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Credit Arrangements, Outstanding Debt (Details) - USD ($)
9 Months Ended
Sep. 30, 2018
Dec. 31, 2017
Variable Rate [Member] | Maximum [Member]    
Credit Arrangements [Abstract]    
Period of interest under CMA 90 days  
Fixed Rate [Member] | Maximum [Member]    
Credit Arrangements [Abstract]    
Period of interest under CMA 30 days  
UTG 2013-11-20 [Member]    
Credit Arrangements [Abstract]    
Issue Date Nov. 20, 2013  
Maturity Date Nov. 20, 2018  
Revolving Credit Limit $ 8,000,000  
Outstanding Balance 0 $ 0
Borrowings 0  
Repayments $ 0  
Interest Rate 4.00%  
Assets Pledged 100% of the common voting stock of its wholly owned subsidiary, Universal Guaranty Life Insurance Company.  
UG Avalon 2015-06-02 [Member] | UG [Member]    
Credit Arrangements [Abstract]    
Issue Date Jun. 02, 2015  
Maturity Date May 10, 2019  
Revolving Credit Limit $ 10,000,000  
Outstanding Balance 0 $ 0
Borrowings 0  
Repayments $ 0