Fair Value Measurements and Derivative Instruments Reporting (Fair value and basis of valuatin of financial liabilities) (Details) - Fair Value, Measurements, Recurring [Member] - Interest Rate Swap [Member] $ in Thousands	Dec. 31, 2015 USD ($)	[1]
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Liabilities	$ 0
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Liabilities	194
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Liabilities	$ 0

[1] See "Derivative Instruments Reporting" below for detailed information regarding the Company's interest rate swaps.