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Fair Value Measurements (Fair Value of derivative insturments in Balance sheet) (Details)
$ in Thousands
Jun. 30, 2015
USD ($)
Derivatives, Fair Value [Line Items]  
Gross recognized Liabilites $ (171)
Gross Amounts Offset 0
Net Recognized Fair value Liabilities (171)
Interest Rate Swap - Current [Member]  
Derivatives, Fair Value [Line Items]  
Gross recognized Liabilites (100)
Gross Amounts Offset 0
Net Recognized Fair value Liabilities (100)
Interest Rate Swap - Non-Current [Member]  
Derivatives, Fair Value [Line Items]  
Gross recognized Liabilites (71)
Gross Amounts Offset 0
Net Recognized Fair value Liabilities $ (71)