INVESTMENTS (Major Categories of Investment Gains and Losses) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Gain (Loss) on Securities [Line Items]
Net investment gains (losses)	$ 3,055	$ (552)
Other-than-temporary impairments	0	(16)
Gains on trading securities	5	0
Realized gains on fixed maturities
Gain (Loss) on Securities [Line Items]
Net investment gains (losses)	18	128
Equity securities
Gain (Loss) on Securities [Line Items]
Net investment gains (losses)	233	0
Change in fair value of equity securities
Gain (Loss) on Securities [Line Items]
Net investment gains (losses)	712	(203)
Change in surrender value of company owned life insurance
Gain (Loss) on Securities [Line Items]
Net investment gains (losses)	295	(374)
Realized gain on company owned life insurance
Gain (Loss) on Securities [Line Items]
Net investment gains (losses)	1,792	0
Other gains (losses), principally real estate
Gain (Loss) on Securities [Line Items]
Net investment gains (losses)	$ 0	$ (87)

Amount of unrealized and realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in net income (trading).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 14
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Topic 320
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