Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Operating Leases:
Right-of-use assets, net	$ 101,743	$ 52,065
Current portion of operating lease liabilities	27,850	12,544
Operating lease liabilities	71,553	36,974
Finance Leases:
Property, plant and equipment, net	3,891	3,519
Current maturities of long-term debt	1,289	1,237
Long-term debt	$ 2,735	$ 2,218