INVESTMENTS IN SERVICER ADVANCES - Summary of Investments in Servicer Advances (Footnote) (Details) - Servicer Advance Joint Venture [Member] - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Investments in and Advances to Affiliates [Line Items]
Asset-backed securities, face amount, collateralized by servicer advances	$ 431.0	$ 431.0
Asset-backed securities, carrying value, collateralized by servicer advances	$ 431.0	$ 430.3

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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