INVESTMENTS (Major Categories of Investment Gains and Losses) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Gain (Loss) on Securities [Line Items]
Investment gains (losses)	$ (272)	$ 310
Gains (losses) on trading securities	(12)	7
Realized gains on fixed maturities
Gain (Loss) on Securities [Line Items]
Investment gains (losses)	3	0
Realized gains on equity securities
Gain (Loss) on Securities [Line Items]
Investment gains (losses)	0	357
Change in fair value of equity securities
Gain (Loss) on Securities [Line Items]
Investment gains (losses)	106	3
Change in surrender value of company owned life insurance
Gain (Loss) on Securities [Line Items]
Investment gains (losses)	$ (369)	$ (57)