Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies- Derivative Financial Instruments (Details)

v3.2.0.727
Summary of Significant Accounting Policies- Derivative Financial Instruments (Details) - Interest rate swap instruments
$ in Thousands
 1 Months Ended 3 Months Ended
Oct. 31, 2012
USD ($)
swap
Jul. 31, 2011
USD ($)
Mar. 31, 2010
USD ($)
Jun. 30, 2014
USD ($)
Sep. 30, 2013
USD ($)
Dec. 31, 2007
USD ($)
contract
Derivative [Line Items]            
Number of instruments held (contracts) | contract           2
Interest Rate Swap Contract 1            
Derivative [Line Items]            
Initial notional amount of interest rate swaps           $ 13,081
Interest rate swaps, variable to fixed interest rates (percent)           5.40%
Interest Rate Swap Contract 2            
Derivative [Line Items]            
Initial notional amount of interest rate swaps           $ 3,256
Interest rate swaps, variable to fixed interest rates (percent)           5.30%
Interest Rate Swap Contract 3            
Derivative [Line Items]            
Initial notional amount of interest rate swaps     $ 27,900      
Interest rate swaps, variable to fixed interest rates (percent)     6.99%      
Term of interest rate swap contract     14 years      
Interest Expense Reclassified from Accumulated Other Comprehensive Loss into Other Expenses, Net       $ 566    
Interest Rate Swap Contract 4            
Derivative [Line Items]            
Initial notional amount of interest rate swaps   $ 38,571        
Interest rate swaps, variable to fixed interest rates (percent)   1.965%        
Term of interest rate swap contract   5 years        
Interest Rate Swap Contract 5            
Derivative [Line Items]            
Number of instruments held (contracts) | swap 2          
Initial notional amount of interest rate swaps $ 16,750          
Interest rate swaps, variable to fixed interest rates (percent) 1.71%          
Term of interest rate swap contract 8 years          
Future increase in notional amount         $ 42,247  
Interest Rate Swap Contract 6            
Derivative [Line Items]            
Number of instruments held (contracts) | swap 2          
Initial notional amount of interest rate swaps $ 25,377          
Interest rate swaps, variable to fixed interest rates (percent) 3.70%          
Term of interest rate swap contract 8 years