Payables and Accrued Liabilities - Payables and Accrued Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Payables and Accruals [Abstract]
Accounts payable and accrued liabilities	$ 176,328	$ 174,659
Curtailment liability	86,384wac_CurtailmentLiability	60,776wac_CurtailmentLiability
Employee-related liabilities	66,958	93,368
Payables to insurance carriers	64,429wac_PayablesToInsuranceCarriers	69,498wac_PayablesToInsuranceCarriers
Originations liability	53,599wac_OriginationsLiability	45,370wac_OriginationsLiability
Servicing rights and related advance purchases payable	51,059	77,231
Derivative instruments	37,937	30,024
Accrued interest payable	28,561	13,808
Uncertain tax positions	15,131	14,914
Acquisition related escrow funds payable to sellers	10,236	10,236
Servicing transfer payables	9,378wac_ServicingTransferPayables	9,592wac_ServicingTransferPayables
Margin payable on derivative instruments	4,459	2,780
Other	64,854	61,573
Total payables and accrued liabilities	$ 669,313	$ 663,829

Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations.

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Sum of the carrying values as of the balance sheet date of liabilities incurred and payable to vendors for goods and services received, and other costs not separately disclosed in the balance sheet that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered.

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Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets.

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Fair value, after offset of derivative asset, of 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, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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The noncurrent portion of the amount recognized for uncertain tax positions as of the balance sheet date.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy.

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Acquisition related escrow funds payable to seller.

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- Definition

Curtailment liability.

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No definition available.

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Originations liability.

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- Definition

Payables to insurance carriers.

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No definition available.

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- Definition

Servicing rights purchases payable and related advances.

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Servicing transfer payables.

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