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Equity Incentive Plan - Schedule of Nonvested Restricted Stock Units Activity (Details) - Restricted Stock - USD ($)
$ / shares in Units, $ in Thousands
6 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Jun. 30, 2016
Jun. 30, 2015
Restricted stock awards        
Non-vested, Beginning Balance (in shares) 248,750 310,470    
Granted (in shares) 2,000 0    
Vested (in shares) 0 0    
Forfeited (in shares) 0 2,250    
Non-vested, Ending Balance (in shares) 250,750 308,220    
Weighted- average grant date fair value        
Non-vested, Beginning Balance (in usd per share) $ 14.81 $ 14.40    
Granted (in usd per share) 19.02 0.00    
Vested (in usd per share) 0.00 0.00    
Forfeited (in usd per share) 0.00 14.37    
Non-vested, Ending Balance (in usd per share) $ 14.84 $ 14.40    
Aggregate intrinsic value (in usd) $ 6,494 $ 6,241 $ 4,602 $ 5,203