Annual report pursuant to Section 13 and 15(d)

Equity - Additional Information (Detail)

v2.4.0.8
Equity - Additional Information (Detail) (USD $)
 0 Months Ended 9 Months Ended 12 Months Ended
Apr. 23, 2013
Dec. 31, 2013
Y
Dec. 31, 2013
Y
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares received by employees through reallocation 202,826    
Value per share under stock based compensation plan $ 12.50    
Compensation expense $ 5,800,000    
Income tax benefit on reallocation 0    
Number of restricted common stock granted 606,415    
Grant-date fair value of restricted common stock 12.50    
Restricted common stock vesting period 4 years    
Restricted common stock vesting fair value per share $ 12.50    
Restricted Stock Units [Member]
      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares received by employees through reallocation 128,348    
OP Units [Member]
      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares received by employees through reallocation 135,938    
Restricted Incentive [Member]
      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Assumed forfeiture rate for calculation of compensation expense 5.00%    
Equity-based compensation expense   7,100,000  
Unrecognized compensation expense   $ 5,900,000 $ 5,900,000
Weighted-average term in which unrecognized compensation expense is expected to be recognized   2 2
Equity-based compensation shares vested      0