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Leases and Other - Components of Least Expenses (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Finance lease cost:    
Amortization of right-of-use assets $ 697 $ 1,895
Interest on lease liabilities 130 379
Operating lease cost 6,625 19,456
Short-term lease cost 571 1,348
Variable lease cost 1,478 4,695
Sublease income [1] 226  
Total lease cost, net $ 9,727 $ 27,773
[1]   Sublease income excludes rental income from owned assets, which is recorded in revenue.