INVESTMENTS (Major Categories of Investment Gains and Losses) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Gain (Loss) on Securities [Line Items]
Investment gains (losses)	$ 431	$ 548	$ 741	$ (442)
Gains on trading securities	6	19	13	(6)
Realized gains on fixed maturities
Gain (Loss) on Securities [Line Items]
Investment gains (losses)	106	133	106	16
Realized gains on equity securities
Gain (Loss) on Securities [Line Items]
Investment gains (losses)	0	0	357	0
Change in fair value of equity securities
Gain (Loss) on Securities [Line Items]
Investment gains (losses)	195	104	198	(495)
Change in surrender value of company owned life insurance
Gain (Loss) on Securities [Line Items]
Investment gains (losses)	118	291	61	40
Other gains principally real estate
Gain (Loss) on Securities [Line Items]
Investment gains (losses)	$ 6	$ 1	$ 6	$ 3