Financing Receivables (Institutional Loan Balances and Related Allowances for Credit Losses) (Detail) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Jun. 30, 2019
Receivables [Abstract]
Gross Institutional Loans	$ 50,296	$ 47,259	$ 47,937
Allowance for Credit Losses:
Balance at July 1	(6,289)	(10,003)	(10,003)
Charge-offs and Adjustments	664	9,965	10,777
Recoveries	(40)	(73)	(83)
Additional Provision	(9,026)	(4,571)	(6,980)
Balance at End of Period	(14,691)	(4,682)	(6,289)
Net Institutional Loans	$ 35,605	$ 42,577	$ 41,648