INVESTMENTS (Amortized Cost and Aggregate Fair Value of Debt Securities, by Contractual Maturity) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Investments [Abstract]
Available-for-sale Securities, Due in one year or less, Amortized Cost	$ 1,878
Available-for-sale Securities, Due in one year or less, Fair Value	1,890
Available-for-sale Securities, Due after one year through five years, Amortized Cost	17,029
Available-for-sale Securities, Due after one year through five years, Fair Value	17,432
Available-for-sale Securities, Due after five years through ten years, Amortized Cost	27,236
Available-for-sale Securities, Due after five years through ten years, Fair Value	27,764
Available-for-sale Securities, Due after ten years, Amortized Cost	53,941
Available-for-sale Securities, Due after ten years, Fair Value	55,658
Fixed maturities, Amortized Cost	100,084	$ 96,877
Available-for-sale Securities, Fair Value	102,744
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	36
Held-to-maturity Securities, Due after one year through five years, Fair Value	38
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	1,348
Held-to-maturity Securities, Due after ten years, Fair Value	1,399
Held-to-maturity Securities, Amortized Cost	1,388	1,449
Debt Securities, Held-to-maturity, Fair Value	$ 1,442	$ 1,443