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Derivative Activities (Narratives) (Details) - USD ($) $ in Millions | Sep. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional Amount Purchased Option | $ 3.4 | $ 10.7
Embedded Derivative, Fair Value of Embedded Derivative Liability | 1.0 | 5.5
Notional Amount Embedded Option | 3.2 | $ 10.5
Interest Rate Cap [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative, Notional Amount | $ 109.9 |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Notional amount of options sold to customers embedded in the certificates of deposit. + References No definition available. + Details
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- Definition Notional amount of purchased options used to manage the exposure to the stock market on stock indexed deposits. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624163-113959 + Details
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- Details
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