SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS AND ALLOWANCE (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Allowance for credit losses
Changes in valuation and qualifying accounts
Balance at beginning of period	$ 15,982	$ 6,506	$ 2,124
Charged (credited) to costs and expenses	(9,158)	9,441	4,396
(Deductions) Adjustments	(193)	35	(14)
Balance at end of period	6,631	15,982	6,506
Tax valuation allowance
Changes in valuation and qualifying accounts
Balance at beginning of period	189,253	193,788	206,630
Charged (credited) to costs and expenses	1,273	4,334	1,107
Credited to other accounts	(192)	(8,869)	(13,949)
Balance at end of period	$ 190,334	$ 189,253	$ 193,788

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

No definition available.

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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(Column B))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690

Reference 2: 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(Column E))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690

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

+ References

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

+ References

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Amount of decrease in valuation and qualifying accounts and reserves.

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