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Loans and Allowance - Past Due Financing Receivables (Details) - Loans Receivable - USD ($) | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
--- | --- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Current | $ 258,093,183 | $ 272,664,631 | $ 269,039,107
Non-accrual | 3,779,749 | 2,777,904 | 2,713,393
Total | 263,857,691 | 278,230,503 | 274,827,478
30-89 Days Past Due |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Past Due | 1,929,997 | 2,591,196 | 1,467,235
90 Days or More and Still Accruing |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Past Due | 54,762 | 196,772 | 1,607,743
Commercial and industrial |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Current | $ 4,539,701 | $ 3,518,752 | 4,158,461
Non-accrual |  |  | 14,286
Total | $ 4,539,701 | $ 3,518,752 | $ 4,172,747
Commercial and industrial | 30-89 Days Past Due |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Past Due |  |  |
Commercial and industrial | 90 Days or More and Still Accruing |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Past Due |  |  |
Commercial real estate |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Current | $ 64,270,345 | $ 64,545,207 | $ 66,191,062
Non-accrual |  | 1,097,112 | 1,237,647
Total | $ 64,271,621 | 65,642,632 | 68,778,608
Commercial real estate | 30-89 Days Past Due |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Past Due | $ 1,276 | $ 313 | 173,000
Commercial real estate | 90 Days or More and Still Accruing |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Past Due |  |  | 1,176,899
Consumer and indirect |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Current | $ 73,568,010 | $ 81,315,689 | 71,755,109
Non-accrual | 596,329 | 515,352 | 338,212
Total | 75,302,771 | 84,103,142 | 73,230,433
Consumer and indirect | 30-89 Days Past Due |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Past Due | 1,122,155 | $ 2,272,101 | $ 1,137,112
Consumer and indirect | 90 Days or More and Still Accruing |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Past Due | 16,277 |  |
Residential real estate |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Current | 115,715,127 | $ 123,284,983 | $ 126,934,475
Non-accrual | 3,183,420 | 1,165,440 | 1,123,248
Total | 119,743,598 | 124,965,977 | 128,645,690
Residential real estate | 30-89 Days Past Due |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Past Due | 806,566 | 318,782 | 157,123
Residential real estate | 90 Days or More and Still Accruing |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Past Due | $ 38,485 | $ 196,772 | $ 430,844

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- Definition Financing receivables that are current. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953401-111524 + Details
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- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5111-111524 + Details
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- Definition Recorded Investment in financing receivables that are past due at the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953401-111524 + Details
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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522 + Details
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