Annual report pursuant to Section 13 and 15(d)

Long Term Debt (Schedule of Long Term Debt Applicable Margin) (Details)

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Long Term Debt (Schedule of Long Term Debt Applicable Margin) (Details) (London Interbank Offered Rate (LIBOR) [Member])
12 Months Ended
Dec. 31, 2013
Greater than or equal to 5.5
 
Debt Instrument [Line Items]  
Basis spread on variable rate 3.00%
Greater than or equal to 5.0 but less than or equal to 5.5
 
Debt Instrument [Line Items]  
Basis spread on variable rate 2.75%
Greater than or equal to 4.5 but less than or equal to 5.0
 
Debt Instrument [Line Items]  
Basis spread on variable rate 2.50%
Greater than or equal to 4.0 but less than or equal to 4.5
 
Debt Instrument [Line Items]  
Basis spread on variable rate 2.25%
Less than 4.0
 
Debt Instrument [Line Items]  
Basis spread on variable rate 2.00%