SUMMARY QUARTERLY CONSOLIDATED FINANCIAL INFORMATION (UNAUDITED) - Cash Flow Statement (Details) - USD ($) $ in Thousands	3 Months Ended								6 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash Flows From Operating Activities
Net income (loss)	$ (67,151)	$ 221,191	$ 386,685	$ 89,949	$ 105,833	$ 154,190	$ 33,331	$ 689,931	$ 476,634	$ 723,262	$ 697,825	$ 877,452	$ 630,674	$ 983,285	$ 805,582
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Change in fair value of investments, net				247,075				146,125	307,633	396,161	560,017	(560,492)	893,665	(1,069,927)	(40,576)
Change in fair value of equity investments				2,098				(256)	27,630	9,111	27,509	8,535	28,407	13,265	(5,986)
Change in fair value of secured notes and bonds payable				2,500				(7,194)	(2,049)	(35,151)	(5,890)	(50,279)	17,155	(45,792)	(12,991)
(Gain) loss on settlement of investments, net				(167,609)				(61,184)	(283,306)	(156,120)	(402,449)	843,837	(820,238)	1,354,263	205,220
(Gain) loss on sale of originated residential mortgage loans, held-for-sale, net				(109,268)				(461,908)	(287,852)	(773,478)	(437,082)	(981,364)	(533,477)	(1,092,749)	(1,787,851)
(Gain) loss on transfer of loans to real estate owned ("REO")				(3,276)				(2,944)	(7,472)	(4,039)	(10,120)	(6,263)	(10,224)	(7,726)	(3,752)
Accretion and other amortization				(12,766)				(13,351)	(29,892)	(30,287)	(74,730)	(37,634)	(106,421)	(80,957)	(46,241)
Provision (reversal) for credit losses on securities, loans and REO				(2,803)				3,740	3,009	7,528	6,455	14,272	(478)	14,962	(47,744)
Non-cash portions of servicing revenue, net				149,730				(645,018)	120,272	(981,581)	158,344	(890,281)	618,005	(639,945)	577,763
Deferred tax provision				(16,822)				201,354	39,626	275,458	86,324	297,517	90,002	271,167	151,200
Mortgage loans originated and purchased for sale, net of fees				(7,531,856)				(29,446,744)	(18,109,588)	(50,293,942)	(30,003,362)	(65,397,832)	(39,817,843)	(76,344,856)	(130,205,665)
Sales proceeds and loan repayment proceeds for residential mortgage loans, held-for-sale				8,137,021				32,408,766	18,174,194	54,533,386	30,088,541	70,570,337	39,340,813	81,547,076	132,114,445
Loan originations and draws of consolidated entities										(27,061)		(49,024)	0	(75,406)	0
Loan repayment proceeds of consolidated entities				57,854				154,840	130,704	294,364	196,166	372,950	278,920	431,065	753,101
Mortgage loans receivable repayment proceeds of consolidated CFEs				90,496					166,550	79,480	255,798	124,918	353,994	170,834	0
Interest received from servicer advance investments, loans and other				13,705				41,721	27,874	31,394	42,932	46,797	54,485	62,375	153,539
Changes in:
Servicer advances receivable, net				230,596				202,938	377,567	294,452	339,610	332,902	15,022	(36,695)	226,173
Other assets				50,472				(268,772)	16,191	72,498	15,312	(54,485)	(428,763)	405,469	939,953
Due to affiliates								(7,887)		(17,819)		(17,819)	0	(17,819)	8,369
Accrued expenses and other liabilities				21,346				285,517	83,799	132,325	199,341	317,256	89,897	(89,003)	(349,733)
Net cash provided by (used in) operating activities				1,248,442				3,219,674	1,231,524	4,529,941	1,740,541	5,761,300	693,595	5,752,886	3,434,806
Cash Flows From Investing Activities
Purchase of US Treasuries									(973,795)		(973,795)		(998,148)	0	0
Purchase of servicer advance investments				(232,446)				(257,807)	(445,470)	(500,000)	(644,594)	(744,671)	(852,015)	(988,847)	(1,286,526)
Purchase of RMBS				(2,883,278)				(1,006,483)	(2,898,237)	(1,052,724)	(4,094,458)	(9,597,580)	(4,094,934)	(15,629,483)	(6,099,550)
Purchase of residential mortgage loans				(1,269)				(7,182)	(1,269)	(7,182)	(1,269)	(7,182)	0	(7,182)	0
Purchase of SFR properties, MSRs and other assets				(4,607)				(239,347)	(11,975)	(355,002)	(72,503)	(396,981)	(106,351)	(416,610)	(1,390,317)
Purchase of mortgage loans receivable											(146,631)		(146,631)	0	0
Draws on revolving consumer loans				(6,831)				(7,163)	(13,493)	(14,350)	(20,675)	(22,070)	(27,510)	(29,615)	(29,002)
Net settlement of derivatives and hedges				225,560				65,436	291,174	279,306	390,415	282,827	867,637	311,073	(182,971)
Return of investments in Excess MSRs				7,821				2,680	16,489	7,873	23,066	12,264	31,940	17,701	54,037
Principal repayments from servicer advance investments				240,331				290,128	464,921	541,868	675,261	791,653	880,861	1,033,326	1,382,344
Principal repayments from RMBS				143,419				336,380	305,887	649,294	477,480	863,193	639,736	1,026,186	2,257,698
Principal repayments from residential mortgage loans				8,272				24,121	21,364	49,806	35,064	69,020	47,735	85,836	119,841
Principal repayments from consumer loans				24,784				39,935	86,164	79,298	267,820	112,228	439,540	140,574	214,619
Proceeds from sale of MSRs and MSR financing receivables				1,357				454	424,034	2,105	705,300	3,975	705,300	10,698	62,971
Proceeds from sale of RMBS				1,869,053					1,869,053	738,887	1,868,702	7,716,127	2,087,419	14,565,043	8,189,585
Proceeds from sale of REO				5,678				3,832	13,175	7,210	19,806	9,652	23,153	14,201	54,232
Purchase of MSRs, MSR financing receivables and servicer advances receivable								(655)		(603)		(1,259)
Principal repayments from MSRs and MSR financing receivables								703		1,216		1,509
Net cash provided by (used in) investing activities				(602,156)				(754,968)	(851,978)	427,002	(1,491,011)	(907,295)	216,721	132,901	2,183,712
Cash Flows From Financing Activities
Repayments of secured financing agreements				(11,327,261)				(9,638,525)	(24,321,697)	(23,318,214)	(31,733,802)	(39,920,856)	(48,921,875)	(55,998,234)	(69,206,600)
Repayments of warehouse credit facilities				(8,473,149)				(33,378,329)	(18,980,639)	(56,240,720)	(31,076,021)	(73,028,747)	(41,096,041)	(83,793,352)	(130,744,991)
Repayment of unsecured senior notes									0
Net settlement of margin deposits under repurchase agreements and derivatives				(387,780)				137,418	(411,796)	812,477	(676,511)	1,007,970	(862,662)	1,460,458	249,367
Repayments of secured notes and bonds payable				(1,677,534)				(1,047,972)	(3,538,076)	(2,220,042)	(5,024,509)	(3,174,439)	(7,636,954)	(4,696,136)	(8,078,073)
Deferred financing fees				(2,103)				(4,472)	(11,740)	(1,398)	(7,084)	(8,992)	(7,364)	(11,062)	(8,385)
Dividends paid on common and preferred stock				(140,968)				(139,185)	(284,262)	(278,293)	(427,583)	(417,445)	(570,878)	(558,301)	(438,544)
Borrowings under secured financing agreements				12,240,027				10,081,997	26,093,901	21,936,667	34,530,433	39,713,905	50,079,186	54,385,892	64,749,425
Borrowings under warehouse credit facilities				8,062,420				29,622,712	18,706,720	50,995,092	30,625,465	66,296,292	41,065,479	76,069,417	129,899,057
Borrowings under secured notes and bonds payable				1,303,796				1,351,203	2,425,593	2,605,887	3,561,756	3,777,252	6,669,483	5,868,761	7,964,077
Proceeds from issuance of debt obligations of consolidated CFEs								1,160,218	150,586	1,466,538	150,586	1,700,810	725,901	1,919,160	725,397
Repayments of debt obligations of consolidated CFEs				(51,983)				(150,961)	(127,404)	(297,527)	(190,881)	(374,170)	(269,563)	(430,042)	(1,145,324)
Issuance of common and preferred stock													0	0	962,910
Repurchase of common and preferred stock								(3,814)		(3,814)		(3,814)	0	(5,227)	0
Noncontrolling interest in equity of consolidated subsidiaries - distributions				(5,430)				(8,879)	(12,405)	(15,968)	(17,597)	(21,391)	(17,261)	(27,047)	(78,123)
Payment of contingent consideration								(12,276)					0	(2,355)	(12,276)
Net cash provided by (used in) financing activities				(459,965)				(2,030,865)	(311,219)	(4,559,315)	(285,748)	(4,453,625)	(842,549)	(5,818,068)	(5,162,083)
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash				186,321				433,841	68,327	397,628	(36,218)	400,380	67,767	67,719	456,435
Cash, Cash Equivalents, and Restricted Cash, Beginning of Period	1,593,110	1,697,655	1,815,649	1,629,328	1,961,989	1,959,237	1,995,450	1,561,609	1,629,328	1,561,609	1,629,328	1,561,609	1,629,328	1,561,609	1,105,174
Cash, Cash Equivalents, and Restricted Cash, End of Period	1,697,095	1,593,110	1,697,655	1,815,649	1,629,328	1,961,989	1,959,237	1,995,450	1,697,655	1,959,237	1,593,110	1,961,989	1,697,095	1,629,328	1,561,609
Supplemental Disclosure of Cash Flow Information
Cash paid during the period for interest				313,870				150,121	680,330	318,438	975,872	531,903	1,484,094	825,224	578,681
Cash paid during the period for income taxes				402				36	1,798	1,636	1,798	1,757	6,524	4,012	23,506
Supplemental Schedule of Non-Cash Investing and Financing Activities
Dividends declared but not paid on common and preferred stock				143,149				139,158	143,225	139,141	143,199	140,856	143,199	140,984	139,170
Transfer from residential mortgage loans to REO and other assets				6,025				(2,034)	14,662	4,890	21,135	10,762	21,943	14,936	30,020
Real estate securities retained from loan securitizations								0	0	0	0	0	0	0	45,967
Residential mortgage loans subject to repurchase	1,782,998	1,443,546	1,296,097	1,189,907	1,219,890	1,897,142	1,758,509	1,700,426	1,296,097	1,758,509	1,443,546	1,897,142	1,782,998	1,219,890	1,787,314
Purchase of Agency RMBS, settled after quarter-end												498,933	0	731,216	0
Cashless exercise of 2020 Warrants (par)				93					93		93		93	69	0
Marcus Acquisition
Supplemental Schedule of Non-Cash Investing and Financing Activities
Seller financing in acquisition									1,317,347		1,317,347		1,317,347	0	0
As Reported
Cash Flows From Operating Activities
Net income (loss)	(67,151)	221,191	386,685	89,949	105,833	154,190	33,331	689,931	476,634	723,262	697,825	877,452	630,674	983,285	805,582
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Change in fair value of investments, net				243,258				147,119	269,530	381,159	516,114	(587,181)	843,878	(1,108,366)	(11,723)
Change in fair value of equity investments				2,098				(256)	27,630	9,111	27,509	8,535	28,407	13,265	(5,986)
Change in fair value of secured notes and bonds payable				2,500				(7,194)	(2,049)	(35,151)	(5,890)	(50,279)	17,155	(45,792)	(12,991)
(Gain) loss on settlement of investments, net				(167,609)				(61,184)	(283,306)	(156,120)	(402,449)	843,837	(820,238)	1,354,263	232,151
(Gain) loss on sale of originated residential mortgage loans, held-for-sale, net				(109,268)				(471,996)	(261,090)	(776,787)	(410,320)	(980,266)	(508,434)	(1,086,232)	(1,826,909)
(Gain) loss on transfer of loans to real estate owned ("REO")				(3,276)				(2,944)	(7,472)	(4,039)	(10,120)	(6,263)	(10,224)	(7,726)	(3,752)
Accretion and other amortization				(18,270)				(15,095)	(37,711)	(34,731)	(85,063)	(45,230)	(120,699)	(91,891)	(49,382)
Provision (reversal) for credit losses on securities, loans and REO				(2,803)				3,740	3,009	7,528	6,455	14,272	(478)	14,962	(47,744)
Non-cash portions of servicing revenue, net				149,730				(645,018)	120,272	(981,581)	158,344	(890,281)	618,005	(639,945)	577,763
Deferred tax provision				(16,822)				201,354	39,626	275,458	86,324	297,517	90,002	271,167	151,200
Mortgage loans originated and purchased for sale, net of fees				(7,531,856)				(29,446,744)	(18,109,588)	(50,321,003)	(30,003,362)	(65,446,856)	(39,817,843)	(76,420,262)	(130,737,605)
Sales proceeds and loan repayment proceeds for residential mortgage loans, held-for-sale				8,227,517				33,244,922	18,491,330	55,755,342	30,494,925	72,072,003	40,420,708	83,313,008	132,834,967
Loan originations and draws of consolidated entities										0		0		0
Loan repayment proceeds of consolidated entities				0				0	0	0	0	0	0	0	0
Mortgage loans receivable repayment proceeds of consolidated CFEs				0					0	0	0	0	0	0
Interest received from servicer advance investments, loans and other				13,705				41,721	27,874	31,394	42,932	46,797	54,485	62,375	153,539
Changes in:
Servicer advances receivable, net				230,596				202,938	377,567	294,452	339,610	332,902	15,022	(36,695)	226,173
Other assets				50,472				(268,772)	16,191	72,498	15,312	(54,485)	(428,763)	405,469	939,953
Due to affiliates								(7,887)		(17,819)		(17,819)		(17,819)	8,369
Accrued expenses and other liabilities				21,346				285,517	83,799	132,325	199,341	317,256	89,897	(89,003)	(349,733)
Net cash provided by (used in) operating activities				1,181,267				3,890,152	1,232,246	5,355,298	1,667,487	6,731,911	1,101,554	6,874,063	2,883,872
Cash Flows From Investing Activities
Purchase of US Treasuries									(973,795)		(973,795)		(998,148)
Purchase of servicer advance investments				(232,446)				(257,807)	(445,470)	(500,000)	(644,594)	(744,671)	(852,015)	(988,847)	(1,286,526)
Purchase of RMBS				(2,883,278)				(1,006,483)	(2,898,237)	(1,052,724)	(4,094,458)	(9,597,580)	(4,094,934)	(15,629,483)	(6,099,550)
Purchase of residential mortgage loans				(1,269)				(7,182)	(1,269)	(7,182)	(1,269)	(7,182)	0	(7,182)
Purchase of SFR properties, MSRs and other assets				(4,607)				(239,347)	(11,975)	(355,002)	(72,503)	(396,981)	(106,351)	(416,610)	(1,390,317)
Purchase of mortgage loans receivable											(146,631)		(146,631)
Draws on revolving consumer loans				(6,831)				(7,163)	(13,493)	(14,350)	(20,675)	(22,070)	(27,510)	(29,615)	(29,002)
Net settlement of derivatives and hedges				225,560				65,436	291,174	279,306	390,415	282,827	867,637	311,073	(182,971)
Return of investments in Excess MSRs				7,821				2,680	16,489	7,873	23,066	12,264	31,940	17,701	54,037
Principal repayments from servicer advance investments				240,331				290,128	464,921	541,868	675,261	791,653	880,861	1,033,326	1,382,344
Principal repayments from RMBS				155,002				355,028	331,176	687,624	514,553	915,913	693,546	1,091,538	2,330,850
Principal repayments from residential mortgage loans				8,272				24,121	21,364	49,806	35,064	69,020	47,735	85,836	119,841
Principal repayments from consumer loans				24,784				39,935	86,164	79,298	267,820	112,228	439,540	140,574	214,619
Proceeds from sale of MSRs and MSR financing receivables				1,357				454	424,034	2,105	705,300	3,975	705,300	10,698	62,971
Proceeds from sale of RMBS				1,869,053					1,869,053	738,887	1,868,702	7,716,127	2,087,419	14,565,043	8,238,974
Proceeds from sale of REO				5,678				3,832	13,175	7,210	19,806	9,652	23,153	14,201	54,232
Purchase of MSRs, MSR financing receivables and servicer advances receivable								(655)		(603)		(1,259)
Principal repayments from MSRs and MSR financing receivables								703		1,216		1,509
Net cash provided by (used in) investing activities				(590,573)				(736,320)	(826,689)	465,332	(1,453,938)	(854,575)	252,518	198,253	2,306,253
Cash Flows From Financing Activities
Repayments of secured financing agreements				(11,327,261)				(9,638,525)	(24,321,697)	(23,318,214)	(31,733,802)	(39,920,856)	(48,921,875)	(55,998,234)	(69,206,600)
Repayments of warehouse credit facilities				(8,473,149)				(33,378,329)	(18,980,639)	(56,240,720)	(31,076,021)	(73,028,747)	(41,096,041)	(83,793,352)	(130,744,991)
Repayment of unsecured senior notes									0
Net settlement of margin deposits under repurchase agreements and derivatives				(387,780)				137,418	(411,796)	812,477	(676,511)	1,007,970	(862,662)	1,460,458	249,367
Repayments of secured notes and bonds payable				(1,677,534)				(1,047,972)	(3,538,076)	(2,220,042)	(5,024,509)	(3,174,439)	(7,636,954)	(4,696,136)	(8,078,073)
Deferred financing fees				(2,103)				(4,472)	(11,740)	(1,398)	(7,084)	(8,992)	(7,364)	(11,062)	(8,385)
Dividends paid on common and preferred stock				(140,968)				(139,185)	(284,262)	(278,293)	(427,583)	(417,445)	(570,878)	(558,301)	(438,544)
Borrowings under secured financing agreements				12,240,027				10,081,997	26,093,901	21,936,667	34,530,433	39,713,905	50,079,186	54,385,892	64,749,425
Borrowings under warehouse credit facilities				8,062,420				29,622,712	18,706,720	50,995,092	30,625,465	66,296,292	41,065,479	76,069,417	129,899,057
Borrowings under secured notes and bonds payable				1,303,796				1,675,265	2,425,593	2,929,949	3,561,756	4,101,314	6,669,483	6,192,823	7,964,077
Proceeds from issuance of debt obligations of consolidated CFEs								0	0	0	0	0	0	0	0
Repayments of debt obligations of consolidated CFEs				0				0	0	0	0	0	0	0	0
Issuance of common and preferred stock															962,910
Repurchase of common and preferred stock								(3,814)		(3,814)		(3,814)		(5,227)
Noncontrolling interest in equity of consolidated subsidiaries - distributions				(5,430)				(8,879)	(12,405)	(15,968)	(17,597)	(21,391)	(17,261)	(27,047)	(78,123)
Payment of contingent consideration								(12,276)					0	(2,355)	(12,276)
Net cash provided by (used in) financing activities				(407,982)				(2,716,060)	(334,401)	(5,404,264)	(245,453)	(5,456,203)	(1,298,887)	(6,983,124)	(4,742,156)
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash				182,712				437,772	71,156	416,366	(31,904)	421,133	55,185	89,192	447,969
Cash, Cash Equivalents, and Restricted Cash, Beginning of Period	1,585,730	1,688,790	1,800,346	1,617,634	1,949,575	1,944,808	1,966,214	1,528,442	1,617,634	1,528,442	1,617,634	1,528,442	1,617,634	1,528,442	1,080,473
Cash, Cash Equivalents, and Restricted Cash, End of Period	1,672,819	1,585,730	1,688,790	1,800,346	1,617,634	1,949,575	1,944,808	1,966,214	1,688,790	1,944,808	1,585,730	1,949,575	1,672,819	1,617,634	1,528,442
Supplemental Disclosure of Cash Flow Information
Cash paid during the period for interest				286,434				132,817	624,519	280,007	893,204	468,991	1,361,090	734,232	505,978
Cash paid during the period for income taxes				402				36	1,798	1,636	1,798	1,757	6,524	4,012	23,506
Supplemental Schedule of Non-Cash Investing and Financing Activities
Dividends declared but not paid on common and preferred stock				143,149				139,158	143,225	139,141	143,199	140,856	143,199	140,984	139,170
Transfer from residential mortgage loans to REO and other assets				6,025				(2,034)	14,662	4,890	21,135	10,762	21,943	14,936	30,020
Real estate securities retained from loan securitizations								113,695	15,241	100,324	15,241	167,246	113,136	206,082	173,631
Residential mortgage loans subject to repurchase	1,782,998	1,443,546	1,296,097	1,189,907	1,219,890	1,897,142	1,758,509	1,700,426	1,296,097	1,758,509	1,443,546	1,897,142	1,782,998	1,219,890	1,787,314
Purchase of Agency RMBS, settled after quarter-end												498,933		731,216
Cashless exercise of 2020 Warrants (par)				93					93		93		93	69
As Reported | Marcus Acquisition
Supplemental Schedule of Non-Cash Investing and Financing Activities
Seller financing in acquisition									1,317,347		1,317,347		1,317,347
Error Adjustments
Cash Flows From Operating Activities
Net income (loss)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Change in fair value of investments, net				3,817				(994)	38,103	15,002	43,903	26,689	49,787	38,439	(28,853)
Change in fair value of equity investments				0				0	0	0	0	0	0	0	0
Change in fair value of secured notes and bonds payable				0				0	0	0	0	0	0	0	0
(Gain) loss on settlement of investments, net				0				0	0	0	0	0	0	0	(26,931)
(Gain) loss on sale of originated residential mortgage loans, held-for-sale, net				0				10,088	(26,762)	3,309	(26,762)	(1,098)	(25,043)	(6,517)	39,058
(Gain) loss on transfer of loans to real estate owned ("REO")				0				0	0	0	0	0	0	0	0
Accretion and other amortization				5,504				1,744	7,819	4,444	10,333	7,596	14,278	10,934	3,141
Provision (reversal) for credit losses on securities, loans and REO				0				0	0	0	0	0	0	0	0
Non-cash portions of servicing revenue, net				0				0	0	0	0	0	0	0	0
Deferred tax provision				0				0	0	0	0	0	0	0	0
Mortgage loans originated and purchased for sale, net of fees				0				0	0	0	0	0	0	0	531,940
Sales proceeds and loan repayment proceeds for residential mortgage loans, held-for-sale				0				(836,156)	(150,586)	(1,142,476)	(150,586)	(1,376,748)	(725,901)	(1,595,098)	(720,522)
Loan originations and draws of consolidated entities										0		0		0
Loan repayment proceeds of consolidated entities				57,854				154,840	130,704	294,364	196,166	372,950	278,920	431,065	753,101
Mortgage loans receivable repayment proceeds of consolidated CFEs				0					0	0	0	0	0	0
Interest received from servicer advance investments, loans and other				0				0	0	0	0	0	0	0	0
Changes in:
Servicer advances receivable, net				0				0	0	0	0	0	0	0	0
Other assets				0				0	0	0	0	0	0	0	0
Due to affiliates								0		0		0		0	0
Accrued expenses and other liabilities				0				0	0	0	0	0	0	0	0
Net cash provided by (used in) operating activities				67,175				(670,478)	(722)	(825,357)	73,054	(970,611)	(407,959)	(1,121,177)	550,934
Cash Flows From Investing Activities
Purchase of US Treasuries									0		0		0
Purchase of servicer advance investments				0				0	0	0	0	0	0	0	0
Purchase of RMBS				0				0	0	0	0	0	0	0	0
Purchase of residential mortgage loans				0				0	0	0	0	0	0	0
Purchase of SFR properties, MSRs and other assets				0				0	0	0	0	0	0	0	0
Purchase of mortgage loans receivable											0		0
Draws on revolving consumer loans				0				0	0	0	0	0	0	0	0
Net settlement of derivatives and hedges				0				0	0	0	0	0	0	0	0
Return of investments in Excess MSRs				0				0	0	0	0	0	0	0	0
Principal repayments from servicer advance investments				0				0	0	0	0	0	0	0	0
Principal repayments from RMBS				(11,583)				(18,648)	(25,289)	(38,330)	(37,073)	(52,720)	(53,810)	(65,352)	(73,152)
Principal repayments from residential mortgage loans				0				0	0	0	0	0	0	0	0
Principal repayments from consumer loans				0				0	0	0	0	0	0	0	0
Proceeds from sale of MSRs and MSR financing receivables				0				0	0	0	0	0	0	0	0
Proceeds from sale of RMBS				0					0	0	0	0	0	0	(49,389)
Proceeds from sale of REO				0				0	0	0	0	0	0	0	0
Purchase of MSRs, MSR financing receivables and servicer advances receivable								0		0		0
Principal repayments from MSRs and MSR financing receivables								0		0		0
Net cash provided by (used in) investing activities				(11,583)				(18,648)	(25,289)	(38,330)	(37,073)	(52,720)	(35,797)	(65,352)	(122,541)
Cash Flows From Financing Activities
Repayments of secured financing agreements				0				0	0	0	0	0	0	0	0
Repayments of warehouse credit facilities				0				0	0	0	0	0	0	0	0
Repayment of unsecured senior notes									0
Net settlement of margin deposits under repurchase agreements and derivatives				0				0	0	0	0	0	0	0	0
Repayments of secured notes and bonds payable				0				0	0	0	0	0	0	0	0
Deferred financing fees				0				0	0	0	0	0	0	0	0
Dividends paid on common and preferred stock				0				0	0	0	0	0	0	0	0
Borrowings under secured financing agreements				0				0	0	0	0	0	0	0	0
Borrowings under warehouse credit facilities				0				0	0	0	0	0	0	0	0
Borrowings under secured notes and bonds payable				0				0	0	0	0	0	0	0	0
Proceeds from issuance of debt obligations of consolidated CFEs								836,156	150,586	1,142,476	150,586	1,376,748	725,901	1,595,098	725,397
Repayments of debt obligations of consolidated CFEs				(51,983)				(150,961)	(127,404)	(297,527)	(190,881)	(374,170)	(269,563)	(430,042)	(1,145,324)
Issuance of common and preferred stock															0
Repurchase of common and preferred stock								0		0		0		0
Noncontrolling interest in equity of consolidated subsidiaries - distributions				0				0	0	0	0	0	0	0	0
Payment of contingent consideration								0					0	0	0
Net cash provided by (used in) financing activities				(51,983)				685,195	23,182	844,949	(40,295)	1,002,578	456,338	1,165,056	(419,927)
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash				3,609				(3,931)	(2,829)	(18,738)	(4,314)	(20,753)	12,582	(21,473)	8,466
Cash, Cash Equivalents, and Restricted Cash, Beginning of Period	7,380	8,865	15,303	11,694	12,414	14,429	29,236	33,167	11,694	33,167	11,694	33,167	11,694	33,167	24,701
Cash, Cash Equivalents, and Restricted Cash, End of Period	24,276	7,380	8,865	15,303	11,694	12,414	14,429	29,236	8,865	14,429	7,380	12,414	24,276	11,694	33,167
Supplemental Disclosure of Cash Flow Information
Cash paid during the period for interest				27,436				17,304	55,811	38,431	82,668	62,912	123,004	90,992	72,703
Cash paid during the period for income taxes				0				0	0	0	0	0	0	0	0
Supplemental Schedule of Non-Cash Investing and Financing Activities
Dividends declared but not paid on common and preferred stock				0				0	0	0	0	0	0	0	0
Transfer from residential mortgage loans to REO and other assets				0				0	0	0	0	0	0	0	0
Real estate securities retained from loan securitizations								(113,695)	(15,241)	(100,324)	(15,241)	(167,246)	(113,136)	(206,082)	(127,664)
Residential mortgage loans subject to repurchase	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Purchase of Agency RMBS, settled after quarter-end												0		0
Cashless exercise of 2020 Warrants (par)				0					0		0		0	0
Error Adjustments | Marcus Acquisition
Supplemental Schedule of Non-Cash Investing and Financing Activities
Seller financing in acquisition									0		0		0
Subtotal
Cash Flows From Operating Activities
Net income (loss)	(67,151)	221,191	386,685	89,949	105,833	154,190	33,331	689,931	476,634	723,262	697,825	877,452	630,674	983,285	805,582
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Change in fair value of investments, net				247,075				146,125	307,633	396,161	560,017	(560,492)	893,665	(1,069,927)	(40,576)
Change in fair value of equity investments				2,098				(256)	27,630	9,111	27,509	8,535	28,407	13,265	(5,986)
Change in fair value of secured notes and bonds payable				2,500				(7,194)	(2,049)	(35,151)	(5,890)	(50,279)	17,155	(45,792)	(12,991)
(Gain) loss on settlement of investments, net				(167,609)				(61,184)	(283,306)	(156,120)	(402,449)	843,837	(820,238)	1,354,263	205,220
(Gain) loss on sale of originated residential mortgage loans, held-for-sale, net				(109,268)				(461,908)	(287,852)	(773,478)	(437,082)	(981,364)	(533,477)	(1,092,749)	(1,787,851)
(Gain) loss on transfer of loans to real estate owned ("REO")				(3,276)				(2,944)	(7,472)	(4,039)	(10,120)	(6,263)	(10,224)	(7,726)	(3,752)
Accretion and other amortization				(12,766)				(13,351)	(29,892)	(30,287)	(74,730)	(37,634)	(106,421)	(80,957)	(46,241)
Provision (reversal) for credit losses on securities, loans and REO				(2,803)				3,740	3,009	7,528	6,455	14,272	(478)	14,962	(47,744)
Non-cash portions of servicing revenue, net				149,730				(645,018)	120,272	(981,581)	158,344	(890,281)	618,005	(639,945)	577,763
Deferred tax provision				(16,822)				201,354	39,626	275,458	86,324	297,517	90,002	271,167	151,200
Mortgage loans originated and purchased for sale, net of fees				(7,531,856)				(29,446,744)	(18,109,588)	(50,321,003)	(30,003,362)	(65,446,856)	(39,817,843)	(76,420,262)	(130,205,665)
Sales proceeds and loan repayment proceeds for residential mortgage loans, held-for-sale				8,227,517				32,408,766	18,340,744	54,612,866	30,344,339	70,695,255	39,694,807	81,717,910	132,114,445
Loan originations and draws of consolidated entities										0		0		0
Loan repayment proceeds of consolidated entities				57,854				154,840	130,704	294,364	196,166	372,950	278,920	431,065	753,101
Mortgage loans receivable repayment proceeds of consolidated CFEs				0					0	0	0	0	0	0
Interest received from servicer advance investments, loans and other				13,705				41,721	27,874	31,394	42,932	46,797	54,485	62,375	153,539
Changes in:
Servicer advances receivable, net				230,596				202,938	377,567	294,452	339,610	332,902	15,022	(36,695)	226,173
Other assets				50,472				(268,772)	16,191	72,498	15,312	(54,485)	(428,763)	405,469	939,953
Due to affiliates								(7,887)		(17,819)		(17,819)		(17,819)	8,369
Accrued expenses and other liabilities				21,346				285,517	83,799	132,325	199,341	317,256	89,897	(89,003)	(349,733)
Net cash provided by (used in) operating activities				1,248,442				3,219,674	1,231,524	4,529,941	1,740,541	5,761,300	693,595	5,752,886	3,434,806
Cash Flows From Investing Activities
Purchase of US Treasuries									(973,795)		(973,795)		(998,148)
Purchase of servicer advance investments				(232,446)				(257,807)	(445,470)	(500,000)	(644,594)	(744,671)	(852,015)	(988,847)	(1,286,526)
Purchase of RMBS				(2,883,278)				(1,006,483)	(2,898,237)	(1,052,724)	(4,094,458)	(9,597,580)	(4,094,934)	(15,629,483)	(6,099,550)
Purchase of residential mortgage loans				(1,269)				(7,182)	(1,269)	(7,182)	(1,269)	(7,182)	0	(7,182)
Purchase of SFR properties, MSRs and other assets				(4,607)				(239,347)	(11,975)	(355,002)	(72,503)	(396,981)	(106,351)	(416,610)	(1,390,317)
Purchase of mortgage loans receivable											(146,631)		(146,631)
Draws on revolving consumer loans				(6,831)				(7,163)	(13,493)	(14,350)	(20,675)	(22,070)	(27,510)	(29,615)	(29,002)
Net settlement of derivatives and hedges				225,560				65,436	291,174	279,306	390,415	282,827	867,637	311,073	(182,971)
Return of investments in Excess MSRs				7,821				2,680	16,489	7,873	23,066	12,264	31,940	17,701	54,037
Principal repayments from servicer advance investments				240,331				290,128	464,921	541,868	675,261	791,653	880,861	1,033,326	1,382,344
Principal repayments from RMBS				143,419				336,380	305,887	649,294	477,480	863,193	639,736	1,026,186	2,257,698
Principal repayments from residential mortgage loans				8,272				24,121	21,364	49,806	35,064	69,020	47,735	85,836	119,841
Principal repayments from consumer loans				24,784				39,935	86,164	79,298	267,820	112,228	439,540	140,574	214,619
Proceeds from sale of MSRs and MSR financing receivables				1,357				454	424,034	2,105	705,300	3,975	705,300	10,698	62,971
Proceeds from sale of RMBS				1,869,053					1,869,053	738,887	1,868,702	7,716,127	2,087,419	14,565,043	8,189,585
Proceeds from sale of REO				5,678				3,832	13,175	7,210	19,806	9,652	23,153	14,201	54,232
Purchase of MSRs, MSR financing receivables and servicer advances receivable								(655)		(603)		(1,259)
Principal repayments from MSRs and MSR financing receivables								703		1,216		1,509
Net cash provided by (used in) investing activities				(602,156)				(754,968)	(851,978)	427,002	(1,491,011)	(907,295)	216,721	132,901	2,183,712
Cash Flows From Financing Activities
Repayments of secured financing agreements				(11,327,261)				(9,638,525)	(24,321,697)	(23,318,214)	(31,733,802)	(39,920,856)	(48,921,875)	(55,998,234)	(69,206,600)
Repayments of warehouse credit facilities				(8,473,149)				(33,378,329)	(18,980,639)	(56,240,720)	(31,076,021)	(73,028,747)	(41,096,041)	(83,793,352)	(130,744,991)
Repayment of unsecured senior notes									0
Net settlement of margin deposits under repurchase agreements and derivatives				(387,780)				137,418	(411,796)	812,477	(676,511)	1,007,970	(862,662)	1,460,458	249,367
Repayments of secured notes and bonds payable				(1,677,534)				(1,047,972)	(3,538,076)	(2,220,042)	(5,024,509)	(3,174,439)	(7,636,954)	(4,696,136)	(8,078,073)
Deferred financing fees				(2,103)				(4,472)	(11,740)	(1,398)	(7,084)	(8,992)	(7,364)	(11,062)	(8,385)
Dividends paid on common and preferred stock				(140,968)				(139,185)	(284,262)	(278,293)	(427,583)	(417,445)	(570,878)	(558,301)	(438,544)
Borrowings under secured financing agreements				12,240,027				10,081,997	26,093,901	21,936,667	34,530,433	39,713,905	50,079,186	54,385,892	64,749,425
Borrowings under warehouse credit facilities				8,062,420				29,622,712	18,706,720	50,995,092	30,625,465	66,296,292	41,065,479	76,069,417	129,899,057
Borrowings under secured notes and bonds payable				1,303,796				1,675,265	2,425,593	2,929,949	3,561,756	4,101,314	6,669,483	6,192,823	7,964,077
Proceeds from issuance of debt obligations of consolidated CFEs								836,156	150,586	1,142,476	150,586	1,376,748	725,901	1,595,098	725,397
Repayments of debt obligations of consolidated CFEs				(51,983)				(150,961)	(127,404)	(297,527)	(190,881)	(374,170)	(269,563)	(430,042)	(1,145,324)
Issuance of common and preferred stock															962,910
Repurchase of common and preferred stock								(3,814)		(3,814)		(3,814)		(5,227)
Noncontrolling interest in equity of consolidated subsidiaries - distributions				(5,430)				(8,879)	(12,405)	(15,968)	(17,597)	(21,391)	(17,261)	(27,047)	(78,123)
Payment of contingent consideration								(12,276)						(2,355)	(12,276)
Net cash provided by (used in) financing activities				(459,965)				(2,030,865)	(311,219)	(4,559,315)	(285,748)	(4,453,625)	(842,549)	(5,818,068)	(5,162,083)
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash				186,321				433,841	68,327	397,628	(36,218)	400,380	67,767	67,719	456,435
Cash, Cash Equivalents, and Restricted Cash, Beginning of Period	1,593,110	1,697,655	1,815,649	1,629,328	1,961,989	1,959,237	1,995,450	1,561,609	1,629,328	1,561,609	1,629,328	1,561,609	1,629,328	1,561,609	1,105,174
Cash, Cash Equivalents, and Restricted Cash, End of Period	1,697,095	1,593,110	1,697,655	1,815,649	1,629,328	1,961,989	1,959,237	1,995,450	1,697,655	1,959,237	1,593,110	1,961,989	1,697,095	1,629,328	1,561,609
Supplemental Disclosure of Cash Flow Information
Cash paid during the period for interest				313,870				150,121	680,330	318,438	975,872	531,903	1,484,094	825,224	578,681
Cash paid during the period for income taxes				402				36	1,798	1,636	1,798	1,757	6,524	4,012	23,506
Supplemental Schedule of Non-Cash Investing and Financing Activities
Dividends declared but not paid on common and preferred stock				143,149				139,158	143,225	139,141	143,199	140,856	143,199	140,984	139,170
Transfer from residential mortgage loans to REO and other assets				6,025				(2,034)	14,662	4,890	21,135	10,762	21,943	14,936	30,020
Real estate securities retained from loan securitizations								0	0	0	0	0	0	0	45,967
Residential mortgage loans subject to repurchase	1,782,998	1,443,546	1,296,097	1,189,907	1,219,890	1,897,142	1,758,509	1,700,426	1,296,097	1,758,509	1,443,546	1,897,142	1,782,998	1,219,890	1,787,314
Purchase of Agency RMBS, settled after quarter-end												498,933		731,216
Cashless exercise of 2020 Warrants (par)				93					93		93		93	69
Subtotal | Marcus Acquisition
Supplemental Schedule of Non-Cash Investing and Financing Activities
Seller financing in acquisition									1,317,347		1,317,347		1,317,347
Reclassifications
Cash Flows From Operating Activities
Net income (loss)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Change in fair value of investments, net				0				0	0	0	0	0	0	0	0
Change in fair value of equity investments				0				0	0	0	0	0	0	0	0
Change in fair value of secured notes and bonds payable				0				0	0	0	0	0	0	0	0
(Gain) loss on settlement of investments, net				0				0	0	0	0	0	0	0	0
(Gain) loss on sale of originated residential mortgage loans, held-for-sale, net				0				0	0	0	0	0	0	0	0
(Gain) loss on transfer of loans to real estate owned ("REO")				0				0	0	0	0	0	0	0	0
Accretion and other amortization				0				0	0	0	0	0	0	0	0
Provision (reversal) for credit losses on securities, loans and REO				0				0	0	0	0	0	0	0	0
Non-cash portions of servicing revenue, net				0				0	0	0	0	0	0	0	0
Deferred tax provision				0				0	0	0	0	0	0	0	0
Mortgage loans originated and purchased for sale, net of fees				0				0	0	27,061	0	49,024	0	75,406	0
Sales proceeds and loan repayment proceeds for residential mortgage loans, held-for-sale				(90,496)				0	(166,550)	(79,480)	(255,798)	(124,918)	(353,994)	(170,834)	0
Loan originations and draws of consolidated entities										(27,061)		(49,024)		(75,406)
Loan repayment proceeds of consolidated entities				0				0	0	0	0	0	0	0	0
Mortgage loans receivable repayment proceeds of consolidated CFEs				90,496					166,550	79,480	255,798	124,918	353,994	170,834
Interest received from servicer advance investments, loans and other				0				0	0	0	0	0	0	0	0
Changes in:
Servicer advances receivable, net				0				0	0	0	0	0	0	0	0
Other assets				0				0	0	0	0	0	0	0	0
Due to affiliates								0		0		0		0	0
Accrued expenses and other liabilities				0				0	0	0	0	0	0	0	0
Net cash provided by (used in) operating activities				0				0	0	0	0	0	0	0	0
Cash Flows From Investing Activities
Purchase of US Treasuries									0		0		0
Purchase of servicer advance investments				0				0	0	0	0	0	0	0	0
Purchase of RMBS				0				0	0	0	0	0	0	0	0
Purchase of residential mortgage loans				0				0	0	0	0	0	0	0
Purchase of SFR properties, MSRs and other assets				0				0	0	0	0	0	0	0	0
Purchase of mortgage loans receivable											0		0
Draws on revolving consumer loans				0				0	0	0	0	0	0	0	0
Net settlement of derivatives and hedges				0				0	0	0	0	0	0	0	0
Return of investments in Excess MSRs				0				0	0	0	0	0	0	0	0
Principal repayments from servicer advance investments				0				0	0	0	0	0	0	0	0
Principal repayments from RMBS				0				0	0	0	0	0	0	0	0
Principal repayments from residential mortgage loans				0				0	0	0	0	0	0	0	0
Principal repayments from consumer loans				0				0	0	0	0	0	0	0	0
Proceeds from sale of MSRs and MSR financing receivables				0				0	0	0	0	0	0	0	0
Proceeds from sale of RMBS				0					0	0	0	0	0	0	0
Proceeds from sale of REO				0				0	0	0	0	0	0	0	0
Purchase of MSRs, MSR financing receivables and servicer advances receivable								0		0		0
Principal repayments from MSRs and MSR financing receivables								0		0		0
Net cash provided by (used in) investing activities				0				0	0	0	0	0	0	0	0
Cash Flows From Financing Activities
Repayments of secured financing agreements				0				0	0	0	0	0	0	0	0
Repayments of warehouse credit facilities				0				0	0	0	0	0	0	0	0
Repayment of unsecured senior notes									0
Net settlement of margin deposits under repurchase agreements and derivatives				0				0	0	0	0	0	0	0	0
Repayments of secured notes and bonds payable				0				0	0	0	0	0	0	0	0
Deferred financing fees				0				0	0	0	0	0	0	0	0
Dividends paid on common and preferred stock				0				0	0	0	0	0	0	0	0
Borrowings under secured financing agreements				0				0	0	0	0	0	0	0	0
Borrowings under warehouse credit facilities				0				0	0	0	0	0	0	0	0
Borrowings under secured notes and bonds payable				0				(324,062)	0	(324,062)	0	(324,062)	0	(324,062)	0
Proceeds from issuance of debt obligations of consolidated CFEs								324,062	0	324,062	0	324,062	0	324,062	0
Repayments of debt obligations of consolidated CFEs				0				0	0	0	0	0	0	0	0
Issuance of common and preferred stock															0
Repurchase of common and preferred stock								0		0		0		0
Noncontrolling interest in equity of consolidated subsidiaries - distributions				0				0	0	0	0	0	0	0	0
Payment of contingent consideration								0					0	0	0
Net cash provided by (used in) financing activities				0				0	0	0	0	0	0	0	0
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash				0				0	0	0	0	0	0	0	0
Cash, Cash Equivalents, and Restricted Cash, Beginning of Period	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Cash, Cash Equivalents, and Restricted Cash, End of Period	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Supplemental Disclosure of Cash Flow Information
Cash paid during the period for interest				0				0	0	0	0	0	0	0	0
Cash paid during the period for income taxes				0				0	0	0	0	0	0	0	0
Supplemental Schedule of Non-Cash Investing and Financing Activities
Dividends declared but not paid on common and preferred stock				0				0	0	0	0	0	0	0	0
Transfer from residential mortgage loans to REO and other assets				0				0	0	0	0	0	0	0	0
Real estate securities retained from loan securitizations								0	0	0	0	0	0	0	0
Residential mortgage loans subject to repurchase	$ 0	$ 0	$ 0	0	$ 0	$ 0	$ 0	$ 0	0	$ 0	0	0	0	0	$ 0
Purchase of Agency RMBS, settled after quarter-end												$ 0		0
Cashless exercise of 2020 Warrants (par)				$ 0					0		0		0	$ 0
Reclassifications | Marcus Acquisition
Supplemental Schedule of Non-Cash Investing and Financing Activities
Seller financing in acquisition									$ 0		$ 0		$ 0