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Reinsurance, Unaffiliated Reinsurers (Details)
 12 Months Ended
Dec. 31, 2022
USD ($)
InsuranceCoverage
Dec. 31, 2021
USD ($)
Nov. 30, 2021
USD ($)
Unaffiliated Reinsurance [Abstract]      
Loss reinsurance agreement contracts retention amount $ 2,000,000    
Number of reinsurance coverages | InsuranceCoverage 29    
Return from estimated surplus     $ 3,000,000,000
Receivable from reinsurance claims $ 0 $ 18,112,800  
Percentage of reinsurer coverage 17.50%    
Third Party Reinsurance [Member]      
Unaffiliated Reinsurance [Abstract]      
Percentage of accumulation of losses 100.00%    
Catastrophe reinsurance, set retention amount $ 15,000,000    
Maximum amount of loss coverage under reinsurance agreement of property catastrophe $ 185,000,000    
Donegal Mutual [Member]      
Unaffiliated Reinsurance [Abstract]      
Percentage of accumulation of losses 100.00%    
Catastrophe reinsurance, set retention amount $ 2,000,000    
Maximum amount of loss coverage under reinsurance agreement of property catastrophe 13,000,000    
Additional coverage amount $ 5,000,000