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Leases - Supplemental Lease Information (Details)
Jun. 30, 2019
Leases [Abstract]  
Weighted-average remaining lease term, operating lease 13 years 29 days
Weighted-average remaining lease term, finance lease 3 years 6 months
Weighted-average discount rate, operating lease 3.72%
Weighted-average discount rate, finance lease 8.25%