Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash Flows from Operating Activities:
Net income	$ 38,246,897	$ 32,997,997
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and other non-cash items	5,115,850	4,299,566
Net investment losses (gains)	940,488	(19,294,229)
Equity in earnings of Donegal Financial Services Corporation		(295,000)
Changes in assets and liabilities:
Losses and loss expenses	72,256,493	49,869,114
Unearned premiums	48,083,628	21,508,606
Premiums receivable	(11,941,733)	(17,047,509)
Deferred acquisition costs	(2,269,695)	(3,070,684)
Deferred income taxes	(619,312)	210,518
Reinsurance receivable	(36,843,000)	(18,997,523)
Prepaid reinsurance premiums	(31,916,191)	(6,578,384)
Accrued investment income	(1,557,230)	(724,150)
Due to affiliate	(3,613,903)	(3,858,708)
Reinsurance balances payable	260,626	(1,849,471)
Current income taxes	(4,490,180)	3,266,422
Accrued expenses	(3,869,386)	1,522,732
Other, net	678,760	6,479,153
Net adjustments	30,215,215	15,440,453
Net cash provided by operating activities	68,462,112	48,438,450
Cash Flows from Investing Activities:
Purchases of fixed maturities, held to maturity	(110,914,229)	(69,297,759)
Purchases of fixed maturities, available for sale	(143,743,351)	(125,791,644)
Purchases of equity securities, available for sale	(6,964,092)	(19,055,851)
Maturity of fixed maturities:
Held to maturity	39,629,000	13,723,483
Available for sale	120,857,543	88,459,874
Sales of fixed maturities, available for sale	22,172,930	20,548,077
Sales of equity securities, available for sale	5,985,211	37,968,114
Net purchases of property and equipment	(73,706)	(147,005)
Net (purchases) sales of short-term investments	(6,655,716)	8,122,436
Net cash used in investing activities	(79,706,410)	(11,547,502)
Cash Flows from Financing Activities:
Cash dividends paid	(12,605,480)	(12,031,153)
Issuance of common stock	12,407,700	2,814,504
Borrowing under lines of credit	50,000,000
Payments on lines of credit		(25,000,000)
Net cash provided by (used in) financing activities	49,802,220	(34,216,649)
Net increase in cash	38,557,922	2,674,299
Cash at beginning of period	49,318,930	52,594,461
Cash at end of period	87,876,852	55,268,760
Cash paid during period - Interest	928,474	321,585
Net cash paid during period - Taxes	$ 10,800,000	2,200,000
Donegal Financial Services Corporation [Member]
Maturity of fixed maturities:
Sale of investment in Donegal Financial Services Corporation		$ 33,922,773