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Loan Receivables and Allowance for Loan Losses - Summarizes Loans that were Modified in a Troubled Debt Restructuring (Detail) (USD $) | 12 Months Ended
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Dec. 31, 2013 Relationships | Dec. 31, 2012 Relationships
Financing Receivable, Modifications [Line Items] |  |
Number of Relationships, Pre-Modification | 2 | 6
Number of Relationships, Post-Modification | 1 | 5
Pre-Modification Outstanding Recorded Investment | $ 4,730,324 | $ 14,036,050
Post-Modification Outstanding Recorded Investment | 990,913 | 6,126,226
Residential Real Estate [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Relationships, Pre-Modification |  | 3
Number of Relationships, Post-Modification |  | 3
Pre-Modification Outstanding Recorded Investment |  | 8,529,624
Post-Modification Outstanding Recorded Investment |  | 5,524,800
Construction to Permanent [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Relationships, Pre-Modification | 2 | 1
Number of Relationships, Post-Modification | 1 |
Pre-Modification Outstanding Recorded Investment | 4,730,324 | 4,905,000
Post-Modification Outstanding Recorded Investment | 990,913 |
Commercial [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Relationships, Pre-Modification |  | 1
Number of Relationships, Post-Modification |  | 1
Pre-Modification Outstanding Recorded Investment |  | 37,251
Post-Modification Outstanding Recorded Investment |  | 37,251
Consumer Home Equity [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Relationships, Pre-Modification |  | 1
Number of Relationships, Post-Modification |  | 1
Pre-Modification Outstanding Recorded Investment |  | 564,175
Post-Modification Outstanding Recorded Investment |  | $ 564,175

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- Definition Post-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953676-111524 + Details
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