Annual report pursuant to Section 13 and 15(d)

Accounts Receivable, Net (Components of Accounts Receivable) (Details)

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Accounts Receivable, Net (Components of Accounts Receivable) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Jan. 01, 2019
Dec. 31, 2018
Receivables [Abstract]      
Accounts receivable, net $ 488,233 $ 352,679 $ 449,382