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Shareholders' Equity and Share-based Compensation - Share-based Compensation (Details) - USD ($)			3 Months Ended			9 Months Ended		137 Months Ended
	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2022	Mar. 31, 2021	Sep. 30, 2018	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense			$ 8,273,000	$ 3,825,000		$ 21,454,000	$ 9,925,000
Repurchase of common shares under shares repurchase program						0		6,784,648
Options outstanding, Weighted-Average Remaining Contractual Life (in years)	1 year 9 months 10 days	2 years 3 months 25 days
Options vested and expected to vest (in shares)	394,875		394,875			394,875		394,875
Options vested and expected to vest (in dollars per share)	$ 7.70		$ 7.70			$ 7.70		$ 7.70
Options vested and expected to vest, Weighted Average Remaining Contractual Life (in years)	1 year 9 months 10 days
Options vested and expected to vest, Aggregate Intrinsic Value	$ 18,541,050		$ 18,541,050			$ 18,541,050		$ 18,541,050
Exercisable at end of period (in shares)	394,875		394,875			394,875		394,875
Exercisable at end of period (in dollars per share)	$ 7.70		$ 7.70			$ 7.70		$ 7.70
Exercisable at end of period, Weighted Average Remaining Contractual Life (in years)	1 year 9 months 10 days
Exercisable at end of period, Aggregate Intrinsic Value	$ 18,541,050		$ 18,541,050			$ 18,541,050		$ 18,541,050
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning of period (in shares)						487,875
Outstanding at end of period (In shares)	394,875	487,875	394,875			394,875		394,875
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding at beginning of period (in dollars per share)						$ 7.99
Outstanding at end of period (in dollars per share)	$ 7.70	$ 7.99	$ 7.70			$ 7.70		$ 7.70
Options outstanding, Aggregate Intrinsic Value	$ 18,541,050	$ 10,928,653	$ 18,541,050			$ 18,541,050		$ 18,541,050
2018 Market-based Restricted Stock Units (MSU)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense			400,000	300,000		1,200,000	900,000
Granted (in shares)					1,300,000
Performance Based Restricted Stock Units (PRSUs) Member
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense			$ 1,000,000	$ 500,000		$ 3,000,000	$ 1,300,000
Granted (in shares)						194,000

X

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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