Quarterly report pursuant to Section 13 or 15(d)

Non-Controlling Interest - Analysis of Controlling and Non Controlling Interest (Detail)

v2.4.0.8
Non-Controlling Interest - Analysis of Controlling and Non Controlling Interest (Detail) (USD $)
In Thousands, unless otherwise specified
 5 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2013
Sep. 30, 2012
Noncontrolling Interest [Line Items]      
Equity $ 161,838 $ 5,851  
Establishment of non-controlling interest during formation transaction       
Loss attributable to non-controlling interest holders (3,219)    
Equity-based compensation 6,629 (6,629) (7)
Distributions (1,020)    
Change in accumulated other comprehensive income attributable to non-controlling interest holders (164)    
Equity 164,064 164,064  
Controlling Interest [Member]
      
Noncontrolling Interest [Line Items]      
Equity 161,838    
Establishment of non-controlling interest during formation transaction (4,407)    
Loss attributable to non-controlling interest holders (3,129)    
Equity-based compensation 6,449    
Distributions (992)    
Change in accumulated other comprehensive income attributable to non-controlling interest holders (160)    
Equity 159,599 159,599  
Non Controlling Interest Holders [Member]
      
Noncontrolling Interest [Line Items]      
Equity       
Establishment of non-controlling interest during formation transaction 4,407    
Loss attributable to non-controlling interest holders (90)    
Equity-based compensation 180    
Distributions (28)    
Change in accumulated other comprehensive income attributable to non-controlling interest holders (4)    
Equity $ 4,465 $ 4,465