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Leases Other Lease (Details) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2019
Jan. 01, 2019
Lessee, Lease, Description [Line Items]    
Operating cash flows used for finance leases $ 33  
Operating cash flows used for operating leases 12,447  
Financing cash flows used for finance leases 79  
Right-of-use assets obtained in exchange for new finance lease liabilities 55  
Finance lease, right-of-use asset 650  
Right-of-use assets recorded upon adoption $ 5,053  
Weighted average remaining lease term - finance leases 3 years 11 months  
Weighted average discount rate - finance leases 6.60%  
Weighted average remaining lease term - operating leases 2 years 9 months  
Weighted average discount rate - operating leases 5.50%  
Accounting Standards Update 2016-02    
Lessee, Lease, Description [Line Items]    
Finance lease, right-of-use asset   $ 35,939