Mortgage Servicing Rights - Schedule of Fair Value of MSRs and Aggregate Principal Amounts of Associated Loans (Detail) - USD ($) $ in Thousands		Jun. 30, 2015	Dec. 31, 2014
Servicing Assets at Fair Value [Line Items]
MSR Fair Value	[1]	$ 168,462	$ 139,293
Associated Principal		15,066,076	13,667,930
Conforming Loan
Servicing Assets at Fair Value [Line Items]
MSR Fair Value		101,458	81,301
Associated Principal		8,917,808	7,705,146
Jumbo Loan
Servicing Assets at Fair Value [Line Items]
MSR Fair Value		67,004	57,992
Associated Principal		$ 6,148,268	$ 5,962,784

[1] Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to the primary beneficiary (Redwood Trust, Inc.). At June 30, 2015 and December 31, 2014, assets of consolidated VIEs totaled $1,622,636 and $1,900,208, respectively, and liabilities of consolidated VIEs totaled $1,263,249 and $1,546,490, respectively. See Note 4 for further discussion.