CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues	$ 3,715,496	$ 4,952,416	$ 3,785,076
Total revenues	3,798,177	4,952,416	3,785,076
Expenses
Interest expense and warehouse line fees	1,421,254	791,001	497,308
General and administrative	730,752	875,428	864,028
Compensation and benefits	787,092	1,231,446	1,159,810
Management fee to affiliate	0	46,174	95,926
Termination fee to affiliate	0	400,000	0
Total operating expenses	2,939,098	3,344,049	2,617,072
Other income (loss)
Realized and unrealized gains (losses), net	(37,236)	(200,181)	(207,437)
Other income (loss), net	(69,010)	(145,385)	3,241
Total other income (loss)	(106,246)	(345,566)	(204,196)
Income (loss) before income taxes	752,833	1,262,801	963,808
Income tax expense	122,159	279,516	158,226
Net income (loss)	630,674	983,285	805,582
Noncontrolling interests in income of consolidated subsidiaries	8,417	28,766	33,356
Dividends on preferred stock	89,579	89,726	66,744
Net income (loss) attributable to common stockholders - basic	532,678	864,793	705,482
Net income (loss) attributable to common stockholders - diluted	$ 532,678	$ 864,793	$ 705,482
Net income (loss) per share of common stock
Basic (in dollars per share)	$ 1.11	$ 1.84	$ 1.56
Diluted (in dollars per share)	$ 1.10	$ 1.80	$ 1.51
Weighted average number of shares of common stock outstanding
Basic (in shares)	481,934,951	468,836,718	451,276,742
Diluted (in shares)	483,716,715	481,636,125	467,665,006
Dividends declared per share of common stock (in dollars per share)	$ 1.00	$ 1.00	$ 0.90
Servicing fee revenue, net and interest income from MSRs and MSR financing receivables
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues	$ 1,860,255	$ 1,831,964	$ 1,559,554
Change in fair value of MSRs and MSR financing receivables (includes realization of cash flows of $(518,978), $(631,120) and $(1,192,646), respectively)
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues	(565,684)	727,334	(577,763)
Servicing revenue, net
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues	1,294,571	2,559,298	981,791
Interest income
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues	1,676,324	1,075,981	810,896
Gain on originated residential mortgage loans, held-for-sale, net
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues	508,434	1,086,232	1,826,909
Other revenues
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues	236,167	230,905	165,480
Asset management revenues
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate
Total revenues	$ 82,681	$ 0	$ 0