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INCOME TAXES - OPERATING LOSS CARRYFORWARDS (Details)	Dec. 31, 2020 USD ($)
Federal
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 898,100,000
Net operating loss carryforwards, expire beginning 2021 through 2037	744,800,000
State
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 408,000,000

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Operating loss carryforwards subject to expiration.

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319

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