Debt - Summary of Debt (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Summary of Debt
Secured borrowings - government guaranteed loans	$ 39,545	$ 41,008
Junior subordinated notes	27,070	27,070
SBIC debentures payable	23,190	17,190
Revolving credit facility	12,000	11,900
Debt	101,805	97,168
Loans sold for premium and excess spread - principal [Member]
Summary of Debt
Secured borrowings - government guaranteed loans	30,802	32,062
Weighted Average Coupon Rate	4.09%	4.09%
Loans sold for a premiums and excess spread - deferred premiums [Member]
Summary of Debt
Secured borrowings - government guaranteed loans	2,960	3,099
Weighted Average Coupon Rate
Loans sold for excess spread [Member]
Summary of Debt
Secured borrowings - government guaranteed loans	$ 5,783	$ 5,847
Weighted Average Coupon Rate	1.58%	1.58%
Junior subordinated notes [Member]
Summary of Debt
Weighted Average Coupon Rate	3.53%	3.61%
Debentures payable [Member]
Summary of Debt
Weighted Average Coupon Rate	4.06%	4.47%
Revolving credit facility [Member]
Summary of Debt
Weighted Average Coupon Rate	2.61%	2.30%

Including the current and noncurrent portions, carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Junior Subordinated Notes, which have a lower priority than senior instruments.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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