Leases (Detail Textual) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	9 Months Ended
	Apr. 30, 2020	Mar. 31, 2020	Mar. 31, 2020
Lessee, Lease, Description [Line Items]
Operating lease, weighted average remaining lease term		6 years 3 months 3 days	6 years 3 months 3 days
Operating lease, weighted average discount rate		3.27%	3.27%
Cash paid for operating leases			$ 65,900
Operating lease liabilities arising from obtaining new ROU assets			39,800
Annual estimated lease cost		$ 21,674	$ 64,262
Subsequent Event
Lessee, Lease, Description [Line Items]
Annual estimated lease cost	$ 6,000
Term of contract	12 years