EQUITY AND EARNINGS PER SHARE - Narrative (Details) - USD ($)									1 Months Ended				3 Months Ended			9 Months Ended		12 Months Ended
	Sep. 22, 2022	Sep. 16, 2022	Aug. 05, 2022	Sep. 22, 2021	Sep. 17, 2021	Apr. 16, 2021	Apr. 14, 2021	May 19, 2020	Sep. 30, 2021	Feb. 29, 2020	Aug. 31, 2019	Jul. 31, 2019	Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2020	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
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
Common stock, par value (in dollars per share)			$ 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
Preferred stock, par values (in dollars per share)													$ 0.01			$ 0.01		$ 0.01
Number of shares issued (in shares)																52,038,000		52,210,000
Shares issued, price per share (in dollars per share)					$ 10.89		$ 10.10
Options exercised (in shares)				1,600,000		6,725,000										0
Options granted (in shares)																0
Liquidation preference per share (in dollars per share)													25.00			$ 25.00
Shares repurchased																$ 3,800,000
Weighted average price of shares repurchased (in dollars per share)																$ 22.20
Dividends declared on preferred stock (in dollars per share)													1.76	$ 1.60		5.26	$ 4.23
Fair value of warrants															$ 53,500,000
Share price (in dollars per share)													$ 7.32			$ 7.32
Warrant
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Exercised		23,000,000
Common Stock
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Authorized repurchase amount																		$ 200,000,000
Cashless exercise of 2020 Warrants (in shares)													6,858,347			6,858,347
Cashless exercise of 2020 Warrants (par)													6,900,000			6,900,000
Preferred Stock
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Authorized repurchase amount																		$ 100,000,000
Underwritten Public Option
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of shares issued (in shares)							45,000,000
Shares issued, price per share (in dollars per share)							$ 10.10
Over-Allotment Option
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of shares issued (in shares)					2,550,000		6,750,000
Shares issued, price per share (in dollars per share)					$ 24.21		$ 10.10
Distribution Agreement | Common Stock
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of shares issued (in shares)													0
Net proceeds from liquidation			$ 500,000,000
Share-based Payment Arrangement, Nonemployee
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options granted (in shares)					1,900,000		5,200,000
Share-based Payment Arrangement, Nonemployee | Warrant
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options granted (in shares)								43,400,000
Exercise price range, lower range limit (in dollars per share)															$ 6.11
Exercise price range, upper range limit (in dollars per share)															$ 7.94
Expected term (in years)															3 years
Risk free interest rate															0.24%
Expected volatility rate															35.00%
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Exercised																21,000,000.0
Share-based Payment Arrangement, Nonemployee | Warrant | 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
Share-based Payment Arrangement, Nonemployee | Warrant | 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
7.00% Fixed-Rate Reset Series D Cumulative Redeemable Preferred Stock
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Preferred stock, par values (in dollars per share)					$ 0.01
Number of shares issued (in shares)																18,600,000		18,600,000
Interest rate					7.00%				7.00%
Liquidation preference per share (in dollars per share)					$ 25.00
Net proceeds from liquidation					$ 449,500,000
Dividends declared on preferred stock (in dollars per share)	$ 0.44												$ 0.44	0.28		$ 1.31	0.28
Preferred dividends	$ 8,100,000
7.00% Fixed-Rate Reset Series D Cumulative Redeemable Preferred Stock | Underwritten Public Option
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of shares issued (in shares)					17,000,000
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)																6,210,000		6,210,000
Interest rate												7.50%
Dividends declared on preferred stock (in dollars per share)	$ 0.47												0.47	0.47		$ 1.41	1.41
Preferred dividends	$ 2,900,000
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)																11,300,000		11,300,000
Interest rate											7.125%
Dividends declared on preferred stock (in dollars per share)	$ 0.45												0.45	0.45		$ 1.34	1.34
Preferred dividends	$ 5,000,000
6.375% Series C Preferred Stock
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of shares issued (in shares)																15,928,000		16,100,000
Interest rate										6.375%
Dividends declared on preferred stock (in dollars per share)	$ 0.40												$ 0.40	$ 0.40		$ 1.20	$ 1.20
Preferred dividends	$ 6,300,000