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Leases Supplemental Information Related to Leases Table Text Block (Details)
Mar. 31, 2019
Rate
Supplemental Information Leases [Abstract]  
Operating Lease, Weighted Average Remaining Lease Term 12 years 2 months
Operating Lease, Weighted Average Discount Rate, Percent 4.80%
Finance Lease, Weighted Average Remaining Lease Term 4 years 11 months
Finance Lease, Weighted Average Discount Rate, Percent 3.40%