Quarterly report pursuant to Section 13 or 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) (LIBOR)
9 Months Ended
Sep. 30, 2013
Greater than or equal to 5.5
 
Debt Instrument [Line Items]  
Debt Instrument, Basis Spread on Variable Rate 3.00%
Greater than or equal to 5.0 but less than 5.5
 
Debt Instrument [Line Items]  
Debt Instrument, Basis Spread on Variable Rate 2.75%
Greater than or equal to 4.5 but less than 5.0
 
Debt Instrument [Line Items]  
Debt Instrument, Basis Spread on Variable Rate 2.50%
Greater than or equal to 4.0 but less than 4.5
 
Debt Instrument [Line Items]  
Debt Instrument, Basis Spread on Variable Rate 2.25%
Less than 4.0
 
Debt Instrument [Line Items]  
Debt Instrument, Basis Spread on Variable Rate 2.00%