No definition available. + Details
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- Definition This item represents the fair value of securities that have been in a continuous unrealized loss position for twelve months or longer. + 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=49124121&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=27724398&loc=d3e27290-111563 + Details
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