4. Debt (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Dec. 31, 2015
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Warehouse lines of credit	$ 170,299	$ 194,056
Residual interest financing	8,336	9,042
Subordinated renewable notes	15,348	15,138
Total other debt outstanding	$ 195,936	220,641
Residual interest financing [Member]
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Interest rate	11.75% over one month Libor
Maturity date	April 2018
Subordinated renewable notes [Member]
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Interest rate	Weighted average rate of 8.67% and 9.04% at March 31, 2016 and December 31, 2015, respectively
Maturity date	Weighted average maturity of December 2017 and October 2017 at March 31, 2016 and December 31, 2015, respectively
Warehouse lines of credit [Member]
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Warehouse lines of credit	$ 90,492	91,504
Interest rate	5.50% over one month Libor (Minimum 6.50%)
Maturity date	April 2019
Warehouse lines of credit (2) [Member]
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Warehouse lines of credit	$ 43,558	73,940
Interest rate	5.50% over one month Libor (Minimum 6.25%)
Maturity date	August 2017
Warehouse lines of credit (3) [Member]
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Warehouse lines of credit	$ 38,202	31,017
Interest rate	6.75% over a commercial paper rate (Minimum 7.75%)
Maturity date	November 2019
Residual interest financing [Member]
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Residual interest financing	$ 8,336	9,042
Subordinated renewable notes [Member]
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Subordinated renewable notes	$ 15,348	$ 15,138

Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

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Amount of long-term debt classified as other.

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Secured financing other than securities sold under agreements to repurchase and securities loaned.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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Carrying value as of the balance sheet date of the outstanding short-term borrowings under a revolving line of credit used by mortgage bankers to finance the origination or purchase of loans.

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