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Gross Unrealized Losses and Fair Value Aggregated by Investment Category and Length of Time in Continuous Unrealized Loss Position (Detail) (USD $) | Dec. 31, 2012
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Available For Sale Securities Continuous Unrealized Loss Position [Line Items] |
Less than 12 months Fair Value | $ 10,743,229
Less than 12 months Unrealized Loss | 52,799
12 months or more Fair Value | 570,156
12 months or more Unrealized Loss | 79,510
Total Fair Value | 11,313,385
Total Unrealized Loss | 132,309
Obligations of U.S. Govt Agencies |
Available For Sale Securities Continuous Unrealized Loss Position [Line Items] |
Less than 12 months Fair Value | 3,840
Less than 12 months Unrealized Loss | 320
12 months or more Fair Value | 0
12 months or more Unrealized Loss | 0
Total Fair Value | 3,840
Total Unrealized Loss | 320
State and municipal |
Available For Sale Securities Continuous Unrealized Loss Position [Line Items] |
Less than 12 months Fair Value | 249,595
Less than 12 months Unrealized Loss | 403
12 months or more Fair Value | 285,606
12 months or more Unrealized Loss | 14,394
Total Fair Value | 535,201
Total Unrealized Loss | 14,797
Corporate trust preferred |
Available For Sale Securities Continuous Unrealized Loss Position [Line Items] |
Less than 12 months Fair Value | 0
Less than 12 months Unrealized Loss | 0
12 months or more Fair Value | 284,550
12 months or more Unrealized Loss | 65,116
Total Fair Value | 284,550
Total Unrealized Loss | 65,116
Mortgage-backed |
Available For Sale Securities Continuous Unrealized Loss Position [Line Items] |
Less than 12 months Fair Value | 10,489,794
Less than 12 months Unrealized Loss | 52,076
12 months or more Fair Value | 0
12 months or more Unrealized Loss | 0
Total Fair Value | 10,489,794
Total Unrealized Loss | $ 52,076

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- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 17 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 03-1 -Paragraph 21 -Subparagraph a(2) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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