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v2.4.1.9

Fair Value Measurements (Details Textual) (Interest Rate Swap [Member]) | Dec. 31, 2014 | Dec. 31, 2013
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Interest Rate Swap [Member] |  |
Derivative [Line Items] |  |
Derivative, Swaption Interest Rate | 4.17%us-gaap_DerivativeSwaptionInterestRate / us-gaap_FinancialInstrumentAxis = us-gaap_InterestRateSwapMember | 5.04%us-gaap_DerivativeSwaptionInterestRate / us-gaap_FinancialInstrumentAxis = us-gaap_InterestRateSwapMember

X
- Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Fixed interest rate that will be received or paid upon exercise of the interest rate swaption contract. + References No definition available. + Details
Name: | us-gaap_DerivativeSwaptionInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant