Transactions with Affiliates, Expense Sharing (Details) - Donegal Mutual [Member] - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Expense Sharing [Abstract]
Charges for services	$ 199,177,393	$ 186,568,897	$ 153,941,121
Infrastructure related costs allocated	7,600,000	$ 5,100,000	$ 2,800,000
Proportionate share of the remaining infrastructure costs	25,700,000
Deferred costs	$ 18,100,000