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- Definition

The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Audit and Accounting Guide (AAG)

-Number AAG-BRD

-Paragraph 80

-Subparagraph Exhibit 4-8, 3

-IssueDate 2006-05-01

-Chapter 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.1)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 1

-Article 5

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

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- Details

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Data Type:	xbrli:stringItemType
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- Definition

The amount of expense during the period for co-broker fees paid for obtaining loans.

+ References

No definition available.

+ Details

Name:	wd_CoBrokersFees
Namespace Prefix:	wd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	wd_GainFromMortgageBankingAbstract
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the percentage of loan advanced to lender subject to, if the borrower is delinquent in making loan payments.

+ References

No definition available.

+ Details

Name:	wd_PercentageOfUnpaidPrincipalBalanceOfLoanAdvanceToLenderSubjectToIfBorrowerIsDelinquentInMakingLoanPayment
Namespace Prefix:	wd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the period within which loans held for sale that represent originated loans are generally transferred or sold.

+ References

No definition available.

+ Details

Name:	wd_PeriodOfOriginatedLoansWithinWhichLoansAreTransferredAndSold
Namespace Prefix:	wd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of cash at fair value, as of the date of each statement of financial position presented, of securities that are restricted as collateral for the payment of related debt obligations, primarily secured borrowings and repurchase agreements, and that are reclassified and separately reported in the statement of financial position because the transferee has the right by contract or custom to sell or re-pledge them.

+ References

No definition available.

+ Details

Name:	wd_PledgedAssetsSeparatelyReportedSecuritiesPledgedAsCollateralAtFairValueCash
Namespace Prefix:	wd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of money market funds at fair value, as of the date of each statement of financial position presented, of securities that are restricted as collateral for the payment of related debt obligations, primarily secured borrowings and repurchase agreements, and that are reclassified and separately reported in the statement of financial position because the transferee has the right by contract or custom to sell or re-pledge them.

+ References

No definition available.

+ Details

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Namespace Prefix:	wd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	wd_ServicingFeesAndOtherReceivablesNetAbstract
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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Restricted Cash
Restricted cash	$ 7,130,000	$ 7,164,000
Pledged securities and cash
Fidelity Institutional Money Market Government Portfolio - Class I	32,326,000	18,959,000
Pledged cash	1,155,000
Servicing Fees and Other Receivables, net
Unpaid principal balance advanced to lender, if the borrower is delinquent in making loan payments (as a percent)	5.00%
Concentrations of Credit Risk
Period of mortgage loans within which they are transferred or sold	60 days
Loans Held for Sale
Period of originated loans within which they are transferred or sold	60 days
Gains from Mortgage Banking Activities
Co-broker fees from mortgage banking activities	28,800,000	22,900,000	15,400,000
Good faith customer deposits
Restricted Cash
Restricted cash	6,990,000	7,118,000
Employee flex deposits
Restricted Cash
Restricted cash	95,000	46,000
Sublease Deposits
Restricted Cash
Restricted cash	$ 45,000