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Equity-Based Compensation - Additional Information (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 1 Months Ended 0 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Common Class B
Oct. 01, 2013
Common Class A
Nov. 15, 2012
Board Of Managers Options
Common Class B
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Equity-based compensation $ 258 $ 380      
Options granted       787,500 31,500
Stock split     25    
Additional shares available 1,642,282