Credit Losses (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Credit Loss [Abstract]
Allowance for doubtful accounts receivable	$ 40,393	$ 29,381
Cumulative Effect on Retained Earnings, before Tax	2,706
Provision for Other Credit Losses	10,248
Accounts Receivable, Credit Loss Expense (Reversal)	(2,113)
Accounts Receivable, Other, Including Dispositions and Foreign Currency	$ 171