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INVESTMENTS (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Gain (Loss) on Securities [Line Items]    
Held-to-maturity securities, unrealized losses $ 0 $ 0
Other-than-temporary impairments, available-for-sale securities 0 180,000
Single largest loss position 105,000 55,000
Second largest loss position 44,000 37,000
Third largest loss position $ 39,000 $ 27,000
Maximum    
Gain (Loss) on Securities [Line Items]    
Percent of investment portfolio below investment grade 6.00%