Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash Flows from Operating Activities:
Net income (loss)	$ 27,811,618	$ (18,967,933)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, amortization and other non-cash items	3,013,417	3,093,372
Net investment gains	(19,663,270)	(598,971)
Equity in earnings of Donegal Financial Services Corporation	(295,000)	(1,419,970)
Changes in assets and liabilities:
Losses and loss expenses	30,617,211	70,958,418
Unearned premiums	29,470,779	32,420,723
Premiums receivable	(19,555,531)	(8,814,392)
Deferred acquisition costs	(3,659,349)	(4,319,511)
Deferred income taxes	272,997	27,263
Reinsurance receivable	(14,260,221)	(13,302,328)
Prepaid reinsurance premiums	(8,589,599)	(8,693,950)
Accrued investment income	(737,007)	(232,947)
Due to affiliate	(4,864,419)	(3,826,317)
Reinsurance balances payable	(1,336,217)	2,273,786
Current income taxes	2,072,938	(8,686,822)
Accrued expenses	(261,869)	(3,913,386)
Other, net	1,154,221	135,249
Net adjustments	(6,620,919)	55,100,217
Net cash provided by operating activities	21,190,699	36,132,284
Cash Flows from Investing Activities:
Purchases of fixed maturities, held to maturity	(38,094,242)	(26,231,784)
Purchases of fixed maturities, available for sale	(88,098,117)	(49,700,116)
Purchases of equity securities, available for sale	(12,356,474)	(4,344,974)
Maturity of fixed maturities:
Held to maturity	6,656,093	7,143,696
Available for sale	41,569,635	56,797,178
Sales of fixed maturities, available for sale	20,548,077	208,817
Sales of equity securities, available for sale	37,071,301	1,819,212
Net purchases of property and equipment	(129,877)	(107,440)
Net purchases of short-term investments	(7,704,029)	(736,775)
Net cash used in investing activities	(6,614,860)	(15,152,186)
Cash Flows from Financing Activities:
Cash dividends paid	(7,985,652)	(7,780,426)
Issuance of common stock	1,760,919	1,618,991
Borrowings under line of credit		1,000,000
Payments on lines of credit	(25,000,000)
Net cash used in financing activities	(31,224,733)	(5,161,435)
Net (decrease) increase in cash	(16,648,894)	15,818,663
Cash at beginning of period	52,594,461	37,833,435
Cash at end of period	35,945,567	53,652,098
Cash paid during period—Interest	321,585	$ 557,521
Net cash paid during period—Taxes	2,200,000
Donegal Financial Services Corporation [Member]
Maturity of fixed maturities:
Sale of investment	19,863,949
Dividends received	$ 14,058,824