INVESTMENTS - Fixed Maturities by Contractual Maturity Periods (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Amortized Cost
Due in one year or less	$ 4,166
Due after one year through five years	9,530
Due after five years through ten years	538
Due after ten years	831
Amortized Cost	15,065	$ 22,136
Estimated Fair Value
Due in one year or less	4,183
Due after one year through five years	9,676
Due after five years through ten years	549
Due after ten years	839
Estimated Fair Value, Fixed Maturities	$ 15,247	$ 22,195