Transfers of Residential Loans - Schedule of Servicing Arrangements Associated with Transfers of Forward Loans (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Residential Loan Transfers [Line Items]
Servicing Rights, Net	$ 1,730,216us-gaap_ServicingAsset	$ 1,304,900us-gaap_ServicingAsset
Servicer and protective advances, net	1,761,082wac_ServicerAndProtectiveAdvancesNet	1,381,434wac_ServicerAndProtectiveAdvancesNet
Receivables, Net	215,629us-gaap_AccountsReceivableNet	319,195us-gaap_AccountsReceivableNet
Total assets	18,991,977us-gaap_Assets	17,387,529us-gaap_Assets
Servicing Arrangements Associated with Transfers of Forward Loans [Member]
Residential Loan Transfers [Line Items]
Servicing Rights, Net	331,365	192,962
Servicer and protective advances, net	13,146	6,023
Receivables, Net	0	437
Total assets	344,511	199,422
Unpaid Principal Balance of Sold Loans	$ 28,457,216	$ 14,672,986

For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of transferred financial assets in which the transferor has continuing involvement with the assets underlying the transaction that have been derecognized. Continuing involvement includes, but is not limited to, servicing, recourse, and restrictions on transferor's interests in transferred financial assets.

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Aggregate amount of servicing assets that are subsequently measured at fair value and servicing assets that are subsequently measured using the amortization method.

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Servicer and protective advances, net.

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