Schedule II - Valuation and Qualifying Accounts and Reserves (Details) - Allowance For Doubtful Accounts - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Allowance for Doubtful Accounts Receivable [Roll Forward]
Beginning Balance	$ 57,209	$ 11,985	$ 6,911
Additions
Charged to Costs and Expenses	25,480	51,387	6,250
Charged to Other Accounts	0	0	0
Deductions	30,296	6,163	1,176
Ending Balance	$ 52,393	$ 57,209	$ 11,985

Valuation Allowances and Reserves, Additions [Abstract]

No definition available.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

Amount of valuation and qualifying accounts and reserves.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09)
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

+ Details

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- Definition

Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense.

+ References

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- Definition

Amount of increase in valuation and qualifying accounts and reserves from charge to accounts other than cost and expense.

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- Definition

Amount of decrease in valuation and qualifying accounts and reserves.

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