Consolidated Balance Sheets (Parenthetical)
Dec. 31, 2015
$ / shares
shares
Dec. 31, 2014
shares
Common stock, par value | $ / shares $ 0.0001  
Membership units, par value | $ / shares 0  
Preferred Stock, Shares Authorized 5,000,000  
Preferred Stock, Shares Issued 0  
Preferred Stock, Shares Outstanding 0  
Voting    
Common stock, shares authorized (in shares) 125,000,000  
Common stock, shares issued (in shares) 13,130,800  
Common stock, shares outstanding (in shares) 13,130,800  
Membership units, units authorized (in shares) 94,273,819
Membership units, units issued (in shares) 7,524,196
Membership units, units outstanding (in shares) 7,524,196
Non-voting    
Membership units, units authorized (in shares)   19,416,481
Membership units, units issued (in shares)   381,129
Membership units, units outstanding (in shares)   381,129