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Commitments and Contingencies - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Commitments and Contingencies (Textual) [Abstract]
Liable for all claims per insured annual amount	$ 60,000
Liable for all claims per insured aggregate amount	1,300,000
Minimum insurance premium	879,000	845,000
Insurance reserves	$ 254,000	$ 225,000

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- Definition

Insurance reserves included in accrued payroll and benefits.

+ References

No definition available.

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- Definition

Liability for unpaid claims and claims adjustment expense reported claims amount per insured.

+ References

No definition available.

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- Definition

Minimum insurance premium expenses.

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- Definition

Costs of settling insured claims and costs incurred in the claims settlement process for the specified year specifically for claims that have already been submitted to the insurance company for reimbursement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 40

-Section 50

-Paragraph 3

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6482485&loc=d3e14764-158437

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