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Leases - Components of Lease Expense (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
Leases [Abstract]  
Operating lease cost $ 124,866
Finance lease cost 2,110
Amortization of ROU assets 1,857
Interest on lease liability 253
Short term lease cost 14,337
Variable lease cost 11,056
Sublease income (6,061)
Total net lease cost $ 146,308