Fair Value Measurements (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	$ 532,629,015	$ 555,136,017
Equity securities, at fair value	63,419,973	58,556,173
U.S. Treasury Securities and Obligations of U.S. Government Corporations and Agencies [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	32,184,626	47,814,712
Obligations of States and Political Subdivisions [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	57,378,091	68,965,237
Mortgage-Backed Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	221,455,023	225,648,005
Recurring Basis [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Equity securities, at fair value	63,419,973	58,556,173
Investments in the fair value hierarchy	596,048,988	613,692,190
Recurring Basis [Member] | U.S. Treasury Securities and Obligations of U.S. Government Corporations and Agencies [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	32,184,626	47,814,712
Recurring Basis [Member] | Obligations of States and Political Subdivisions [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	57,378,091	68,965,237
Recurring Basis [Member] | Corporate Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	221,611,275	212,708,063
Recurring Basis [Member] | Mortgage-Backed Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	221,455,023	225,648,005
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Equity securities, at fair value	61,130,385	54,152,085
Investments in the fair value hierarchy	61,130,385	54,152,085
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U.S. Treasury Securities and Obligations of U.S. Government Corporations and Agencies [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	0	0
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Obligations of States and Political Subdivisions [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	0	0
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Corporate Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	0	0
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Mortgage-Backed Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	0	0
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Equity securities, at fair value	2,289,588	4,404,088
Investments in the fair value hierarchy	534,918,603	559,540,105
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | U.S. Treasury Securities and Obligations of U.S. Government Corporations and Agencies [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	32,184,626	47,814,712
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Obligations of States and Political Subdivisions [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	57,378,091	68,965,237
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Corporate Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	221,611,275	212,708,063
Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] | Mortgage-Backed Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	221,455,023	225,648,005
Recurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Equity securities, at fair value	0	0
Investments in the fair value hierarchy	0	0
Recurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | U.S. Treasury Securities and Obligations of U.S. Government Corporations and Agencies [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	0	0
Recurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Obligations of States and Political Subdivisions [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	0	0
Recurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Corporate Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	0	0
Recurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] | Mortgage-Backed Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	$ 0	$ 0