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Basis of Presentation (Details 2) (Interest rate swaps, USD $)
In Thousands, unless otherwise specified
6 Months Ended 8 Months Ended
Jun. 30, 2013
Jun. 30, 2013
Dec. 31, 2012
Oct. 25, 2012
Interest rate swaps
       
Interest Rate Caps        
Variable rate basis LIBOR      
Fixed rate (as a percent) 0.7525% 0.7525%    
Aggregate starting notional amount       $ 150,000
Ineffective portion of cash flow recognized   0    
Fair value, asset 1,142 1,142    
Fair value, liability     $ 794