INVESTMENTS (Amortized Cost and Aggregate Fair Value of Debt Securities, by Contractual Maturity) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Investments [Abstract]
Available-for-sale Securities, Due in one year or less, Amortized Cost	$ 2,183
Available-for-sale Securities, Due in one year or less, Fair Value	2,190
Available-for-sale Securities, Due after one year through five years, Amortized Cost	17,179
Available-for-sale Securities, Due after one year through five years, Fair Value	17,027
Available-for-sale Securities, Due after five years through ten years, Amortized Cost	27,625
Available-for-sale Securities, Due after five years through ten years, Fair Value	27,052
Available-for-sale Securities, Due after ten years, Amortized Cost	49,890
Available-for-sale Securities, Due after ten years, Fair Value	48,856
Fixed maturities, Amortized Cost	96,877	$ 94,467
Available-for-sale Securities, Fair Value	95,125
Held-to-maturity Securities, Due in one year or less, Amortized Cost	0
Held-to-maturity Securities, Due in one year or less, Fair Value	0
Held-to-maturity Securities, Due after one year through five years, Amortized Cost	43
Held-to-maturity Securities, Due after one year through five years, Fair Value	45
Held-to-maturity Securities, Due after five years through ten years, Amortized Cost	0
Held-to-maturity Securities, Due after five years through ten years, Fair Value	0
Held-to-maturity Securities, Due after ten years, Amortized Cost	1,406
Held-to-maturity Securities, Due after ten years, Fair Value	1,398
Held-to-maturity Securities, Amortized Cost	1,449	1,616
Held-to-maturity Securities, Fair Value	$ 1,443	$ 1,645