Leases - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Lessee, Lease, Description [Line Items]
Weighted average remaining lease term	8 years 11 months 4 days
Weighted average discount rate	3.28%
Operating lease expense	$ 3.6	$ 2.7
Operating leases rent expense			$ 2.7
Minimum
Lessee, Lease, Description [Line Items]
Lease term	2 years
Maximum
Lessee, Lease, Description [Line Items]
Lease term	11 years