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Leases Leases Supplemental Cash Flow Information (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2019
USD ($)
Leases [Abstract]  
Operating Lease, Payments $ 4,311
Finance Lease, Interest Payment on Liability 2,096
Total Lease Payments in Operating Cash Flows 6,407
Finance Lease, Principal Payments $ 1,995