Annual report pursuant to Section 13 and 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
 3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2013
Dec. 31, 2013
Sep. 30, 2012
Sep. 30, 2011
Noncontrolling Interest [Line Items]          
Beginning Balance $ 19,162 $ 161,838 $ 5,851 $ 16,285 $ 22,429
Establishment of non-controlling interest during formation transaction           
Loss attributable to interest holders   (10,753)      
Equity-based compensation (2) 7,079 (7,079) (15) (14)
Distributions   (7,128)      
Issuance (repurchase) of vested equity-based shares and other adjustments post-IPO   (428)      
Change in accumulated other comprehensive income   16      
Ending Balance 5,851 150,624 150,624 19,162 16,285
Controlling Interest [Member]
          
Noncontrolling Interest [Line Items]          
Beginning Balance   161,838      
Establishment of non-controlling interest during formation transaction   (4,407)      
Loss attributable to interest holders   (10,459)      
Equity-based compensation   6,885      
Distributions   (6,934)      
Issuance (repurchase) of vested equity-based shares and other adjustments post-IPO   (414)      
Change in accumulated other comprehensive income   16      
Ending Balance   146,525 146,525    
Non-Controlling Interest Holders [Member]
          
Noncontrolling Interest [Line Items]          
Beginning Balance               
Establishment of non-controlling interest during formation transaction   4,407      
Loss attributable to interest holders   (294)      
Equity-based compensation    194 (194)      
Distributions   (194)      
Issuance (repurchase) of vested equity-based shares and other adjustments post-IPO   (14)      
Change in accumulated other comprehensive income           
Ending Balance    $ 4,099 $ 4,099