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Pension Plan - Schedule of Changes in Fair Value of Plan Assets (Detail) (USD $)
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1 Months Ended | 12 Months Ended | ||
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Jan. 31, 2013
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Compensation And Retirement Disclosure [Abstract] | ||||
| Fair Value of Plan Assets at Beginning of Year | $ 8,509,771 | $ 8,509,771 | $ 7,723,072 | |
| Actual Return on Plan Assets | 1,310,053 | 932,366 | 396,687 | |
| Employer Contribution | 84,600 | 84,600 | 473,540 | |
| Plan Expenses Paid | (71,585) | (84,131) | ||
| Benefits Paid | (572,907) | (535,076) | ||
| Fair Value of Plan Assets at End of Year | $ 9,259,932 | $ 8,509,771 | $ 7,723,072 | |