Consolidated Statements of Income - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenues:
Net premiums earned	$ 187,252,778	$ 188,073,242
Investment income, net of investment expenses	7,376,284	7,048,503
Net investment (losses) gains	(10,694,843)	18,097,113
Lease income	109,267	111,099
Installment payment fees	867,720	1,088,917
Equity in earnings of Donegal Financial Services Corporation	0	295,000
Total revenues	184,911,206	214,713,874
Expenses:
Net losses and loss expenses	117,246,526	123,110,656
Amortization of deferred policy acquisition costs	29,937,000	30,592,000
Other underwriting expenses	32,597,629	30,684,883
Policyholder dividends	1,842,000	2,349,648
Interest	224,330	565,292
Other expenses, net	560,550	566,371
Total expenses	182,408,035	187,868,850
Income before income tax (benefit) expense	2,503,171	26,845,024
Income tax (benefit) expense	(1,227,950)	3,821,860
Net income	$ 3,731,121	$ 23,023,164
Class A Common Stock [Member]
Earnings per common share:
common stock - basic and diluted	$ 0.13	$ 0.82
Class B Common Stock [Member]
Earnings per common share:
common stock - basic and diluted	$ 0.12	$ 0.75