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Leases - Narrative (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Jun. 30, 2020
Sep. 30, 2019
Jul. 01, 2019
Leases [Abstract]        
Operating lease, right-of-use asset $ 13,867 $ 14,315   $ 16,142
Weighted average remaining lease term 7 years 2 months 1 day   7 years 11 months 19 days  
Weighted average discount rate (as a percent) 3.65%   3.65%