SEGMENT REPORTING (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Interest income	$ 232,198	$ 416,047	$ 634,571	$ 854,914
Servicing revenue, net	(90,459)	(85,537)	(379,574)	80,316
Gain on originated mortgage loans, held-for-sale, net	310,022	101,018	489,720	168,188
Revenues	451,761	431,528	744,717	1,103,418
Operating expenses	436,536	429,867	956,309	823,086
Other income (loss)	24,603	(25,947)	(1,378,058)	(89,913)
Impairment	(21,710)	22,311	122,935	35,107
Income (loss) before income taxes	61,538	(46,597)	(1,712,585)	155,312
Income tax expense (benefit)	17,409	(21,577)	(149,459)	24,420
Net income (loss)	44,129	(25,020)	(1,563,126)	130,892
Noncontrolling interests in income (loss) of consolidated subsidiaries	38,640	6,923	22,478	17,241
Dividends on Preferred Stock	14,357	0	25,579	0
Net Income (Loss) Attributable to Common Stockholders	(8,868)	(31,943)	(1,611,183)	113,651
Investments	17,314,600		17,314,600
Cash and cash equivalents	1,013,208		1,013,208
Restricted cash	138,932		138,932			$ 162,197
Other assets	5,255,941		5,255,941
Goodwill	29,468		29,468			29,737
Total assets	23,752,149		23,752,149			44,863,454
Debt	16,584,343		16,584,343
Other liabilities	1,778,834		1,778,834
Total liabilities	18,363,177		18,363,177			37,627,194
Total equity	5,388,972	6,800,830	5,388,972	6,800,830	$ 5,330,464	7,236,260	$ 6,912,209	$ 6,088,295
Noncontrolling interests in equity of consolidated subsidiaries	96,681		96,681			78,550
Total New Residential stockholders’ equity	5,292,291		5,292,291			$ 7,157,710
Investments in equity method investees	147,017		147,017
Operating | Servicing and Origination
Segment Reporting Information [Line Items]
Interest income	118,464	147,416	242,039	279,216
Servicing revenue, net	(90,459)	(85,537)	(379,574)	80,316
Gain on originated mortgage loans, held-for-sale, net	311,871	76,074	483,058	127,400
Revenues	339,876	137,953	345,523	486,932
Operating expenses	334,195	234,217	654,045	427,545
Other income (loss)	(90,275)	(67,437)	(246,725)	(88,243)
Impairment	(91)	0	(91)	0
Income (loss) before income taxes	(84,503)	(163,701)	(555,156)	(28,856)
Income tax expense (benefit)	14,475	(54,244)	(77,307)	(14,870)
Net income (loss)	(98,978)	(109,457)	(477,849)	(13,986)
Noncontrolling interests in income (loss) of consolidated subsidiaries	13,010	1,874	3,046	4,732
Dividends on Preferred Stock	0	0	0	0
Net Income (Loss) Attributable to Common Stockholders	(111,988)	(111,331)	(480,895)	(18,718)
Investments	7,789,588		7,789,588
Cash and cash equivalents	604,967		604,967
Restricted cash	95,632		95,632
Other assets	3,594,745		3,594,745
Goodwill	29,468		29,468
Total assets	12,114,400		12,114,400
Debt	7,998,064		7,998,064
Other liabilities	466,639		466,639
Total liabilities	8,464,703		8,464,703
Total equity	3,649,697		3,649,697
Noncontrolling interests in equity of consolidated subsidiaries	55,519		55,519
Total New Residential stockholders’ equity	3,594,178		3,594,178
Investments in equity method investees	147,017		147,017
Operating | Consumer Loans
Segment Reporting Information [Line Items]
Interest income	32,787	43,839	67,659	88,244
Servicing revenue, net	0	0	0	0
Gain on originated mortgage loans, held-for-sale, net	0	0	0	0
Revenues	32,787	43,839	67,659	88,244
Operating expenses	9,918	15,834	20,468	32,456
Other income (loss)	29,984	(12,204)	(10,767)	(7,673)
Impairment	0	7,652	0	18,736
Income (loss) before income taxes	52,853	8,149	36,424	29,379
Income tax expense (benefit)	16	179	131	258
Net income (loss)	52,837	7,970	36,293	29,121
Noncontrolling interests in income (loss) of consolidated subsidiaries	25,630	5,049	19,432	12,509
Dividends on Preferred Stock	0	0	0	0
Net Income (Loss) Attributable to Common Stockholders	27,207	2,921	16,861	16,612
Investments	766,462		766,462
Cash and cash equivalents	7,477		7,477
Restricted cash	32,041		32,041
Other assets	60,095		60,095
Goodwill	0		0
Total assets	866,075		866,075
Debt	722,839		722,839
Other liabilities	3,916		3,916
Total liabilities	726,755		726,755
Total equity	139,320		139,320
Noncontrolling interests in equity of consolidated subsidiaries	41,162		41,162
Total New Residential stockholders’ equity	98,158		98,158
Investments in equity method investees	0		0
Eliminations
Segment Reporting Information [Line Items]
Interest income	0	0	0	0
Servicing revenue, net	(61,726)	(20,778)	(85,918)	(26,913)
Gain on originated mortgage loans, held-for-sale, net	(3,561)	(10,218)	(12,936)	(19,303)
Revenues	(65,287)	(30,996)	(98,854)	(46,216)
Operating expenses	(61,726)	(20,778)	(85,918)	(26,913)
Other income (loss)	0	0	0	0
Impairment	0	0	0	0
Income (loss) before income taxes	(3,561)	(10,218)	(12,936)	(19,303)
Income tax expense (benefit)	0	0	0	0
Net income (loss)	(3,561)	(10,218)	(12,936)	(19,303)
Noncontrolling interests in income (loss) of consolidated subsidiaries	0	0	0	0
Dividends on Preferred Stock	0	0	0	0
Net Income (Loss) Attributable to Common Stockholders	(3,561)	(10,218)	(12,936)	(19,303)
Investments	0		0
Cash and cash equivalents	0		0
Restricted cash	0		0
Other assets	0		0
Goodwill	0		0
Total assets	0		0
Debt	0		0
Other liabilities	0		0
Total liabilities	0		0
Total equity	0		0
Noncontrolling interests in equity of consolidated subsidiaries	0		0
Total New Residential stockholders’ equity	0		0
Investments in equity method investees	0		0
Corporate
Segment Reporting Information [Line Items]
Interest income	0	0	0	0
Servicing revenue, net	0	0	0	0
Gain on originated mortgage loans, held-for-sale, net	0	0	0	0
Revenues	0	0	0	0
Operating expenses	37,651	23,466	64,632	59,075
Other income (loss)	381	2,992	(46,769)	5,704
Impairment	0	0	0	0
Income (loss) before income taxes	(37,270)	(20,474)	(111,401)	(53,371)
Income tax expense (benefit)	0	0	0	0
Net income (loss)	(37,270)	(20,474)	(111,401)	(53,371)
Noncontrolling interests in income (loss) of consolidated subsidiaries	0	0	0	0
Dividends on Preferred Stock	14,357	0	25,579	0
Net Income (Loss) Attributable to Common Stockholders	(51,627)	(20,474)	(136,980)	(53,371)
Investments	0		0
Cash and cash equivalents	269,983		269,983
Restricted cash	0		0
Other assets	27,315		27,315
Goodwill	0		0
Total assets	297,298		297,298
Debt	533,383		533,383
Other liabilities	68,942		68,942
Total liabilities	602,325		602,325
Total equity	(305,027)		(305,027)
Noncontrolling interests in equity of consolidated subsidiaries	0		0
Total New Residential stockholders’ equity	(305,027)		(305,027)
Investments in equity method investees	0		0
Origination | Operating | Servicing and Origination
Segment Reporting Information [Line Items]
Interest income	8,963	9,280	25,698	14,864
Servicing revenue, net	(1,998)	(397)	(3,076)	(667)
Gain on originated mortgage loans, held-for-sale, net	281,937	73,943	440,152	124,755
Revenues	288,902	82,826	462,774	138,952
Operating expenses	108,129	64,404	221,768	115,925
Other income (loss)	390	(102)	374	957
Impairment	0	0	0	0
Income (loss) before income taxes	181,163	18,320	241,380	23,984
Income tax expense (benefit)	20,083	10,810	32,041	12,359
Net income (loss)	161,080	7,510	209,339	11,625
Noncontrolling interests in income (loss) of consolidated subsidiaries	4,419	1,543	5,702	1,950
Dividends on Preferred Stock	0	0	0	0
Net Income (Loss) Attributable to Common Stockholders	156,661	5,967	203,637	9,675
Investments	1,750,568		1,750,568
Cash and cash equivalents	159,242		159,242
Restricted cash	3,224		3,224
Other assets	231,088		231,088
Goodwill	11,836		11,836
Total assets	2,155,958		2,155,958
Debt	1,607,829		1,607,829
Other liabilities	201,530		201,530
Total liabilities	1,809,359		1,809,359
Total equity	346,599		346,599
Noncontrolling interests in equity of consolidated subsidiaries	15,186		15,186
Total New Residential stockholders’ equity	331,413		331,413
Investments in equity method investees	0		0
Servicing | Operating | Servicing and Origination
Segment Reporting Information [Line Items]
Interest income	1,115	8,151	8,602	14,334
Servicing revenue, net	96,885	48,563	183,627	92,084
Gain on originated mortgage loans, held-for-sale, net	343	244	602	333
Revenues	98,343	56,958	192,831	106,751
Operating expenses	74,018	40,632	138,566	76,952
Other income (loss)	0	0	499	0
Impairment	0	0	0	0
Income (loss) before income taxes	24,325	16,326	54,764	29,799
Income tax expense (benefit)	1,224	11,669	7,269	15,355
Net income (loss)	23,101	4,657	47,495	14,444
Noncontrolling interests in income (loss) of consolidated subsidiaries	0	0	0	0
Dividends on Preferred Stock	0	0	0	0
Net Income (Loss) Attributable to Common Stockholders	23,101	4,657	47,495	14,444
Investments	0		0
Cash and cash equivalents	83,066		83,066
Restricted cash	5,209		5,209
Other assets	197,243		197,243
Goodwill	12,540		12,540
Total assets	298,058		298,058
Debt	6,669		6,669
Other liabilities	55,774		55,774
Total liabilities	62,443		62,443
Total equity	235,615		235,615
Noncontrolling interests in equity of consolidated subsidiaries	0		0
Total New Residential stockholders’ equity	235,615		235,615
Investments in equity method investees	0		0
MSR Related Investments | Operating | Servicing and Origination
Segment Reporting Information [Line Items]
Interest income	108,386	129,985	207,739	250,018
Servicing revenue, net	(123,620)	(112,925)	(474,207)	15,812
Gain on originated mortgage loans, held-for-sale, net	33,152	12,105	55,240	21,615
Revenues	17,918	29,165	(211,228)	287,445
Operating expenses	213,774	149,959	379,629	261,581
Other income (loss)	(90,665)	(67,335)	(247,598)	(89,200)
Impairment	(91)	0	(91)	0
Income (loss) before income taxes	(286,430)	(188,129)	(838,364)	(63,336)
Income tax expense (benefit)	(6,832)	(76,723)	(116,617)	(42,584)
Net income (loss)	(279,598)	(111,406)	(721,747)	(20,752)
Noncontrolling interests in income (loss) of consolidated subsidiaries	8,591	331	(2,656)	2,782
Dividends on Preferred Stock	0	0	0	0
Net Income (Loss) Attributable to Common Stockholders	(288,189)	(111,737)	(719,091)	(23,534)
Investments	6,039,020		6,039,020
Cash and cash equivalents	362,659		362,659
Restricted cash	87,199		87,199
Other assets	3,166,414		3,166,414
Goodwill	5,092		5,092
Total assets	9,660,384		9,660,384
Debt	6,383,566		6,383,566
Other liabilities	209,335		209,335
Total liabilities	6,592,901		6,592,901
Total equity	3,067,483		3,067,483
Noncontrolling interests in equity of consolidated subsidiaries	40,333		40,333
Total New Residential stockholders’ equity	3,027,150		3,027,150
Investments in equity method investees	147,017		147,017
Real Estate Securities | Operating | Residential Securities and Loans
Segment Reporting Information [Line Items]
Interest income	33,663	168,489	217,668	372,962
Servicing revenue, net	0	0	0	0
Gain on originated mortgage loans, held-for-sale, net	0	0	0	0
Revenues	33,663	168,489	217,668	372,962
Operating expenses	18,023	107,765	132,886	210,254
Other income (loss)	47,837	(37,446)	(918,202)	(84,404)
Impairment	(25,134)	8,859	19,015	16,375
Income (loss) before income taxes	88,611	14,419	(852,435)	61,929
Income tax expense (benefit)	0	0	0	0
Net income (loss)	88,611	14,419	(852,435)	61,929
Noncontrolling interests in income (loss) of consolidated subsidiaries	0	0	0	0
Dividends on Preferred Stock	0	0	0	0
Net Income (Loss) Attributable to Common Stockholders	88,611	14,419	(852,435)	61,929
Investments	6,144,236		6,144,236
Cash and cash equivalents	111,571		111,571
Restricted cash	11,259		11,259
Other assets	217,354		217,354
Goodwill	0		0
Total assets	6,484,420		6,484,420
Debt	5,314,581		5,314,581
Other liabilities	119,506		119,506
Total liabilities	5,434,087		5,434,087
Total equity	1,050,333		1,050,333
Noncontrolling interests in equity of consolidated subsidiaries	0		0
Total New Residential stockholders’ equity	1,050,333		1,050,333
Investments in equity method investees	0		0
Residential Mortgage Loans | Operating | Residential Securities and Loans
Segment Reporting Information [Line Items]
Interest income	47,284	56,303	107,205	114,492
Servicing revenue, net	0	0	0	0
Gain on originated mortgage loans, held-for-sale, net	(1,849)	24,944	6,662	40,788
Revenues	45,435	81,247	113,867	155,280
Operating expenses	36,749	48,585	84,278	93,756
Other income (loss)	36,676	88,148	(155,595)	84,703
Impairment	3,515	5,800	104,011	(4)
Income (loss) before income taxes	41,847	115,010	(230,017)	146,231
Income tax expense (benefit)	2,918	32,488	(72,283)	39,032
Net income (loss)	38,929	82,522	(157,734)	107,199
Noncontrolling interests in income (loss) of consolidated subsidiaries	0	0	0	0
Dividends on Preferred Stock	0	0	0	0
Net Income (Loss) Attributable to Common Stockholders	38,929	$ 82,522	(157,734)	$ 107,199
Investments	2,614,314		2,614,314
Cash and cash equivalents	19,210		19,210
Restricted cash	0		0
Other assets	1,356,432		1,356,432
Goodwill	0		0
Total assets	3,989,956		3,989,956
Debt	2,015,476		2,015,476
Other liabilities	1,119,831		1,119,831
Total liabilities	3,135,307		3,135,307
Total equity	854,649		854,649
Noncontrolling interests in equity of consolidated subsidiaries	0		0
Total New Residential stockholders’ equity	854,649		854,649
Investments in equity method investees	$ 0		$ 0