Face (par) amount of debt instrument at time of issuance.

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

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Fair value amount of debt instrument that was repurchased.

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No definition available.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Borrowings (Notes) (Details) (USD $)	12 Months Ended
Borrowings (Notes) (Details) (USD $)	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2014	Sep. 30, 2010
Increasing Rate Senior Discount Notes [Member]
Debt Instrument [Line Items]
Stated interest rate through maturity date		8.70%
Effective rate of interest		6.40%
Notes Payable, Other Payables [Member] \| Sherborne [Member]
Debt Instrument [Line Items]
Aggregate principal at maturity			$ 6,100,000
Original principal amount				5,000,000
Interest expense	$ 500,000