INVESTMENTS (Narrative) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Gain (Loss) on Securities [Line Items]
Held-to-maturity securities, unrealized losses	$ 3,000		$ 0
Other-than-temporary impairments, available-for-sale securities	0	$ 0
Single largest loss position	158,000		105,000
Second largest loss position	147,000		44,000
Third largest loss position	$ 138,000		$ 39,000
Maximum
Gain (Loss) on Securities [Line Items]
Percent of investment portfolio below investment grade	4.00%