INVESTMENTS (Amortized Cost and Aggregate Fair Value of Debt Securities, by Contractual Maturity) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Investments [Abstract]
Available-for-sale Securities, Due after one year through five years, Amortized Cost	$ 21,645
Available-for-sale Securities, Due after one year through five years, Fair Value	22,766
Available-for-sale Securities, Due after five years through ten years, Amortized Cost	23,899
Available-for-sale Securities, Due after five years through ten years, Fair Value	24,934
Available-for-sale Securities, Due after ten years, Amortized Cost	38,836
Available-for-sale Securities, Due after ten years, Fair Value	39,769
Fixed maturities, Amortized Cost	84,380	$ 76,241
Available-for-sale Securities, Fair Value	87,469
Held-to-maturity Securities, Due after one year through five years, Amortized Cost	15
Held-to-maturity Securities, Due after one year through five years, Fair Value	15
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	4
Held-to-maturity Securities, Due after ten years, Amortized Cost	750
Held-to-maturity Securities, Due after ten years, Fair Value	816
Held-to-maturity Securities, Amortized Cost	768	873
Debt Securities, Held-to-maturity, Fair Value	$ 835	$ 946