INVESTMENTS (Major Categories of Investment Gains and Losses) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Gain (Loss) on Securities [Line Items]
Investment gains	$ 885	$ 1,623
Gains on trading securities	3	13
Other-than-temporary impairments	0	180
Realized gains on fixed maturities
Gain (Loss) on Securities [Line Items]
Investment gains	111	1,361
Realized gains on equity securities
Gain (Loss) on Securities [Line Items]
Investment gains	1,237	426
Change in fair value of equity securities
Gain (Loss) on Securities [Line Items]
Investment gains	(464)	(344)
Change in surrender value of company owned life insurance
Gain (Loss) on Securities [Line Items]
Investment gains	71	343
Other gains (losses) principally real estate
Gain (Loss) on Securities [Line Items]
Investment gains	$ (73)	$ 4

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
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27476-111563

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Amount of realized and unrealized gain (loss) on investment.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 8A
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