Loans Receivable, At Fair Value - Additional Information (Detail) (USD $)	Jun. 30, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal Balance aggregate fair value	$ 117,549,000
CT Legacy Partners [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Portfolio of loans aggregate principal	220,700,000
Principal Balance aggregate fair value	$ 117,500,000

This is the result of the principal amount outstanding of total loans managed or securitized less securitized loans and loans that are in the process of being securitized.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=13989330&loc=d3e107314-111719

Name:	us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant