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Leases - Schedule Of Supplemental Balance Sheet In formation Related To Leases (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Non-Current    
Operating $ 46,383  
Finance 8,599  
Total lease assets 54,982  
Current    
Less: Current obligation under leases 15,028  
Financing 3,738 $ 4,806
Non-Current    
Long-term lease obligations 30,964  
Financing 3,943 $ 3,824
Total lease liabilities $ 53,673  
Weighted-average remaining lease term    
Operating leases 4 years 3 months 18 days  
Finance leases 2 years 6 months  
Weighted-average discount rate    
Operating leases [1] 4.95%  
Finance leases [1] 4.70%  
[1] Upon adoption of the new lease standard, discount rates used for existing leases were established at January 1, 2019.