Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Restatement (Details)

v2.4.0.6
Summary of Significant Accounting Policies - Restatement (Details)
Dec. 31, 2012
Swap
Derivative [Line Items]  
Number of interest rate swaps 8
Floating to Fixed
 
Derivative [Line Items]  
Number of interest rate swaps 1
Long Haul Method
 
Derivative [Line Items]  
Number of interest rate swaps 7