INVESTMENTS IN SERVICER ADVANCES - Schedule of Interest Income Related to Investments in Servicer Advances - Others' Interests (Footnote) (Details) (Others [Member])	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Others [Member]
Investment [Line Items]
Average ownership percentage	44.50%	40.10%

Equity Method Investment, Average Ownership Percentage

No definition available.

Name:	nrz_EquityMethodInvestmentAverageOwnershipPercentage
Namespace Prefix:	nrz_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration