Leases - Summary of Lease Costs and Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 31, 2020	Mar. 31, 2020
Related Party Transaction [Line Items]
Operating lease expense (including expense for lease agreements with related parties of $359 and $1,086 for the three and nine months ended March 31, 2019, respectively)	$ 1,605	$ 4,909
Cash payments for operating leases (including payments to related parties of $369 and $1,106 for the three and nine months ended March 31, 2019, respectively)	1,667	5,082
New operating lease assets obtained in exchange for operating lease liabilities	14,221	14,889
Affiliated
Related Party Transaction [Line Items]
Operating lease expense (including expense for lease agreements with related parties of $359 and $1,086 for the three and nine months ended March 31, 2019, respectively)	359	1,086
Cash payments for operating leases (including payments to related parties of $369 and $1,106 for the three and nine months ended March 31, 2019, respectively)	$ 369	$ 1,106