Fair Value Measurements (Details) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	$ 516,894,776	$ 532,629,015
Equity securities, at fair value	54,046,368	63,419,973
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	34,745,000	32,184,000
Obligations of States and Political Subdivisions [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	56,305,000	57,378,000
Mortgage-Backed Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	210,672,000	221,455,000
Recurring Basis [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Equity securities, at fair value	54,046	63,420
Total investments in the fair value hierarchy	570,941	596,049
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	34,745	32,185
Recurring Basis [Member] | Obligations of States and Political Subdivisions [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	56,305	57,378
Recurring Basis [Member] | Corporate Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	215,173	221,611
Recurring Basis [Member] | Mortgage-Backed Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Available for sale, at fair value	210,672	221,455
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	51,759	61,130
Total investments in the fair value hierarchy	51,759	61,130
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	2,287	2,290
Total investments in the fair value hierarchy	519,182	534,919
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	34,745	32,185
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	56,305	57,378
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	215,173	221,611
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	210,672	221,455
Recurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Equity securities, at fair value	0	0
Total 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