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Accounts and Notes Receivable - Schedule of Accounts and Notes Receivable (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Short-term    
Accounts and notes receivable $ 383,919 $ 390,705
Allowance for doubtful accounts (48,905) (11,985)
Accounts and notes receivable, less allowance for doubtful accounts 335,014 378,720
Long-term    
Notes receivable 38,814 15,476
Total accounts and notes receivable $ 373,828 $ 394,196