Secured Borrowings and Pledged Receivables (Details) (Secured borrowings collateralized by receivables, USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Secured borrowings collateralized by receivables
Secured Borrowings and Collateralized Receivables
Carrying value of secured borrowing as a percentage of associated pledged receivable	85.00%
Percentage of holdback provision as per the TRE agreement	15.00%
Interest rate on secured borrowings for every thirty days outstanding (as a percent)	1.20%
Receivables transferred to buyer and remain uncollected	$ 1,801,683	$ 0
Secured borrowings	1,537,710	0
Interest expense associated with the secured borrowings	123,065	0
Proceeds from the transfer of pledged receivables	10,531,356
Amount of pledged receivables collected by TRE	$ 8,893,646

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Aggregate amount of interest expense on all borrowings.

+ References

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

-Publisher OTS

-Name Federal Regulation (FR)

-Number Title 12

-Section 563c.102

-Paragraph 8

-Chapter V

-Subsection I

-LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It 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 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.7,8)

-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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- Definition

Proceeds from securitizations of receivables treated as collateralized borrowings, which are classified as financing transactions.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3255-108585

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- Definition

Carrying amount of financial assets accounted for as secured borrowings recognized in the transferor's statement of financial position at the end of each period presented.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 30

-Section 50

-Paragraph 1A

-Subparagraph (b)(1)

-URI http://asc.fasb.org/extlink&oid=7523297&loc=SL6224234-111729

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

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number FAS140-4/FIN46(R)-8

-Paragraph B12

-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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Carrying amount of liabilities associated with financial assets accounted for as secured borrowings recognized in the transferor's statement of financial position at the end of each period presented.

+ References

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- Definition

Represents the carrying value of secured borrowing as a percentage of associated collateralized receivable.

+ References

No definition available.

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- Definition

Represents the interest rate on secured borrowings for every thirty days outstanding under the debt agreement.

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- Definition

Represents the amount of pledged receivables collected by the servicing agent.

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No definition available.

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- Definition

Percentage of holdback under the transfer agreement of the amount of receivables collateralized as secured borrowings.

+ References

No definition available.

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