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Long-Term Debt - Additional Information (Detail) (USD $)	3 Months Ended					3 Months Ended
	Mar. 31, 2014	Mar. 31, 2014 Revolving Line of Credit [Member] Deutsche Bank [Member]	Mar. 29, 2013 Revolving Line of Credit [Member] Deutsche Bank [Member]	Mar. 31, 2014 Surplus Note [Member]	Dec. 31, 2013 Surplus Note [Member]	Mar. 31, 2014 Term Loan [Member]	Dec. 31, 2013 Term Loan [Member]	May 23, 2013 Term Loan [Member]
Debt Instrument [Line Items]
Long-term debt surplus				$ 18,400,000	$ 18,800,000
Long-term debt						18,700,000	18,500,000
Unsecured line of credit, maximum borrowing capacity			10,000,000
Unsecured line of credit, amount drawn		0
Unsecured term loan agreement								20,000,000
Amortization of discount	$ 250,000					$ 250,000

X

- Definition

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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

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Amount borrowed under the credit facility as of the balance sheet date.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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