INCOME TAXES - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2016
Income Tax Disclosure [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%
Deferred Tax Assets, Gross	$ 157,849,000	$ 135,371,000
Deferred Tax Assets, Valuation Allowance	277,000	249,000
Unrecognized Tax Benefits Decreases Resulting From Tax Rate Changes And Payments Under State Voluntary Filing Agreements	(2,400,000)
Unrecognized tax benefits increases resulting from tax rate changes and payments under state voluntary filing agreements		$ 96,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	1,800,000
Decrease unrecognized tax benefits related to state tax	1,000,000
State and Local Jurisdiction [Member]
Income Tax Disclosure [Line Items]
Operating Loss Carryforwards	436,500,000
Decrease in Operating Loss Carryforwards	93,600,000		$ 52,900,000
Federal [Member]
Income Tax Disclosure [Line Items]
Operating Loss Carryforwards	703,900,000
Decrease in Operating Loss Carryforwards	109,200,000		$ 65,600,000
Deferred Tax Assets, Gross	$ 157,800,000
Results Of Section 382 [Member] | State and Local Jurisdiction [Member]
Income Tax Disclosure [Line Items]
Operating Loss Carryforwards				$ 262,700,000
Results Of Section 382 [Member] | Federal [Member]
Income Tax Disclosure [Line Items]
Operating Loss Carryforwards				$ 361,100,000