Annual report pursuant to Section 13 and 15(d)

Other Long-Term Financial Liabilities Impact of Failed Sale Leasebacks, Income Statement (Details)

v3.20.4
Other Long-Term Financial Liabilities Impact of Failed Sale Leasebacks, Income Statement (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Other Long-Term Financial Liabilities [Line Items]      
Depreciation and amortization $ 70,553 $ 68,571 $ 74,579
Interest expense 15,949 $ 19,233 $ 31,683
Failed Sale Leasebacks      
Other Long-Term Financial Liabilities [Line Items]      
Depreciation and amortization 766    
Interest expense $ 651