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Recapitalization and Initial Public Offering IPO (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
May 27, 2015
Jul. 15, 2014
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Class of Stock [Line Items]          
Repayments of long-term debt     $ 72,000 $ 6,500 $ 21,500
Class A Common Stock [Member]          
Class of Stock [Line Items]          
Issuance of common stock (shares) 3,996,255        
Share price (in dollars per share) $ 19.05        
Over-Allotment Option [Member] | Class A Common Stock [Member]          
Class of Stock [Line Items]          
Issuance of common stock (shares) 521,250        
Over-Allotment Option [Member] | Stock Sold by Company [Member] | Class A Common Stock [Member]          
Class of Stock [Line Items]          
Issuance of common stock (shares)   538,252      
Over-Allotment Option [Member] | Stock Sold by Selling Stockholders [Member] | Class A Common Stock [Member]          
Class of Stock [Line Items]          
Issuance of common stock (shares)   181,748