Fair Value - Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Assets:
Total securities available for sale	$ 188,516,087	$ 182,354,987
Obligations of States and Political Subdivisions
Assets:
Total securities available for sale	27,340,000	27,913,000
Asset-backed securities
Assets:
Total securities available for sale	20,724,000	20,473,000
Fair Value Measurements Recurring Basis
Assets:
Total securities available for sale	188,516,000	182,355,000
Liabilities:
Total derivatives	(1,863,000)	(1,995,000)
Fair Value Measurements Recurring Basis | U.S. Government-sponsored Agencies
Assets:
Total securities available for sale	11,314,000	9,374,000
Fair Value Measurements Recurring Basis | Obligations of States and Political Subdivisions
Assets:
Total securities available for sale	27,340,000	27,913,000
Fair Value Measurements Recurring Basis | Mortgage-backed Securities-residential
Assets:
Total securities available for sale	129,138,000	124,595,000
Fair Value Measurements Recurring Basis | Asset-backed securities
Assets:
Total securities available for sale	20,724,000	20,473,000
Fair Value Measurements Recurring Basis | Interest Rate Swaps - Customer Related
Assets:
Interest rate swaps - customer related	328,000	460,000
Liabilities:
Total derivatives	(328,000)	(460,000)
Fair Value Measurements Recurring Basis | Interest Rate Swaps - Cash Flow Hedges
Liabilities:
Total derivatives	(1,535,000)	(1,535,000)
Fair Value Measurements Recurring Basis | Significant Other Observable Inputs (Level 2)
Assets:
Total securities available for sale	188,516,000	182,355,000
Liabilities:
Total derivatives	(1,863,000)	(1,995,000)
Fair Value Measurements Recurring Basis | Significant Other Observable Inputs (Level 2) | U.S. Government-sponsored Agencies
Assets:
Total securities available for sale	11,314,000	9,374,000
Fair Value Measurements Recurring Basis | Significant Other Observable Inputs (Level 2) | Obligations of States and Political Subdivisions
Assets:
Total securities available for sale	27,340,000	27,913,000
Fair Value Measurements Recurring Basis | Significant Other Observable Inputs (Level 2) | Mortgage-backed Securities-residential
Assets:
Total securities available for sale	129,138,000	124,595,000
Fair Value Measurements Recurring Basis | Significant Other Observable Inputs (Level 2) | Asset-backed securities
Assets:
Total securities available for sale	20,724,000	20,473,000
Fair Value Measurements Recurring Basis | Significant Other Observable Inputs (Level 2) | Interest Rate Swaps - Customer Related
Assets:
Interest rate swaps - customer related	328,000	460,000
Liabilities:
Total derivatives	(328,000)	(460,000)
Fair Value Measurements Recurring Basis | Significant Other Observable Inputs (Level 2) | Interest Rate Swaps - Cash Flow Hedges
Liabilities:
Total derivatives	$ (1,535,000)	$ (1,535,000)