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Derivative Financial Instruments - Narrative (Details) (Interest rate swaps [Member], USD $) In Millions, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
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Interest rate swaps [Member] |  |
Fair values of derivative instruments |  |
Collateral posted | $ 3.6 |
Fair value of derivative assets | $ 2.5 | $ 4.0

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- Definition Fair value of securities pledged as collateral against derivative liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226013-175313 + Details
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- Details
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- Definition Fair value as of the balance sheet date of all interest rate derivative assets designated as cash flow hedging instruments. + 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)(1) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 + Details
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