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Balance Sheet information related to operating leases (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Lessee Disclosure [Abstract]    
Other noncurrent assets $ 21,701 $ 39,717
Other current liabilities 11,659 19,189
Other noncurrent liabilities $ 11,898 $ 23,137
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] us-gaap:OtherLiabilitiesCurrent us-gaap:OtherLiabilitiesCurrent
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] us-gaap:OtherLiabilitiesNoncurrent us-gaap:OtherLiabilitiesNoncurrent