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Leases - Weighted Average Rate and Terms (Details 6)
Jun. 30, 2019
Weighted Average Lease Term [Abstract]  
Operating Lease, Weighted Average Remaining Lease Term 3 years 9 months 18 days
Finance Lease, Weighted Average Remaining Lease Term 1 year 8 months 12 days
Weighted Average Discount Rate [Abstract]  
Operating Lease, Weighted Average Discount Rate, Percent 3.50%
Finance Lease, Weighted Average Discount Rate, Percent 2.50%