SEGMENT REPORTING - Summary of Segment Financial Data (Details) (USD $)	3 Months Ended																4 Months Ended	12 Months Ended
	Dec. 31, 2014		Sep. 30, 2014		Jun. 30, 2014		Mar. 31, 2014		Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		May 15, 2013	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Interest income	$ 85,124,000		$ 97,587,000		$ 92,656,000		$ 71,490,000		$ 26,492,000		$ 21,885,000		$ 22,999,000		$ 16,191,000			$ 346,857,000		$ 87,567,000		$ 33,759,000
Interest expense	31,892,000		33,307,000		36,512,000		38,997,000		8,031,000		3,443,000		2,651,000		899,000			140,708,000		15,024,000		704,000
Net Interest Income	53,232,000		64,280,000		56,144,000		32,493,000		18,461,000		18,442,000		20,348,000		15,292,000			206,149,000		72,543,000		33,055,000
Impairment	8,748,000		1,134,000		908,000		492,000		1,698,000		0		3,756,000		0			11,282,000		5,454,000		0
Other income	40,085,000	[1]	122,064,000	[1]	177,889,000	[1]	35,050,000	[1]	83,804,000	[1]	56,195,000	[1]	98,182,000	[1]	2,827,000	[1]		375,088,000	[1]	241,008,000	[1]	17,423,000
Operating expenses	40,167,000		25,311,000		29,522,000		9,899,000		20,386,000		11,492,000		5,552,000		5,044,000			104,899,000		42,474,000		9,231,000
Income (Loss) Before Income Taxes	44,402,000		159,899,000		203,603,000		57,152,000		80,181,000		63,145,000		109,222,000		13,075,000			465,056,000		265,623,000		41,247,000
Income tax expense	(6,526,000)		7,801,000		21,395,000		287,000		0		0		0		0		0	22,957,000		0		0
Net Income (Loss)	50,928,000		152,098,000		182,208,000		56,865,000		80,181,000		63,145,000		109,222,000		13,075,000			442,099,000		265,623,000		41,247,000
Noncontrolling interests in income (loss) of consolidated subsidiaries	(3,302,000)		25,726,000		58,705,000		8,093,000		(326,000)		0		0		0			89,222,000		(326,000)		0
Net Income (Loss) Attributable to Common Stockholders	54,230,000		126,372,000		123,503,000		48,772,000		80,507,000		63,145,000		109,222,000		13,075,000			352,877,000		265,949,000		41,247,000
Investments	7,718,821,000								5,564,258,000									7,718,821,000		5,564,258,000
Cash and cash equivalents	212,985,000																	212,985,000
Cash and restricted cash									305,332,000											305,332,000
Restricted cash	29,418,000								33,338,000									29,418,000		33,338,000
Derivative assets	32,597,000								35,926,000									32,597,000		35,926,000
Other assets	99,869,000								53,142,000									99,869,000		53,142,000
Total assets	8,093,690,000								5,958,658,000									8,093,690,000		5,958,658,000
Debt	6,062,299,000	[2]							4,109,329,000									6,062,299,000	[2]	4,109,329,000
Other liabilities	181,466,000								336,254,000									181,466,000		336,254,000
Total liabilities	6,243,765,000								4,445,583,000									6,243,765,000		4,445,583,000
Total equity	1,849,925,000								1,513,075,000									1,849,925,000		1,513,075,000		378,356,000	39,808,000
Noncontrolling interests in equity of consolidated subsidiaries	253,836,000								247,225,000									253,836,000		247,225,000
Total New Residential stockholders’ equity	1,596,089,000								1,265,850,000									1,596,089,000		1,265,850,000
Investments in equity method investees	330,876,000								567,828,000									330,876,000		567,828,000
Operating Segments [Member] | Excess MSRs [Member]
Segment Reporting Information [Line Items]
Interest income																		49,180,000		40,921,000		27,496,000
Interest expense																		1,294,000		0		0
Net Interest Income																		47,886,000		40,921,000		27,496,000
Impairment																		0		0		0
Other income																		100,052,000		103,675,000		17,423,000
Operating expenses																		713,000		215,000		5,449,000
Income (Loss) Before Income Taxes																		147,225,000		144,381,000		39,470,000
Income tax expense																		0		0		0
Net Income (Loss)																		147,225,000		144,381,000		39,470,000
Noncontrolling interests in income (loss) of consolidated subsidiaries																		0		0		0
Net Income (Loss) Attributable to Common Stockholders																		147,225,000		144,381,000		39,470,000
Investments	748,609,000								676,917,000									748,609,000		676,917,000
Cash and cash equivalents	0																	0
Cash and restricted cash									0											0
Restricted cash	0																	0
Derivative assets	0								0									0		0
Other assets	0								2,000									0		2,000
Total assets	748,609,000								676,919,000									748,609,000		676,919,000
Debt	0								0									0		0
Other liabilities	215,000								80,000									215,000		80,000
Total liabilities	215,000								80,000									215,000		80,000
Total equity	748,394,000								676,839,000									748,394,000		676,839,000
Noncontrolling interests in equity of consolidated subsidiaries	0								0									0		0
Total New Residential stockholders’ equity	748,394,000								676,839,000									748,394,000		676,839,000
Investments in equity method investees	330,876,000								352,766,000									330,876,000		352,766,000
Operating Segments [Member] | Servicer Advances Segment [Member]
Segment Reporting Information [Line Items]
Interest income																		190,206,000		4,421,000		0
Interest expense																		110,968,000		3,901,000		0
Net Interest Income																		79,238,000		520,000		0
Impairment																		0		0		0
Other income																		83,828,000		0		0
Operating expenses																		2,183,000		2,077,000		0
Income (Loss) Before Income Taxes																		160,883,000		(1,557,000)		0
Income tax expense																		20,806,000		0		0
Net Income (Loss)																		140,077,000		(1,557,000)		0
Noncontrolling interests in income (loss) of consolidated subsidiaries																		89,222,000		(326,000)		0
Net Income (Loss) Attributable to Common Stockholders																		50,855,000		(1,231,000)		0
Investments	3,270,839,000								2,665,551,000									3,270,839,000		2,665,551,000
Cash and cash equivalents	59,383,000																	59,383,000
Cash and restricted cash									85,243,000											85,243,000
Restricted cash	29,418,000																	29,418,000
Derivative assets	194,000								0									194,000		0
Other assets	14,652,000								7,062,000									14,652,000		7,062,000
Total assets	3,374,486,000								2,757,856,000									3,374,486,000		2,757,856,000
Debt	2,890,230,000								2,390,778,000									2,890,230,000		2,390,778,000
Other liabilities	25,467,000								4,271,000									25,467,000		4,271,000
Total liabilities	2,915,697,000								2,395,049,000									2,915,697,000		2,395,049,000
Total equity	458,789,000								362,807,000									458,789,000		362,807,000
Noncontrolling interests in equity of consolidated subsidiaries	253,836,000								247,225,000									253,836,000		247,225,000
Total New Residential stockholders’ equity	204,953,000								115,582,000									204,953,000		115,582,000
Investments in equity method investees	0								0									0		0
Operating Segments [Member] | Real Estate Securities [Member]
Segment Reporting Information [Line Items]
Interest income																		60,208,000		39,533,000		6,263,000
Interest expense																		12,689,000		10,876,000		704,000
Net Interest Income																		47,519,000		28,657,000		5,559,000
Impairment																		1,391,000		4,993,000		0
Other income																		14,589,000		52,645,000		0
Operating expenses																		10,012,000		312,000		0
Income (Loss) Before Income Taxes																		50,705,000		75,997,000		5,559,000
Income tax expense																		0		0		0
Net Income (Loss)																		50,705,000		75,997,000		5,559,000
Noncontrolling interests in income (loss) of consolidated subsidiaries																		0		0		0
Net Income (Loss) Attributable to Common Stockholders																		50,705,000		75,997,000		5,559,000
Investments	2,463,163,000								1,973,189,000									2,463,163,000		1,973,189,000
Cash and cash equivalents	43,728,000																	43,728,000
Cash and restricted cash									51,627,000											51,627,000
Restricted cash	0																	0
Derivative assets	32,091,000								1,452,000									32,091,000		1,452,000
Other assets	69,980,000								44,848,000									69,980,000		44,848,000
Total assets	2,608,962,000								2,071,116,000									2,608,962,000		2,071,116,000
Debt	2,246,651,000								1,620,711,000									2,246,651,000		1,620,711,000
Other liabilities	17,511,000								215,159,000									17,511,000		215,159,000
Total liabilities	2,264,162,000								1,835,870,000									2,264,162,000		1,835,870,000
Total equity	344,800,000								235,246,000									344,800,000		235,246,000
Noncontrolling interests in equity of consolidated subsidiaries	0								0									0		0
Total New Residential stockholders’ equity	344,800,000								235,246,000									344,800,000		235,246,000
Investments in equity method investees	0								0									0		0
Operating Segments [Member] | Real Estate Loans [Member]
Segment Reporting Information [Line Items]
Interest income																		47,262,000		2,650,000		0
Interest expense																		11,073,000		0		0
Net Interest Income																		36,189,000		2,650,000		0
Impairment																		9,891,000		461,000		0
Other income																		30,759,000		1,832,000		0
Operating expenses																		12,688,000		357,000		0
Income (Loss) Before Income Taxes																		44,369,000		3,664,000		0
Income tax expense																		2,059,000		0		0
Net Income (Loss)																		42,310,000		3,664,000		0
Noncontrolling interests in income (loss) of consolidated subsidiaries																		0		0		0
Net Income (Loss) Attributable to Common Stockholders																		42,310,000		3,664,000		0
Investments	1,236,210,000								33,539,000									1,236,210,000		33,539,000
Cash and cash equivalents	7,757,000																	7,757,000
Cash and restricted cash									22,840,000											22,840,000
Restricted cash	0																	0
Derivative assets	312,000								34,474,000									312,000		34,474,000
Other assets	14,159,000								0									14,159,000		0
Total assets	1,258,438,000								90,853,000									1,258,438,000		90,853,000
Debt	925,418,000								22,840,000									925,418,000		22,840,000
Other liabilities	24,141,000								32,553,000									24,141,000		32,553,000
Total liabilities	949,559,000								55,393,000									949,559,000		55,393,000
Total equity	308,879,000								35,460,000									308,879,000		35,460,000
Noncontrolling interests in equity of consolidated subsidiaries	0								0									0		0
Total New Residential stockholders’ equity	308,879,000								35,460,000									308,879,000		35,460,000
Investments in equity method investees	0								0									0		0
Operating Segments [Member] | Consumer Loans [Member]
Segment Reporting Information [Line Items]
Interest income																		0		0		0
Interest expense																		4,184,000		0		0
Net Interest Income																		(4,184,000)		0		0
Impairment																		0		0		0
Other income																		145,860,000		82,856,000		0
Operating expenses																		917,000		2,076,000		0
Income (Loss) Before Income Taxes																		140,759,000		80,780,000		0
Income tax expense																		92,000		0		0
Net Income (Loss)																		140,667,000		80,780,000		0
Noncontrolling interests in income (loss) of consolidated subsidiaries																		0		0		0
Net Income (Loss) Attributable to Common Stockholders																		140,667,000		80,780,000		0
Investments	0								215,062,000									0		215,062,000
Cash and cash equivalents	0																	0
Cash and restricted cash									0											0
Restricted cash	0																	0
Derivative assets	0								0									0		0
Other assets	609,000								0									609,000		0
Total assets	609,000								215,062,000									609,000		215,062,000
Debt	0								0									0		0
Other liabilities	195,000								33,000									195,000		33,000
Total liabilities	195,000								33,000									195,000		33,000
Total equity	414,000								215,029,000									414,000		215,029,000
Noncontrolling interests in equity of consolidated subsidiaries	0								0									0		0
Total New Residential stockholders’ equity	414,000								215,029,000									414,000		215,029,000
Investments in equity method investees	0								215,062,000									0		215,062,000
Operating Segments [Member] | Corporate [Member]
Segment Reporting Information [Line Items]
Interest income																		1,000		42,000		0
Interest expense																		500,000		247,000		0
Net Interest Income																		(499,000)		(205,000)		0
Impairment																		0		0		0
Other income																		0		0		0
Operating expenses																		78,386,000		37,437,000		3,782,000
Income (Loss) Before Income Taxes																		(78,885,000)		(37,642,000)		(3,782,000)
Income tax expense																		0		0		0
Net Income (Loss)																		(78,885,000)		(37,642,000)		(3,782,000)
Noncontrolling interests in income (loss) of consolidated subsidiaries																		0		0		0
Net Income (Loss) Attributable to Common Stockholders																		(78,885,000)		(37,642,000)		(3,782,000)
Investments	0								0									0		0
Cash and cash equivalents	102,117,000																	102,117,000
Cash and restricted cash									145,622,000											145,622,000
Restricted cash	0																	0
Derivative assets	0								0									0		0
Other assets	469,000								1,230,000									469,000		1,230,000
Total assets	102,586,000								146,852,000									102,586,000		146,852,000
Debt	0								75,000,000									0		75,000,000
Other liabilities	113,937,000								84,158,000									113,937,000		84,158,000
Total liabilities	113,937,000								159,158,000									113,937,000		159,158,000
Total equity	(11,351,000)								(12,306,000)									(11,351,000)		(12,306,000)
Noncontrolling interests in equity of consolidated subsidiaries	0								0									0		0
Total New Residential stockholders’ equity	(11,351,000)								(12,306,000)									(11,351,000)		(12,306,000)
Investments in equity method investees	$ 0								$ 0									$ 0		$ 0

[1] Earnings from investments in equity method investees is included in other income.

[2] Excludes debt related to linked transactions (Note 10).