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Loan Receivables and Allowance for Loan Losses - Summarizes Impaired Loans (Detail) (USD $) | Dec. 31, 2013 | Dec. 31, 2012
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Financing Receivable, Impaired [Line Items] |  |
Related Allowance with an allowance | $ 1,890,737 | $ 968,414
Related Allowance, Total | 1,890,737 | 968,414
Recorded investments with no related allowance | 14,485,307 | 24,958,254
Recorded investments with an allowance | 7,508,091 | 8,424,824
Recorded Investment, Total | 21,993,398 | 33,383,078
Unpaid principal with no related allowance | 18,193,716 | 28,276,743
Unpaid principal with an allowance | 7,919,880 | 8,779,882
Unpaid Principal Balance, Total | 26,113,596 | 37,056,625
Related Allowance with an allowance | 1,890,737 | 968,414
Related Allowance, Total | 1,890,737 | 968,414
Commercial [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Related Allowance with an allowance | 1,500,000 | 33,280
Related Allowance, Total | 1,500,000 | 33,280
Recorded investments with no related allowance | 1,799 | 46,301
Recorded investments with an allowance | 6,150,000 | 173,208
Recorded Investment, Total | 6,151,799 | 219,509
Unpaid principal with no related allowance | 150,969 | 131,195
Unpaid principal with an allowance | 6,150,000 | 350,000
Unpaid Principal Balance, Total | 6,300,969 | 481,195
Related Allowance with an allowance | 1,500,000 | 33,280
Related Allowance, Total | 1,500,000 | 33,280
Commercial Real Estate [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Related Allowance with an allowance | 31,097 | 728,607
Related Allowance, Total | 31,097 | 728,607
Recorded investments with no related allowance | 7,596,817 | 12,328,103
Recorded investments with an allowance | 170,406 | 3,581,000
Recorded Investment, Total | 7,767,223 | 15,909,103
Unpaid principal with no related allowance | 8,316,412 | 13,369,985
Unpaid principal with an allowance | 215,219 | 3,606,947
Unpaid Principal Balance, Total | 8,531,631 | 16,976,932
Related Allowance with an allowance | 31,097 | 728,607
Related Allowance, Total | 31,097 | 728,607
Construction [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Related Allowance with an allowance | 260,000 | 120,616
Related Allowance, Total | 260,000 | 120,616
Recorded investments with no related allowance |  |
Recorded investments with an allowance | 260,000 | 1,862,038
Recorded Investment, Total | 260,000 | 1,862,038
Unpaid principal with no related allowance |  |
Unpaid principal with an allowance | 486,625 | 2,013,663
Unpaid Principal Balance, Total | 486,625 | 2,013,663
Related Allowance with an allowance | 260,000 | 120,616
Related Allowance, Total | 260,000 | 120,616
Construction to Permanent [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Related Allowance with an allowance |  |
Related Allowance, Total | 2,188,387 |
Recorded investments with no related allowance | 1,197,474 | 1,258,710
Recorded investments with an allowance |  |
Recorded Investment, Total | 1,197,474 | 1,258,710
Unpaid principal with no related allowance | 1,425,000 | 1,425,000
Unpaid principal with an allowance |  |
Unpaid Principal Balance, Total | 1,425,000 | 1,425,000
Related Allowance with an allowance |  |
Related Allowance, Total | 2,188,387 |
Residential Real Estate [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Related Allowance with an allowance | 97,829 | 83,543
Related Allowance, Total | 97,829 | 83,543
Recorded investments with no related allowance | 5,098,392 | 10,760,965
Recorded investments with an allowance | 925,874 | 2,806,210
Recorded Investment, Total | 6,024,266 | 13,567,175
Unpaid principal with no related allowance | 7,631,751 | 12,786,388
Unpaid principal with an allowance | 1,065,974 | 2,806,766
Unpaid Principal Balance, Total | 8,697,725 | 15,593,154
Related Allowance with an allowance | 97,829 | 83,543
Related Allowance, Total | 97,829 | 83,543
Consumer [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Related Allowance with an allowance | 1,811 | 2,368
Related Allowance, Total | 1,811 | 2,368
Recorded investments with no related allowance | 590,825 | 564,175
Recorded investments with an allowance | 1,811 | 2,368
Recorded Investment, Total | 592,636 | 566,543
Unpaid principal with no related allowance | 669,584 | 564,175
Unpaid principal with an allowance | 2,062 | 2,506
Unpaid Principal Balance, Total | 671,646 | 566,681
Related Allowance with an allowance | 1,811 | 2,368
Related Allowance, Total | $ 1,811 | $ 2,368

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- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953550-111524 + Details
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