Operating Leases - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2020	Jun. 30, 2020	Dec. 31, 2019
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets	$ 34,601		$ 40,961
Operating lease liabilities	40,284		$ 45,258
ROU asset, impairment loss	$ 1,500
Weighted average remaining lease term	13 years 11 months 4 days
Operating lease, weighted average discount rate (as a percent)	3.59%
Minimum
Lessee, Lease, Description [Line Items]
Operating lease, remaining lease term	3 months
Maximum
Lessee, Lease, Description [Line Items]
Operating lease, remaining lease term		21 years 3 months