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Leases - Lease Terms and Discount Rates (Details)
Mar. 31, 2019
Leases [Abstract]  
Operating Lease, Weighted Average Remaining Lease Term 7 years 2 months 15 days
Finance Lease, Weighted Average Remaining Lease Term 2 years 2 months 4 days
Operating Lease, Weighted Average Discount Rate, Percent 5.37%
Finance Lease, Weighted Average Discount Rate, Percent 3.22%