Stock Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	5 Months Ended	9 Months Ended
	Mar. 31, 2017	Mar. 31, 2017	Mar. 31, 2016	Oct. 22, 2015
Share-based Compensation Arrangement by Share-based Payment Award
Share based compensation			$ 26,535
Initial Public Offering
Share-based Compensation Arrangement by Share-based Payment Award
Issue price per share				$ 13.00
2014 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award
Vesting period		5 years
2014 Equity Incentive Plan | Share-based Compensation Award, 1st Anniversary
Share-based Compensation Arrangement by Share-based Payment Award
Award vesting rights, percentage		20.00%
2014 Equity Incentive Plan | Share-based Compensation Award, 2nd Anniversary
Share-based Compensation Arrangement by Share-based Payment Award
Award vesting rights, percentage		20.00%
2014 Equity Incentive Plan | Share-based Compensation Award, 3rd Anniversary
Share-based Compensation Arrangement by Share-based Payment Award
Award vesting rights, percentage		20.00%
2014 Equity Incentive Plan | Share-based Compensation Award, 4th Anniversary
Share-based Compensation Arrangement by Share-based Payment Award
Award vesting rights, percentage		20.00%
2014 Equity Incentive Plan | Share-based Compensation Award, 5th Anniversary
Share-based Compensation Arrangement by Share-based Payment Award
Award vesting rights, percentage		20.00%
2015 Plan
Share-based Compensation Arrangement by Share-based Payment Award
Aggregate common shares initially available for issuance	9,000	9,000
Shares
Granted (in shares)	0
2016 Plan
Shares
Granted (in shares)	0
Time vesting profit interests | 2014 Equity Incentive Plan | Initial Public Offering
Share-based Compensation Arrangement by Share-based Payment Award
Issue price per share	$ 13	$ 13
Restricted Stock Units (RSUs) | 2014 Equity Incentive Plan | Initial Public Offering
Share-based Compensation Arrangement by Share-based Payment Award
Issue price per share	$ 13	$ 13
Restricted Stock Units (RSUs) | 2015 Plan
Shares
Beginning balance (in shares)		171,854
Granted (in shares)		482,358
Forfeited (in shares)		(23,271)
Vested (in shares)		(18,602)
Ending balance (in shares)	612,339	612,339
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per shares)		$ 13.41
Granted (in dollars per shares)		13.72
Forfeited (in dollars per share)		13.72
Vested (in dollars per share)		13.98
Ending balance (in dollars per share)	$ 13.78	$ 13.78
Unrecognized stock-based compensation expense related to non-vested restricted stock awards	$ 6,653	$ 6,653
Weighted-average period of recognition of stock-based compensation expense		2 years 4 months 24 days
Performance Based Units | Initial Public Offering
Share-based Compensation Arrangement by Share-based Payment Award
Share based compensation		$ 9,460
Issue price per share				$ 13