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

+ References

No definition available.

+ Details

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

- Definition

Represents the period following the closing date for escrow account.

+ References

No definition available.

+ Details

Name:	glch_EscrowAccountPeriodFollowingClosingDate
Namespace Prefix:	glch_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- 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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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Balance Type:	debit
Period Type:	instant

- 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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Cash and Securities Segregated for Regulatory and Other Purposes (Details) (USD $) In Millions, unless otherwise specified				9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Dec. 31, 2012 ClearPoint	Sep. 30, 2013 ClearPoint Homeward
Cash and Securities Segregated for Regulatory and Other Purposes
Cash segregated in special reserve bank account for exclusive benefit of customer	$ 1.0	$ 1.0
Cash on deposit in connection with ClearPoint's loan origination activities included in segregated cash				5.0
Period following the closing date for escrow account				3 years
Cash received in connection with a working capital loan agreement included in segregated cash			$ 12.0