EQUITY AND EARNINGS PER SHARE - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions			1 Months Ended						3 Months Ended	12 Months Ended
	Dec. 12, 2023	Aug. 05, 2022	Dec. 31, 2023	Feb. 28, 2023	Sep. 30, 2021	Feb. 29, 2020	Aug. 31, 2019	Jul. 31, 2019	Jun. 30, 2020	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Nov. 30, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Common stock, shares authorized (in shares)			2,000,000,000							2,000,000,000	2,000,000,000			2,000,000,000	2,000,000,000	2,000,000,000	2,000,000,000	2,000,000,000	2,000,000,000
Common stock, par value (in dollars per share)		$ 0.01	$ 0.01							$ 0.01	$ 0.01			$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)			100,000,000							100,000,000	100,000,000			100,000,000	100,000,000	100,000,000	100,000,000	100,000,000	100,000,000
Preferred stock, par values (in dollars per share)			$ 0.01							$ 0.01	$ 0.01			$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 10.00
Number of shares issued (in shares)										51,964,000	51,964,000
Shares repurchased (in shares)										0
Dividends declared on preferred stock (in dollars per share)										$ 7.00	$ 7.00	$ 5.97
Options granted (in shares)										0	0
Warrants outstanding (in shares)			0							0
Total stock-based compensation expenses										$ 12.9
Vested (in shares)										192,678
Forfeited (in shares)										69,009
Aggregate unrecognized compensation cost			$ 61.3							$ 61.3
Weighted-average period										2 years 4 months 24 days
Warrant | Share-based Payment Arrangement, Nonemployee
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options granted (in shares)									43,400,000
Warrant | Share-based Payment Arrangement, Nonemployee | Exercise Price One
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Shares exercisable (in shares)									24,600,000
Exercise price (in dollars per share)									$ 6.11
Warrant | Share-based Payment Arrangement, Nonemployee | Exercise Price Two
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Shares exercisable (in shares)									18,900,000
Exercise price (in dollars per share)									$ 7.94
Restricted Stock Units (RSUs)
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Grant date fair value			34.7	$ 11.6
Vesting period										3 years
Vested (in shares)										0
Forfeited (in shares)										23,003
Phantom Share Units (PSUs)
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Grant date fair value										$ 23.1
Vesting period										3 years
Vested (in shares)										0
Forfeited (in shares)										46,006
RSU And PSU
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Vested (in shares)										0
Fair value of the RSU and PSU awards forfeited										$ 0.6
Restricted Stock
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Vested (in shares)										192,678
Vested, fair value										$ 0.7
Forfeited (in shares)										0
Profit Units | Long-Term Incentive Plan
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Grant date fair value										$ 21.7
Vesting period										3 years
Total stock-based compensation expenses										$ 1.2
Weighted-average period										2 years 10 months 17 days
Reserved shares of common stock for issuance (in shares)													1,000,000
Award requisite service period										5 years
Compensation liability			1.2							$ 1.2
Unrecognized compensation expense			$ 20.5							$ 20.5
7.50% Series A Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of shares issued (in shares)										6,200,000	6,200,000
Dividends declared on preferred stock (in dollars per share)	$ 0.47									$ 1.88	$ 1.88	1.88
Interest rate								7.50%		7.50%
Preferred dividends	$ 2.9
7.125% Series B Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of shares issued (in shares)										11,261,000	11,261,000
Dividends declared on preferred stock (in dollars per share)	$ 0.45									$ 1.78	$ 1.78	1.78
Interest rate							7.125%			7.125%
Preferred dividends	$ 5.0
6.375% Series C Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of shares issued (in shares)										15,903,000	15,903,000
Dividends declared on preferred stock (in dollars per share)	$ 0.40									$ 1.59	$ 1.59	1.59
Interest rate						6.375%				6.375%
Preferred dividends	$ 6.3
7.00% Fixed-Rate Reset Series D Cumulative Redeemable Preferred Stock
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of shares issued (in shares)										18,600,000	18,600,000
Dividends declared on preferred stock (in dollars per share)	$ 0.44									$ 1.75	$ 1.75	$ 0.72
Interest rate	7.00%				7.00%
Preferred dividends	$ 8.1
Common Stock
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Authorized repurchase amount											$ 200.0
Common Stock | Distribution Agreement
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Net proceeds from liquidation		$ 500.0
Number of shares issued (in shares)										0
Preferred Stock
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Authorized repurchase amount											$ 100.0