Accounts and Other Receivables - Allowance for Doubtful Accounts Related to Accounts Receivable (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit losses beginning of period	$ 86,886	$ 70,890
Provision for credit losses	19,419	152,485
Write-offs	(24,563)	(138,939)
Recoveries	11,519	7,861
Impact of foreign currency	(2,537)	(8,415)
Allowance for credit losses end of period	$ 90,724	$ 83,882