4. Debt (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2017	Dec. 31, 2016
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Warehouse lines of credit	$ 131,272	$ 103,358
Subordinated renewable notes	16,080	14,949
Total other debt outstanding	$ 149,074	119,914
Subordinated renewable notes [Member]
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Interest rate	Weighted average rate of 7.55% and 7.50% at June 30, 2017 and December 31, 2016 , respectively
Revolving Maturity date	Weighted average maturity of July 2019 and January 2019 at June 30, 2017 and December 31, 2016, respectively
Warehouse lines of credit [Member]
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Warehouse lines of credit	$ 60,602	64,352
Interest rate	5.50% over one month Libor (Minimum 6.50%)
Revolving Maturity date	April 2019
Warehouse lines of credit (2) [Member]
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Warehouse lines of credit	$ 41,539	26,445
Interest rate	5.50% over one month Libor (Minimum 6.25%)
Revolving Maturity date	August 2018
Warehouse lines of credit (3) [Member]
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Warehouse lines of credit	$ 30,853	14,168
Interest rate	6.75% over a commercial paper rate (Minimum 7.75%)
Revolving Maturity date	November 2017
Subordinated renewable notes [Member]
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Subordinated renewable notes	$ 16,080	$ 14,949

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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Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

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Amount of long-term debt classified as other.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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.

+ References

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