Fair value portion of amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties.

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This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and elected not to be offset.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and elected not to be offset.

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Aggregation of the liabilities reported on the balance sheet measured at fair value on a recurring basis by the entity.

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- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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-Publisher FASB
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- Definition

Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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Beneficial interest at fair value.

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- Definition

Liability related to the transfer of home equity conversion mortgage backed security related obligations, which is accounted for as a secured borrowing.

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Liabilities incurred in connection with the Company's servicing assets, measured at fair value.

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Fair Value - Summary of Assets and Liabilities in Each Level of Fair Value Hierarchy (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Assets
Residential loans at fair value	$ 12,416,542	$ 12,673,439
Receivables related to Non-Residual Trusts	15,033	16,542
Servicing rights carried at fair value	949,593	1,682,016	$ 1,599,541	$ 1,131,124
Derivative instruments	87,937	58,512
Liabilities
Derivative instruments	11,804	6,475
Servicing rights related liabilities	1,902	117,000
Mortgage-backed debt related to Non-Residual Trusts	514,025	582,340
HMBS related obligations	10,509,449	10,647,382
Mortgage Loans Held For Sale [Member]
Assets
Residential loans at fair value	1,176,280	1,334,300
Reverse Loans [Member]
Assets
Residential loans at fair value	10,742,922	10,763,816
Mortgage Loans Related To Non Residual Trusts [Member]
Assets
Residential loans at fair value	450,377	526,016
Charged-off Loans [Member]
Assets
Residential loans at fair value	46,963	49,307
Level 2 [Member]
Assets
Servicing rights carried at fair value	13,170	0
Derivative instruments	34,543	6,993
Assets	1,223,993	1,341,293
Liabilities
Derivative instruments	7,611	5,405
Servicing rights related liabilities	1,902	0
Liabilities	9,513	5,405
Level 2 [Member] \| Mortgage Loans Held For Sale [Member]
Assets
Residential loans at fair value	1,176,280	1,334,300
Level 3 [Member]
Assets
Receivables related to Non-Residual Trusts	15,033	16,542
Servicing rights carried at fair value	936,423	1,682,016
Derivative instruments	53,394	51,519
Assets	12,245,112	13,089,216
Liabilities
Derivative instruments	4,193	1,070
Servicing rights related liabilities	0	117,000
Mortgage-backed debt related to Non-Residual Trusts	514,025	582,340
HMBS related obligations	10,509,449	10,647,382
Liabilities	11,027,667	11,347,792
Level 3 [Member] \| Reverse Loans [Member]
Assets
Residential loans at fair value	10,742,922	10,763,816
Level 3 [Member] \| Mortgage Loans Related To Non Residual Trusts [Member]
Assets
Residential loans at fair value	450,377	526,016
Level 3 [Member] \| Charged-off Loans [Member]
Assets
Residential loans at fair value	$ 46,963	$ 49,307