Shareholders' Equity and Share-based Compensation - Shares Repurchase (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended		134 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Sep. 30, 2017
Class of Stock [Line Items]
Treasury Stock, Shares, Retired					0
Share repurchase program, authorized amount (USD in Millions)						$ 30,000
Repurchase of common shares under shares repurchase program			0		6,784,648
Treasury stock acquired, average price per share (in dollars per share)					$ 9.92
Treasury Stock, Value, Acquired, Cost Method					$ (67,300)
Shares repurchase program, remaining balance	$ 13,400		$ 13,400		$ 13,400
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	0	0	0	0
Loss on diluted equity interest due to employee equity incentive plan issued	$ 8,547	$ 3,224	$ 13,182	$ 6,100
Treasury Stock Reissued
Class of Stock [Line Items]
Treasury stock acquired, average price per share (in dollars per share)					$ 10.12
Shares reissued (in shares)					161,895
Shares reissued, average price (in dollars per share)					$ 5.16
2018 Market-based Restricted Stock Units (MSU)
Class of Stock [Line Items]
Loss on diluted equity interest due to employee equity incentive plan issued	$ 400	$ 400	$ 800	$ 600