Transactions with Affiliates - Schedule of Insurance Subsidiaries Ceded to Donegal Mutual Pursuant to Reinsurance Agreements (Details) - Catastrophe Reinsurance [Member - Insurance Subsidiaries [Member] - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Transactions with Affiliates [Abstract]
Premiums earned	$ 14,421,205	$ 14,261,265	$ 13,215,814
Losses and loss expenses	1,656,685	19,454,584	17,895,306
Liability for losses and loss expenses	$ 1,474,118	$ 6,876,255	$ 2,497,244

Amount of earned premiums ceded to other entities.

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+ Details