VALUATION AND QUALIFYING ACCOUNTS (Details) - Deferred Tax Valuation Allowance - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Valuation and qualifying accounts [Roll forward]
Balance at beginning of period	$ 380,990	$ 408,903	$ 336,417
Provision within facility operating expense	(13,027)	(27,913)	60,376
Recoveries and other	0	0	13,790
Deductions	0	0	(1,680)
Balance at end of period	$ 367,963	$ 380,990	$ 408,903