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Aggregate dividends declared during the period for each share of common stock outstanding.

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Face amount or stated value per share of common stock.

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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The cash outflow for loan and debt issuance costs.

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STOCKHOLDERS' EQUITY (Details) $ / shares in Units, $ in Millions																		1 Months Ended	12 Months Ended
	Jun. 03, 2021 USD ($) shares	Jun. 01, 2021 USD ($) shares	Apr. 27, 2021 USD ($) shares	Feb. 01, 2021 shares	Jan. 27, 2021 shares	Jan. 25, 2021 USD ($) shares	Dec. 14, 2020 shares	Dec. 11, 2020 USD ($) shares	Nov. 10, 2020 USD ($) shares	Oct. 20, 2020 USD ($) shares	Sep. 24, 2020 USD ($) shares	Jul. 31, 2020 shares	Feb. 26, 2020 USD ($) $ / shares	Oct. 24, 2019 USD ($) $ / shares	Aug. 02, 2019 USD ($) $ / shares	May 03, 2019 USD ($) $ / shares	Feb. 15, 2019 USD ($) $ / shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) item $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares
STOCKHOLDERS' EQUITY
Gross proceeds																			$ 1,570.7	$ 264.7
Other financing costs																			$ 19.9	15.4	$ 11.9
Dividends
Cash dividend declared (in dollars per share) \| $ / shares													$ 0.03	$ 0.20	$ 0.20	$ 0.20	$ 0.20
Dividends declared													$ 3.2	$ 21.0	$ 21.3	$ 21.3	$ 21.3
Dividends and dividend equivalents																				6.5	84.1
Accrued unpaid dividends																		$ 0.4		$ 0.4	$ 2.3
Class A common stock
STOCKHOLDERS' EQUITY
Number of shares authorized \| shares																		524,173,073	524,173,073	524,173,073
Number of votes per share \| item																			1
Sell price per share \| $ / shares																		$ 0.01	$ 0.01	$ 0.01
Consideration received for conversion \| shares				46,103,784
Dividends
Cash dividend declared (in dollars per share) \| $ / shares																				$ 0.03	$ 0.20
Dividends and dividend equivalents																				$ 1.6	$ 41.7
Class A common stock \| Mudrick Capital Management LP
STOCKHOLDERS' EQUITY
Number of shares issued \| shares							21,978,022
Consideration received for commitment fee \| shares							8,241,758
Class A common stock \| Equity Distribution Agreement [Member]
STOCKHOLDERS' EQUITY
Number of shares authorized \| shares								178,000,000.0										90.9	241.6	90.9
Sell price per share \| $ / shares																		$ 0.01	$ 0.01	$ 0.01
Number of shares issued \| shares																		40,930,000	137,070,000.00
Gross proceeds																			$ 1,611.8	$ 272.8
Sales agents fees paid																			40.3	$ 8.1
Other financing costs																			$ 0.8
Class A common stock \| At-the-market equity offerings
STOCKHOLDERS' EQUITY
Number of shares issued \| shares	11,550,000		43,000,000.0			50,000,000.0		137,070,000.00	20,000,000.0	15,000,000.0	15,000,000.0							40,930,000	241,620,000	90,930,000
Gross proceeds	$ 587.4		$ 427.5			$ 244.3		$ 352.6	$ 61.4	$ 41.6	$ 56.1							$ 113.7	$ 1,611.8	$ 272.8
Reissuance of treasury stock shares \| shares			3,700,000
Amount reclassified into additional paid-in capital																			37.1
Amount reclassified into retained earnings																			$ 19.3
Class B common stock
STOCKHOLDERS' EQUITY
Number of shares authorized \| shares																		51,769,784	0	51,769,784
Sell price per share \| $ / shares																		$ 0.01	$ 0.01	$ 0.01
Dividends
Cash dividend declared (in dollars per share) \| $ / shares																				$ 0.03	$ 0.20
Dividends and dividend equivalents																				$ 1.6	$ 41.4
Class B common stock \| Wanda
STOCKHOLDERS' EQUITY
Shares forfeited \| shares					5,666,000
Dividend Equivalents
Dividends
Dividends and dividend equivalents																				$ 3.3	$ 1.0
First Lien Notes due 2026 \| Class A common stock
STOCKHOLDERS' EQUITY
Number of Prorata Shares \| shares												5,000,000							5,000,000
Second Lien Notes due 2026 \| Mudrick Capital Management LP
STOCKHOLDERS' EQUITY
Consideration received for conversion \| shares							13,736,264
Second Lien Notes due 2026 \| Class A common stock
STOCKHOLDERS' EQUITY
Consideration received for conversion \| shares																				137,400,000
Second Lien Notes due 2026 \| Private Placement \| Mudrick Capital Management LP
STOCKHOLDERS' EQUITY
Other financing costs		$ 0.1
Second Lien Notes due 2026 \| Class A common stock \| Mudrick Capital Management LP
STOCKHOLDERS' EQUITY
Gross proceeds		$ 230.5
Second Lien Notes due 2026 \| Class A common stock \| Private Placement \| Mudrick Capital Management LP
STOCKHOLDERS' EQUITY
Number of shares issued \| shares		8,500,000