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Leases - Remaining Lease Term (Details)
Jun. 30, 2021
Jun. 30, 2020
Leases    
Operating lease assets, weighted-average remaining lease term (years) 3 years 5 months 1 day 2 years 11 months 15 days
Finance lease assets, weighted-average remaining lease term (years) 2 years 8 months 19 days  
Operating lease assets, weighted-average discount rate 6.62% 10.02%
Finance lease assets, weighted-average discount rate 6.41%