Leases - Components of Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 31, 2020	Mar. 31, 2020
Lease, Cost [Abstract]
Operating lease right-of-use asset impairment		$ 2,200
Operating lease expense	$ 3,229	9,601
Short-term lease expense	9,808	30,423
Total lease expense	$ 13,037	$ 40,024