SEARCHLIGHT INVESTMENT (Details) $ / shares in Units, $ in Thousands					3 Months Ended		12 Months Ended
	Dec. 07, 2021 USD ($) $ / shares shares	Jul. 16, 2021 shares	Oct. 02, 2020 USD ($) shares	Sep. 13, 2020 USD ($) item	Dec. 31, 2021 USD ($) $ / shares	Dec. 31, 2020 USD ($)	Dec. 31, 2021 USD ($) $ / shares	Dec. 31, 2020 USD ($)
Schedule of Investments [Line Items]
Proceeds from issuance of common stock							$ 75,000	$ 350,000
Temporary equity, par value (in dollars per share) | $ / shares					$ 0.01		$ 0.01
Interest rate (as a percent)					5.00%		5.00%
CPRs, estimated fair value						$ 123,200		123,200
Change in fair value of contingent payment rights							$ (86,476)	23,802
Transaction costs associated with CPRs issued								7,600
Carrying value					$ 2,139,567		2,139,567
Unamortized discount					10,308		10,308
Deferred debt issuance costs			$ 29,100		$ 37,745	45,934	$ 37,745	45,934
Series A preferred stock
Schedule of Investments [Line Items]
Series A preferred stock issued (in shares) | shares	434,266
Temporary equity, par value (in dollars per share) | $ / shares					$ 0.01		$ 0.01
Preferred stock dividend rate							9.00%
Liquidation preference per share | $ / shares					$ 1,000		$ 1,000
Searchlight
Schedule of Investments [Line Items]
Change in fair value of contingent payment rights					$ 13,100	23,800	$ (86,500)	23,500
Transaction costs associated with CPRs issued						7,600
Investment Agreement | Searchlight
Schedule of Investments [Line Items]
Capital commitment						75,000		75,000
Net present value receivable			74,388			74,700		74,700
Net unamortized discount			612					300
Number of stages | item				2
Proceeds from issuance of shares			$ 350,000
Proceeds from issuance of common stock							$ 75,000
Number of shares issued | shares			6,352,842
Percentage of share issued			8.00%
Additional shares upon conversion of contingent payment right | shares	15,115,899	17,870,012	17,870,012
Percentage of additional shares approved after conversion of CPR	10.10%	16.90%	16.90%				10.10%
Percentage of stock on an as-converted basis							35.00%
Series A preferred stock issued (in shares) | shares	434,266
Temporary equity, par value (in dollars per share) | $ / shares	$ 0.01
Aggregate principal amount			$ 395,500
Deferred debt issuance costs			$ 146,018
Investment Agreement | Searchlight | Subordinated Debt
Schedule of Investments [Line Items]
Series A preferred stock issued (in shares) | shares	434,266
Interest rate (as a percent)					9.00%		9.00%
Preferred stock dividend rate							9.00%
Period of PIK option (in years)							5 years
Debt term (in years)							10 years
Carrying value	$ 285,900					238,700		238,700
Unamortized discount	139,700					144,800		144,800
Deferred debt issuance costs	$ 8,700					$ 12,000		$ 12,000
Paid-in-Kind interest							$ 38,800
Liquidation preference per share | $ / shares	$ 1,000
Investment Agreement | Searchlight | Maximum | Subordinated Debt
Schedule of Investments [Line Items]
Capital commitment				$ 425,000