Segment Information (Revenues and Long-Lived Assets by Geographic Area) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting Information [Line Items]
Total Consolidated Revenue	$ 361,231	$ 365,623	$ 371,198	$ 289,070	$ 223,466	$ 230,213	$ 234,396	$ 218,826	$ 1,387,122	$ 906,901	$ 866,427
Total Consolidated Long-lived Assets	467,921				451,057				467,921	451,057	458,730
Domestic Operations [Member]
Segment Reporting Information [Line Items]
Total Consolidated Revenue									1,042,929	563,814	511,655
Total Consolidated Long-lived Assets	289,129				286,720				289,129	286,720	273,368
Barbados, St. Kitts and St. Maarten [Member]
Segment Reporting Information [Line Items]
Total Consolidated Revenue									344,193	343,087	354,772
Total Consolidated Long-lived Assets	$ 178,792				$ 164,337				$ 178,792	$ 164,337	$ 185,362