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Lease Accounting - Lessee, Lease Expenses (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
warehouse
Leases [Abstract]  
Operating lease cost $ 29,205
Financing lease cost:  
Depreciation 11,252
Interest on lease liabilities 2,941
Sublease income (499)
Net lease expense $ 42,899
Number of properties subleased | warehouse 2