SEGMENT REPORTING (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Interest income		$ 253,677	$ 232,198	$ 507,412	$ 634,571
Servicing revenue, net		(86,511)	(90,459)	427,037	(379,574)
Gain on originated mortgage loans, held-for-sale, net		286,885	304,984	690,319	478,561
Total revenues		454,051	446,723	1,624,768	733,558
Interest expense		106,539	116,403	225,444	333,258
General and administrative expenses		391,393	315,116	776,060	611,936
Total operating expenses		497,932	431,519	1,001,504	945,194
Change in fair value of investments		200,383	106,249	(65,183)	(460,027)
Gain (loss) on settlement of investments, net		(76,304)	(74,966)	(88,282)	(874,538)
Other income (loss), net		30,043	(6,659)	20,430	(43,449)
Total other income (loss)		154,122	24,624	(133,035)	(1,378,014)
Impairment		(34,408)	(21,710)	(54,015)	122,935
Income (Loss) Before Income Taxes		144,649	61,538	544,244	(1,712,585)
Income tax expense (benefit)		(1,077)	17,409	97,182	(149,459)
Net income (loss)		145,726	44,129	447,062	(1,563,126)
Noncontrolling interests in income (loss) of consolidated subsidiaries		10,053	38,640	19,447	22,478
Dividends on preferred stock		14,358	14,357	28,716	25,579
Net income (loss) attributable to common stockholders - basic		121,315	(8,868)	398,899	(1,611,183)
Investments		29,195,843		29,195,843
Cash and cash equivalents		956,242		956,242
Restricted cash	[1]	238,501		238,501			$ 135,619
Other assets		6,830,343		6,830,343
Goodwill		29,468		29,468			29,468
Total assets		37,250,397		37,250,397			33,252,114
Debt		29,137,273		29,137,273
Other liabilities		1,946,973		1,946,973
Total liabilities		31,084,246		31,084,246			27,822,430
Total equity		6,166,151	5,388,972	6,166,151	5,388,972	$ 5,621,813	5,429,684	$ 5,330,464	$ 7,236,260
Noncontrolling interests in equity of consolidated subsidiaries		94,100		94,100			108,668
Total New Residential stockholders’ equity		6,072,051		6,072,051			$ 5,321,016
Investments in equity method investees		107,251		107,251
Operating | Servicing and Origination
Segment Reporting Information [Line Items]
Interest income		97,493	118,464	199,590	242,039
Servicing revenue, net		(86,511)	(90,459)	427,037	(379,574)
Gain on originated mortgage loans, held-for-sale, net		273,697	306,833	650,585	471,899
Total revenues		284,679	334,838	1,277,212	334,364
Interest expense		63,564	66,372	133,529	137,778
General and administrative expenses		337,631	262,806	673,285	505,152
Total operating expenses		401,195	329,178	806,814	642,930
Change in fair value of investments		(38,798)	(107,620)	(66,400)	(241,961)
Gain (loss) on settlement of investments, net		1,568	(1,726)	(11,495)	(5,007)
Other income (loss), net		7,797	19,092	16,332	287
Total other income (loss)		(29,433)	(90,254)	(61,563)	(246,681)
Impairment		0	(91)	0	(91)
Income (Loss) Before Income Taxes		(145,949)	(84,503)	408,835	(555,156)
Income tax expense (benefit)		(18,386)	14,476	64,511	(77,306)
Net income (loss)		(127,563)	(98,979)	344,324	(477,850)
Noncontrolling interests in income (loss) of consolidated subsidiaries		1,400	13,010	6,233	3,046
Dividends on preferred stock		0	0	0	0
Net income (loss) attributable to common stockholders - basic		(128,963)	(111,989)	338,091	(480,896)
Investments		10,270,636		10,270,636
Cash and cash equivalents		684,177		684,177
Restricted cash		190,923		190,923
Other assets		4,551,069		4,551,069
Goodwill		29,468		29,468
Total assets		15,726,273		15,726,273
Debt		9,890,445		9,890,445
Other liabilities		1,633,911		1,633,911
Total liabilities		11,524,356		11,524,356
Total equity		4,201,917		4,201,917
Noncontrolling interests in equity of consolidated subsidiaries		51,659		51,659
Total New Residential stockholders’ equity		4,150,258		4,150,258
Investments in equity method investees		107,251		107,251
Operating | Consumer Loans
Segment Reporting Information [Line Items]
Interest income		24,930	32,787	50,396	67,659
Servicing revenue, net		0	0	0	0
Gain on originated mortgage loans, held-for-sale, net		0	0	0	0
Total revenues		24,930	32,787	50,396	67,659
Interest expense		2,873	6,215	5,891	12,882
General and administrative expenses		2,912	3,703	5,948	7,586
Total operating expenses		5,785	9,918	11,839	20,468
Change in fair value of investments		(1,626)	34,167	(7,630)	(5,750)
Gain (loss) on settlement of investments, net		0	0	0	0
Other income (loss), net		2,367	(4,183)	160	(5,017)
Total other income (loss)		741	29,984	(7,470)	(10,767)
Impairment		0	0	0	0
Income (Loss) Before Income Taxes		19,886	52,853	31,087	36,424
Income tax expense (benefit)		21	16	80	131
Net income (loss)		19,865	52,837	31,007	36,293
Noncontrolling interests in income (loss) of consolidated subsidiaries		8,653	25,630	13,214	19,432
Dividends on preferred stock		0	0	0	0
Net income (loss) attributable to common stockholders - basic		11,212	27,207	17,793	16,861
Investments		592,126		592,126
Cash and cash equivalents		9,141		9,141
Restricted cash		26,632		26,632
Other assets		60,031		60,031
Goodwill		0		0
Total assets		687,930		687,930
Debt		541,064		541,064
Other liabilities		770		770
Total liabilities		541,834		541,834
Total equity		146,096		146,096
Noncontrolling interests in equity of consolidated subsidiaries		42,441		42,441
Total New Residential stockholders’ equity		103,655		103,655
Investments in equity method investees		0		0
Operating | 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
Total revenues		0	0	0	0
Interest expense		9,009	8,666	17,935	8,666
General and administrative expenses		28,848	28,985	55,983	55,966
Total operating expenses		37,857	37,651	73,918	64,632
Change in fair value of investments		0	0	0	0
Gain (loss) on settlement of investments, net		(348)	0	(348)	0
Other income (loss), net		1,673	381	1,044	(46,769)
Total other income (loss)		1,325	381	696	(46,769)
Impairment		0	0	0	0
Income (Loss) Before Income Taxes		(36,532)	(37,270)	(73,222)	(111,401)
Income tax expense (benefit)		0	0	0	0
Net income (loss)		(36,532)	(37,270)	(73,222)	(111,401)
Noncontrolling interests in income (loss) of consolidated subsidiaries		0	0	0	0
Dividends on preferred stock		14,358	14,357	28,716	25,579
Net income (loss) attributable to common stockholders - basic		(50,890)	(51,627)	(101,938)	(136,980)
Investments		0		0
Cash and cash equivalents		32,559		32,559
Restricted cash		0		0
Other assets		45,646		45,646
Goodwill		0		0
Total assets		78,205		78,205
Debt		542,405		542,405
Other liabilities		129,759		129,759
Total liabilities		672,164		672,164
Total equity		(593,959)		(593,959)
Noncontrolling interests in equity of consolidated subsidiaries		0		0
Total New Residential stockholders’ equity		(593,959)		(593,959)
Investments in equity method investees		0		0
Eliminations
Segment Reporting Information [Line Items]
Interest income		0	0	0	0
Servicing revenue, net		(54,953)	(70,263)	(113,397)	(94,455)
Gain on originated mortgage loans, held-for-sale, net		(22,449)	(3,561)	(65,948)	(12,936)
Total revenues		(77,402)	(73,824)	(179,345)	(107,391)
Interest expense		0	0	0	0
General and administrative expenses		(54,953)	(70,263)	(113,397)	(94,455)
Total operating expenses		(54,953)	(70,263)	(113,397)	(94,455)
Change in fair value of investments		0	0	0	0
Gain (loss) on settlement of investments, net		0	0	0	0
Other income (loss), net		0	0	0	0
Total other income (loss)		0	0	0	0
Impairment		0	0	0	0
Income (Loss) Before Income Taxes		(22,449)	(3,561)	(65,948)	(12,936)
Income tax expense (benefit)		0	0	0	0
Net income (loss)		(22,449)	(3,561)	(65,948)	(12,936)
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 - basic		(22,449)	(3,561)	(65,948)	(12,936)
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
Origination | Operating | Servicing and Origination
Segment Reporting Information [Line Items]
Interest income		31,262	8,963	54,114	25,698
Servicing revenue, net		(5,077)	(1,998)	(13,187)	(3,076)
Gain on originated mortgage loans, held-for-sale, net		268,539	281,937	652,962	440,152
Total revenues		294,724	288,902	693,889	462,774
Interest expense		18,960	5,667	37,023	19,094
General and administrative expenses		200,551	102,462	390,477	202,674
Total operating expenses		219,511	108,129	427,500	221,768
Change in fair value of investments		0	0	0	0
Gain (loss) on settlement of investments, net		0	0	0	0
Other income (loss), net		138	390	197	374
Total other income (loss)		138	390	197	374
Impairment		0	0	0	0
Income (Loss) Before Income Taxes		75,351	181,163	266,586	241,380
Income tax expense (benefit)		19,029	50,285	55,415	66,999
Net income (loss)		56,322	130,878	211,171	174,381
Noncontrolling interests in income (loss) of consolidated subsidiaries		3,225	4,419	6,750	5,702
Dividends on preferred stock		0	0	0	0
Net income (loss) attributable to common stockholders - basic		53,097	126,459	204,421	168,679
Investments		4,599,186		4,599,186
Cash and cash equivalents		157,495		157,495
Restricted cash		17,673		17,673
Other assets		733,794		733,794
Goodwill		11,836		11,836
Total assets		5,519,984		5,519,984
Debt		4,309,548		4,309,548
Other liabilities		349,274		349,274
Total liabilities		4,658,822		4,658,822
Total equity		861,162		861,162
Noncontrolling interests in equity of consolidated subsidiaries		16,593		16,593
Total New Residential stockholders’ equity		844,569		844,569
Investments in equity method investees		0		0
Servicing | Operating | Servicing and Origination
Segment Reporting Information [Line Items]
Interest income		251	1,115	725	8,602
Servicing revenue, net		112,464	96,885	225,979	183,627
Gain on originated mortgage loans, held-for-sale, net		1,849	343	2,658	602
Total revenues		114,564	98,343	229,362	192,831
Interest expense		66	111	136	307
General and administrative expenses		82,164	73,907	166,403	138,259
Total operating expenses		82,230	74,018	166,539	138,566
Change in fair value of investments		0	0	0	0
Gain (loss) on settlement of investments, net		0	0	0	0
Other income (loss), net		0	0	1,102	499
Total other income (loss)		0	0	1,102	499
Impairment		0	0	0	0
Income (Loss) Before Income Taxes		32,334	24,325	63,925	54,764
Income tax expense (benefit)		8,101	6,752	16,016	15,201
Net income (loss)		24,233	17,573	47,909	39,563
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 - basic		24,233	17,573	47,909	39,563
Investments		0		0
Cash and cash equivalents		71,241		71,241
Restricted cash		52,466		52,466
Other assets		206,855		206,855
Goodwill		12,540		12,540
Total assets		343,102		343,102
Debt		0		0
Other liabilities		58,794		58,794
Total liabilities		58,794		58,794
Total equity		284,308		284,308
Noncontrolling interests in equity of consolidated subsidiaries		0		0
Total New Residential stockholders’ equity		284,308		284,308
Investments in equity method investees		0		0
MSR Related Investments | Operating | Servicing and Origination
Segment Reporting Information [Line Items]
Interest income		65,980	108,386	144,751	207,739
Servicing revenue, net		(138,945)	(115,083)	327,642	(465,670)
Gain on originated mortgage loans, held-for-sale, net		25,758	28,114	60,913	44,081
Total revenues		(47,207)	21,417	533,306	(213,850)
Interest expense		44,538	60,594	96,370	118,377
General and administrative expenses		109,869	156,700	229,802	258,674
Total operating expenses		154,407	217,294	326,172	377,051
Change in fair value of investments		(38,798)	(107,620)	(66,400)	(241,961)
Gain (loss) on settlement of investments, net		1,568	(1,726)	(11,495)	(5,007)
Other income (loss), net		7,659	18,702	15,033	(586)
Total other income (loss)		(29,571)	(90,644)	(62,862)	(247,554)
Impairment		0	(91)	0	(91)
Income (Loss) Before Income Taxes		(231,185)	(286,430)	144,272	(838,364)
Income tax expense (benefit)		(45,516)	(42,561)	(6,920)	(159,506)
Net income (loss)		(185,669)	(243,869)	151,192	(678,858)
Noncontrolling interests in income (loss) of consolidated subsidiaries		(1,825)	8,591	(517)	(2,656)
Dividends on preferred stock		0	0	0	0
Net income (loss) attributable to common stockholders - basic		(183,844)	(252,460)	151,709	(676,202)
Investments		5,671,450		5,671,450
Cash and cash equivalents		455,441		455,441
Restricted cash		120,784		120,784
Other assets		3,610,420		3,610,420
Goodwill		5,092		5,092
Total assets		9,863,187		9,863,187
Debt		5,580,897		5,580,897
Other liabilities		1,225,843		1,225,843
Total liabilities		6,806,740		6,806,740
Total equity		3,056,447		3,056,447
Noncontrolling interests in equity of consolidated subsidiaries		35,066		35,066
Total New Residential stockholders’ equity		3,021,381		3,021,381
Investments in equity method investees		107,251		107,251
Non-Agency | Operating | Residential Securities and Loans
Segment Reporting Information [Line Items]
Interest income		97,960	33,663	187,810	217,668
Servicing revenue, net		0	0	0	0
Gain on originated mortgage loans, held-for-sale, net		(3,638)	0	9,760	0
Total revenues		94,322	33,663	197,570	217,668
Interest expense		13,630	17,679	29,350	125,688
General and administrative expenses		1,034	344	2,190	7,198
Total operating expenses		14,664	18,023	31,540	132,886
Change in fair value of investments		119,565	79,704	(172,569)	(47,070)
Gain (loss) on settlement of investments, net		(76,270)	(31,864)	(104,626)	(871,116)
Other income (loss), net		0	(3)	(1,686)	(16)
Total other income (loss)		43,295	47,837	(278,881)	(918,202)
Impairment		(1,756)	(25,134)	(2,650)	19,015
Income (Loss) Before Income Taxes		124,709	88,611	(110,201)	(852,435)
Income tax expense (benefit)		0	0	0	0
Net income (loss)		124,709	88,611	(110,201)	(852,435)
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 - basic		124,709	88,611	(110,201)	(852,435)
Investments		14,956,889		14,956,889
Cash and cash equivalents		218,813		218,813
Restricted cash		20,033		20,033
Other assets		1,999,153		1,999,153
Goodwill		0		0
Total assets		17,194,888		17,194,888
Debt		15,611,309		15,611,309
Other liabilities		13,092		13,092
Total liabilities		15,624,401		15,624,401
Total equity		1,570,487		1,570,487
Noncontrolling interests in equity of consolidated subsidiaries		0		0
Total New Residential stockholders’ equity		1,570,487		1,570,487
Investments in equity method investees		0		0
Residential Mortgage Loans | Operating | Residential Securities and Loans
Segment Reporting Information [Line Items]
Interest income		33,294	47,284	69,616	107,205
Servicing revenue, net		0	0	0	0
Gain on originated mortgage loans, held-for-sale, net		16,826	(1,849)	29,974	6,662
Total revenues		50,120	45,435	99,590	113,867
Interest expense		17,463	17,471	38,739	48,244
General and administrative expenses		20,968	19,278	38,654	36,034
Total operating expenses		38,431	36,749	77,393	84,278
Change in fair value of investments		121,242	99,998	181,416	(165,246)
Gain (loss) on settlement of investments, net		(1,254)	(41,376)	28,187	1,585
Other income (loss), net		18,206	(21,946)	4,580	8,066
Total other income (loss)		138,194	36,676	214,183	(155,595)
Impairment		(32,652)	3,515	(51,365)	104,011
Income (Loss) Before Income Taxes		182,535	41,847	287,745	(230,017)
Income tax expense (benefit)		17,288	2,917	32,591	(72,284)
Net income (loss)		165,247	38,930	255,154	(157,733)
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 - basic		165,247	$ 38,930	255,154	$ (157,733)
Investments		3,376,192		3,376,192
Cash and cash equivalents		11,552		11,552
Restricted cash		913		913
Other assets		174,444		174,444
Goodwill		0		0
Total assets		3,563,101		3,563,101
Debt		2,552,050		2,552,050
Other liabilities		169,441		169,441
Total liabilities		2,721,491		2,721,491
Total equity		841,610		841,610
Noncontrolling interests in equity of consolidated subsidiaries		0		0
Total New Residential stockholders’ equity		841,610		841,610
Investments in equity method investees		$ 0		$ 0

[1] The Company's consolidated statements of financial condition include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations and liabilities of the VIE for which creditors do not have recourse to the primary beneficiary (New Residential). As of June 30, 2021, and December 31, 2020, total assets of consolidated VIEs were $2.6 billion and $2.7 billion, respectively, and total liabilities of consolidated VIEs were $2.1 billion and $2.1 billion, respectively. See Note 13 for further details.