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Credit Arrangements (Details) - USD ($)
1 Months Ended 12 Months Ended
Apr. 30, 2017
Dec. 31, 2017
Mar. 31, 2017
Dec. 31, 2016
Lines of Credit [Line Items]        
Repayments $ 725,000      
Variable Rate [Member] | Maximum [Member]        
Lines of Credit [Line Items]        
Period of interest under CMA   90 days    
Fixed Rate [Member] | Maximum [Member]        
Lines of Credit [Line Items]        
Period of interest under CMA   30 days    
Softvest L P 2018-07-22 [Member]        
Debt Instrument [Line Items]        
Issue Date   Jul. 22, 2016    
Maturity Date   Jul. 22, 2018    
Outstanding Principal Balance     $ 1,450,000 $ 1,450,000
SoftSearch Investment L P 2018-07-22 [Member]        
Debt Instrument [Line Items]        
Issue Date   Jul. 22, 2016    
Maturity Date   Jul. 22, 2018    
Outstanding Principal Balance     $ 1,450,000 1,450,000
UTG 2013-11-20 [Member]        
Lines of Credit [Line Items]        
Issue Date   Nov. 20, 2013    
Maturity Date   Nov. 20, 2017    
Revolving Credit Limit   $ 8,000,000    
Outstanding Balance   0   0
Borrowings   0    
Repayments   $ 0    
Interest Rate   3.75%    
Assets Pledged   100% of the common voting stock of its wholly owned subsidiary, Universal Guaranty Life Insurance Company (“UG”).    
UTG 2013-11-20 [Member] | UG [Member]        
Lines of Credit [Line Items]        
Percentage of common voting stock pledged   100.00%    
UG Avalon 2015-06-02 [Member] | UG [Member]        
Lines of Credit [Line Items]        
Issue Date   Jun. 02, 2015    
Maturity Date   May 10, 2017    
Revolving Credit Limit   $ 10,000,000    
Outstanding Balance   0   $ 0
Borrowings   0    
Repayments   $ 0