Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Operating leases:
Operating lease right-of-use assets	$ 33,210	$ 43,446
Current operating lease liability	13,387	16,432
Long-term operating lease liability	19,802	27,102
Finance leases:
Property, plant and equipment, net	4,451	5,111
Accrued expenses and other current liabilities	1,317	1,365
Other liabilities	$ 3,278	$ 3,856