Cash and Securities Segregated for Regulatory and Other Purposes (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Cash and Securities Segregated for Regulatory and Other Purposes
Cash segregated in special reserve bank account for exclusive benefit of customer	$ 1,000,000	$ 1,000,000
Cash and securities segregated for regulatory and other purposes	6,000,000	13,000,000
ClearPoint
Cash and Securities Segregated for Regulatory and Other Purposes
Cash received in connection with a working capital loan agreement included in segregated cash		12,000,000
ClearPoint \| Homeward
Cash and Securities Segregated for Regulatory and Other Purposes
Cash on deposit in connection with ClearPoint's loan origination activities included in segregated cash	$ 5,000,000

Cash and securities segregated in compliance with regulations e.g.(i.e. cash deposited in a special reserve account for the exclusive benefit of customers and other regulatory matters).

No definition available.

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- Definition

Represents the amount of cash on deposit in connection with subsidiary's secured borrowings.

+ References

No definition available.

+ Details

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- Definition

Cash and securities deposited in a special reserve account for the exclusive benefit of customers.

+ 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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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- Definition

The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.10)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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