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Leases - Lease Terms and Discount Rates (Details)
Jun. 30, 2019
Leases [Abstract]  
Operating Lease, Weighted Average Remaining Lease Term 6 years 11 months 1 day
Finance Lease, Weighted Average Remaining Lease Term 1 year 11 months 4 days
Operating Lease, Weighted Average Discount Rate, Percent 5.37%
Finance Lease, Weighted Average Discount Rate, Percent 3.22%