v3.2.0.727
Stockholders' Equity (Details)
$ / shares in Units, $ in Thousands
 5 Months Ended 6 Months Ended
Feb. 04, 2015
USD ($)
board_of_director_class
Vote
$ / shares
shares
Dec. 15, 2014
Jul. 01, 2015
$ / shares
shares
Jul. 01, 2015
USD ($)
$ / shares
shares
Jun. 25, 2014
USD ($)
Dec. 31, 2014
$ / shares
shares
Class of Stock [Line Items]            
Common stock, shares authorized           100
Common stock par value (in usd per share) | $ / shares           $ 0.01
Preferred stock, shares authorized 10,000,000   10,000,000 10,000,000    
Number of Classes of Directors | board_of_director_class 3          
Board of Directors, Term 3 years          
Number of Votes per Share | Vote 1          
Limited liability company interests outstanding 36,250,000          
Ownership percentage of controlling interest 33.30%   33.30% 33.30%    
Noncontrolling owners ownership percentage 66.70%          
Member distribution threshold, percentage   27.30%        
Member distributions | $ $ 11,125     $ 11,125 $ 3,819  
Class A Common Stock            
Class of Stock [Line Items]            
Common stock, shares authorized 200,000,000   200,000,000 200,000,000    
Common stock par value (in usd per share) | $ / shares $ 0.001   $ 0.001 $ 0.001    
Ratio of common stock to limited liability company interest 1          
Class B Common Stock            
Class of Stock [Line Items]            
Common stock, shares authorized 35,000,000   35,000,000 35,000,000    
Common stock par value (in usd per share) | $ / shares $ 0.001   $ 0.001 $ 0.001    
Ratio of common stock to limited liability company interest 1          
Common stock | Class A Common Stock            
Class of Stock [Line Items]            
Shares issued during the period 5,968,841   5,750,000      
Common stock | Class B Common Stock            
Class of Stock [Line Items]            
Shares issued during the period 30,160,694          
Common stock | Initial public offering | Class A Common Stock            
Class of Stock [Line Items]            
Shares issued during the period 5,750,000          
Shares issued, share price | $ / shares $ 21          
Proceeds of issuance of initial public offering net of underwriting discounts and commissions | $ $ 112,298          
Common stock | Over-allotment option | Class A Common Stock            
Class of Stock [Line Items]            
Shares issued during the period 750,000