SEGMENT REPORTING - Summary of Segment Financial Data (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Segment Reporting Information [Line Items]
Interest income		$ 182,341	$ 97,587	$ 444,891	$ 261,733
Interest expense		77,558	33,307	193,408	108,816
Net interest income (expense)		104,783	64,280	251,483	152,917
Impairment		(1,767)	1,134	5,702	2,534
Other income		(17,825)	122,064	32,120	335,003
Operating expenses		32,902	25,311	90,124	64,732
Income (Loss) Before Income Taxes		55,823	159,899	187,777	420,654
Income tax expense (benefit)		(5,932)	7,801	4,947	29,483
Net Income (Loss)		61,755	152,098	182,830	391,171
Noncontrolling interests in income (loss) of consolidated subsidiaries		7,230	25,726	17,174	92,524
Net income (loss) attributable to common stockholders		54,525	126,372	165,656	298,647
Investments		12,385,696		12,385,696
Cash and cash equivalents		348,312		348,312
Restricted cash		165,039		165,039		$ 29,418
Derivative assets		1,318		1,318		32,597
Other assets		2,455,853		2,455,853
Total assets		15,356,218		15,356,218		8,089,244
Debt	[1]	11,019,080		11,019,080		6,057,853
Other liabilities		1,311,067		1,311,067
Total liabilities		12,330,147		12,330,147		6,239,319
Total equity		3,026,071		3,026,071		1,849,925
Noncontrolling interests in equity of consolidated subsidiaries		219,538		219,538		253,836
Total New Residential stockholders’ equity		2,806,533		2,806,533		$ 1,596,089
Investments in equity method investees		213,318		213,318
Operating Segments [Member] | Excess MSRs [Member]
Segment Reporting Information [Line Items]
Interest income		38,477	12,914	87,874	37,703
Interest expense		0	3	0	1,294
Net interest income (expense)		38,477	12,911	87,874	36,409
Impairment		0	0	0	0
Other income		10,227	60,722	18,415	91,943
Operating expenses		168	103	517	488
Income (Loss) Before Income Taxes		48,536	73,530	105,772	127,864
Income tax expense (benefit)		0	0	0	0
Net Income (Loss)		48,536	73,530	105,772	127,864
Noncontrolling interests in income (loss) of consolidated subsidiaries		0	0	0	0
Net income (loss) attributable to common stockholders		48,536	73,530	105,772	127,864
Investments		1,673,008		1,673,008
Cash and cash equivalents		237		237
Restricted cash		499		499
Derivative assets		0		0
Other assets		34		34
Total assets		1,673,778		1,673,778
Debt		0		0
Other liabilities		350		350
Total liabilities		350		350
Total equity		1,673,428		1,673,428
Noncontrolling interests in equity of consolidated subsidiaries		0		0
Total New Residential stockholders’ equity		1,673,428		1,673,428
Investments in equity method investees		213,318		213,318
Operating Segments [Member] | Servicer Advances [Member]
Segment Reporting Information [Line Items]
Interest income		105,135	50,967	256,087	153,790
Interest expense		64,291	25,157	151,377	86,885
Net interest income (expense)		40,844	25,810	104,710	66,905
Impairment		0	0	0	0
Other income		(12,554)	22,948	835	105,657
Operating expenses		10,341	4,796	12,604	5,815
Income (Loss) Before Income Taxes		17,949	43,962	92,941	166,747
Income tax expense (benefit)		(4,852)	7,403	7,565	29,085
Net Income (Loss)		22,801	36,559	85,376	137,662
Noncontrolling interests in income (loss) of consolidated subsidiaries		7,230	25,726	22,332	92,524
Net income (loss) attributable to common stockholders		15,571	10,833	63,044	45,138
Investments		7,499,775		7,499,775
Cash and cash equivalents		151,833		151,833
Restricted cash		162,728		162,728
Derivative assets		1,318		1,318
Other assets		179,950		179,950
Total assets		7,995,604		7,995,604
Debt		7,038,079		7,038,079
Other liabilities		29,582		29,582
Total liabilities		7,067,661		7,067,661
Total equity		927,943		927,943
Noncontrolling interests in equity of consolidated subsidiaries		219,538		219,538
Total New Residential stockholders’ equity		708,405		708,405
Investments in equity method investees		0		0
Operating Segments [Member] | Real Estate Securities [Member]
Segment Reporting Information [Line Items]
Interest income		28,984	11,179	66,699	41,939
Interest expense		5,150	1,932	12,171	9,513
Net interest income (expense)		23,834	9,247	54,528	32,426
Impairment		1,574	0	3,294	943
Other income		(28,354)	955	(37,655)	59,410
Operating expenses		766	169	769	800
Income (Loss) Before Income Taxes		(6,860)	10,033	12,810	90,093
Income tax expense (benefit)		0	0	0	0
Net Income (Loss)		(6,860)	10,033	12,810	90,093
Noncontrolling interests in income (loss) of consolidated subsidiaries		0	0	0	0
Net income (loss) attributable to common stockholders		(6,860)	10,033	12,810	90,093
Investments		2,428,729		2,428,729
Cash and cash equivalents		6,169		6,169
Restricted cash		0		0
Derivative assets		0		0
Other assets		2,103,217		2,103,217
Total assets		4,538,115		4,538,115
Debt		3,034,649		3,034,649
Other liabilities		1,090,460		1,090,460
Total liabilities		4,125,109		4,125,109
Total equity		413,006		413,006
Noncontrolling interests in equity of consolidated subsidiaries		0		0
Total New Residential stockholders’ equity		413,006		413,006
Investments in equity method investees		0		0
Operating Segments [Member] | Real Estate Loans [Member]
Segment Reporting Information [Line Items]
Interest income		8,888	22,526	32,408	28,300
Interest expense		4,651	5,065	15,929	6,454
Net interest income (expense)		4,237	17,461	16,479	21,846
Impairment		(3,341)	1,134	2,408	1,591
Other income		(1,530)	14,950	20,063	17,808
Operating expenses		2,845	3,163	14,557	4,140
Income (Loss) Before Income Taxes		3,203	28,114	19,577	33,923
Income tax expense (benefit)		(1,405)	306	(2,942)	306
Net Income (Loss)		4,608	27,808	22,519	33,617
Noncontrolling interests in income (loss) of consolidated subsidiaries		0	0	0	0
Net income (loss) attributable to common stockholders		4,608	27,808	22,519	33,617
Investments		784,184		784,184
Cash and cash equivalents		9,090		9,090
Restricted cash		1,720		1,720
Derivative assets		0		0
Other assets		101,737		101,737
Total assets		896,731		896,731
Debt		719,568		719,568
Other liabilities		7,563		7,563
Total liabilities		727,131		727,131
Total equity		169,600		169,600
Noncontrolling interests in equity of consolidated subsidiaries		0		0
Total New Residential stockholders’ equity		169,600		169,600
Investments in equity method investees		0		0
Operating Segments [Member] | Consumer Loans [Member]
Segment Reporting Information [Line Items]
Interest income		0	0	1	0
Interest expense		530	1,149	1,054	4,170
Net interest income (expense)		(530)	(1,149)	(1,053)	(4,170)
Impairment		0	0	0	0
Other income		14,386	22,490	33,342	60,185
Operating expenses		66	632	177	745
Income (Loss) Before Income Taxes		13,790	20,709	32,112	55,270
Income tax expense (benefit)		325	92	324	92
Net Income (Loss)		13,465	20,617	31,788	55,178
Noncontrolling interests in income (loss) of consolidated subsidiaries		0	0	0	0
Net income (loss) attributable to common stockholders		13,465	20,617	31,788	55,178
Investments		0		0
Cash and cash equivalents		12,344		12,344
Restricted cash		0		0
Derivative assets		0		0
Other assets		2,362		2,362
Total assets		14,706		14,706
Debt		40,264		40,264
Other liabilities		416		416
Total liabilities		40,680		40,680
Total equity		(25,974)		(25,974)
Noncontrolling interests in equity of consolidated subsidiaries		0		0
Total New Residential stockholders’ equity		(25,974)		(25,974)
Investments in equity method investees		0		0
Operating Segments [Member] | Corporate [Member]
Segment Reporting Information [Line Items]
Interest income		857	1	1,822	1
Interest expense		2,936	1	12,877	500
Net interest income (expense)		(2,079)	0	(11,055)	(499)
Impairment		0	0	0	0
Other income		0	(1)	(2,880)	0
Operating expenses		18,716	16,448	61,500	52,744
Income (Loss) Before Income Taxes		(20,795)	(16,449)	(75,435)	(53,243)
Income tax expense (benefit)		0	0	0	0
Net Income (Loss)		(20,795)	(16,449)	(75,435)	(53,243)
Noncontrolling interests in income (loss) of consolidated subsidiaries		0	0	(5,158)	0
Net income (loss) attributable to common stockholders		(20,795)	$ (16,449)	(70,277)	$ (53,243)
Investments		0		0
Cash and cash equivalents		168,639		168,639
Restricted cash		92		92
Derivative assets		0		0
Other assets		68,553		68,553
Total assets		237,284		237,284
Debt		186,520		186,520
Other liabilities		182,696		182,696
Total liabilities		369,216		369,216
Total equity		(131,932)		(131,932)
Noncontrolling interests in equity of consolidated subsidiaries		0		0
Total New Residential stockholders’ equity		(131,932)		(131,932)
Investments in equity method investees		$ 0		$ 0

[1] Net of deferred financing costs associated with the adoption of ASU No. 2015-03 (Note 1).