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SIGNIFICANT ACCOUNTING POLICIES (Earnings Per Share, Concentration of Credit Risk) (Details) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Accounting Policies [Abstract]      
Weighted average number of shares outstanding 2,530,370 2,530,783  
Antidilutive securities excluded from computation of earnings per share (in shares) 0 0  
Cash, uninsured amount $ 6,813,000    
Allowance for credit loss on reinsurance recoverable 0   $ 0
Concentration Risk [Line Items]      
Policy receivables and agents' balances, net 13,733,000   $ 12,345,000
Single Largest Agent Balance Due      
Concentration Risk [Line Items]      
Policy receivables and agents' balances, net $ 497,000