Consolidated Statements of Cash Flows (USD $)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Cash Flows from Operating Activities:
Net income (loss)	$ 6,854,336us-gaap_NetIncomeLoss	$ (634,414)us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	1,099,355us-gaap_DepreciationAndAmortization	793,240us-gaap_DepreciationAndAmortization
Net realized investment (gains) losses	(1,046,521)us-gaap_RealizedInvestmentGainsLosses	88,532us-gaap_RealizedInvestmentGainsLosses
Equity in earnings of Donegal Financial Services Corporation	(526,760)	(409,242)
Changes in assets and liabilities:
Losses and loss expenses	18,742,283	14,503,090
Unearned premiums	10,944,645	15,062,954
Premiums receivable	(10,361,369)	(9,438,265)
Deferred acquisition costs	(1,769,852)	(1,779,873)
Deferred income taxes	364,693	136,054
Reinsurance receivable	(12,331,323)	(7,840,714)
Prepaid reinsurance premiums	(827,137)	(4,029,194)
Accrued investment income	(724,201)	(1,074,592)
Due to affiliate	252,860	(508,059)
Reinsurance balances payable	(99,100)	(5,438,306)
Current income taxes	1,733,836	(311,031)
Accrued expenses	(2,744,234)	(4,643,285)
Other, net	(234,881)	234,873
Net adjustments	2,472,294	(4,653,818)
Net cash provided by (used in) operating activities	9,326,630	(5,288,232)
Cash Flows from Investing Activities:
Purchases of fixed maturities, held to maturity	(5,206,151)	(69,863,688)
Purchases of fixed maturities, available for sale	(61,903,285)	(34,438,401)
Purchases of equity securities, available for sale	(2,902,385)	(10,837,100)
Maturity of fixed maturities:
Held to maturity	7,419,966	13,941,822
Available for sale	17,529,168	9,197,730
Sales of fixed maturities, available for sale	19,916,071	1,235,464
Sales of equity securities, available for sale	2,666,225	2,329,866
Net purchases of property and equipment	(21,805)	(832,686)
Net decrease in investment in affiliates	675,100
Net sales of short-term investments	4,420,442	83,310,206
Net cash used in investing activities	(17,406,654)	(5,956,787)
Cash Flows from Financing Activities:
Cash dividends paid	(3,477,491)us-gaap_PaymentsOfDividendsCommonStock	(3,302,286)us-gaap_PaymentsOfDividendsCommonStock
Issuance of common stock	2,392,118	1,075,959
Purchase of treasury stock		(12,026)
Borrowings under lines of credit	1,500,000us-gaap_ProceedsFromLinesOfCredit	3,000,000us-gaap_ProceedsFromLinesOfCredit
Net cash provided by financing activities	414,627	761,647
Net decrease in cash	(7,665,397)	(10,483,372)
Cash at beginning of period	35,578,509us-gaap_Cash	27,636,416us-gaap_Cash
Cash at end of period	27,913,112us-gaap_Cash	17,153,044us-gaap_Cash
Cash paid during period - Interest	265,366us-gaap_InterestPaid	299,614us-gaap_InterestPaid
Net cash paid during period - Taxes	$ 0us-gaap_ProceedsFromIncomeTaxRefunds	$ 0us-gaap_ProceedsFromIncomeTaxRefunds

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The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity).

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The amount of cash received during the period as refunds for the overpayment of taxes.

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The cash inflow from the additional capital contribution to the entity.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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The cash inflow associated with maturities (principal being due), prepayments and calls (requests of early payments) on securities not classified as either held-to-maturity securities or trading securities which are classified as available-for-sale securities.

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The cash inflow associated with the maturity, prepayments and calls (requests for early payments) of debt securities designated as held-to-maturity.

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The cash inflow associated with the sale of debt securities classified as available-for-sale securities.

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The cash inflow associated with the sale of equity securities classified as available-for-sale securities.

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The net realized gains or losses on investments during the period, not including gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity.

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