Share-based Compensation - Performance-Based Shares (Details) - Performance-Based Shares $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended
	Dec. 31, 2019 USD ($) $ / shares shares
Stock-based Compensation
Share-based compensation awards vesting period	3 years
Awards
Non-vested at the beginning of the period (in shares) | shares	72
Granted (in shares) | shares	178
Vested (in shares) | shares	(46)
Non-vested at the end of the period (in shares) | shares	204
Weighted Average Grant-date Fair Value
Non-vested at the beginning of the period (in dollars per share) | $ / shares	$ 19.92
Granted (in dollars per share) | $ / shares	10.71
Vested (in dollars per share) | $ / shares	15.08
Non-vested at the end of the period (in dollars per share) | $ / shares	$ 12.99
Aggregate Intrinsic Value
Vested | $	$ 477