INVESTMENTS (Amortized Cost and Aggregate Fair Value of Debt Securities, by Contractual Maturity) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Investments [Abstract]
Available-for-sale Securities, Due in one year or less, Amortized Cost	$ 1,702
Available-for-sale Securities, Due in one year or less, Fair Value	1,725
Available-for-sale Securities, Due after one year through five years, Amortized Cost	22,218
Available-for-sale Securities, Due after one year through five years, Fair Value	23,293
Available-for-sale Securities, Due after five years through ten years, Amortized Cost	22,800
Available-for-sale Securities, Due after five years through ten years, Fair Value	23,741
Available-for-sale Securities, Due after ten years, Amortized Cost	45,873
Available-for-sale Securities, Due after ten years, Fair Value	47,161
Fixed maturities, Amortized Cost	92,593	$ 76,241
Available-for-sale Securities, Fair Value	95,920
Held-to-maturity Securities, Due after one year through five years, Amortized Cost	10
Held-to-maturity Securities, Due after one year through five years, Fair Value	10
Held-to-maturity Securities, Due after five years through ten years, Amortized Cost	3
Held-to-maturity Securities, Due after five years through ten years, Fair Value	3
Held-to-maturity Securities, Due after ten years, Amortized Cost	619
Held-to-maturity Securities, Due after ten years, Fair Value	669
Held-to-maturity Securities, Amortized Cost	632	873
Debt Securities, Held-to-maturity, Fair Value	$ 682	$ 946