INVESTMENTS (Amortized Cost and Aggregate Fair Value of Debt Securities, by Contractual Maturity) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Investments [Abstract]
Available-for-sale Securities, Due in one year or less, Amortized Cost	$ 2,424
Available-for-sale Securities, Due in one year or less, Fair Value	2,423
Available-for-sale Securities, Due after one year through five years, Amortized Cost	17,437
Available-for-sale Securities, Due after one year through five years, Fair Value	17,930
Available-for-sale Securities, Due after five years through ten years, Amortized Cost	26,308
Available-for-sale Securities, Due after five years through ten years, Fair Value	27,071
Available-for-sale Securities, Due after ten years, Amortized Cost	52,276
Available-for-sale Securities, Due after ten years, Fair Value	54,612
Fixed maturities, Amortized Cost	98,445	$ 96,877
Available-for-sale Securities, Fair Value	102,036
Held-to-maturity Securities, Due after one year through five years, Amortized Cost	32
Held-to-maturity Securities, Due after one year through five years, Fair Value	34
Held-to-maturity Securities, Due after five years through ten years, Amortized Cost	4
Held-to-maturity Securities, Due after five years through ten years, Fair Value	5
Held-to-maturity Securities, Due after ten years, Amortized Cost	1,313
Held-to-maturity Securities, Due after ten years, Fair Value	1,391
Held-to-maturity Securities, Amortized Cost	1,349	1,449
Debt Securities, Held-to-maturity, Fair Value	$ 1,430	$ 1,443