INVESTMENTS (Narrative) (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019 USD ($) security	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($) security	Jun. 30, 2018 USD ($)	Dec. 31, 2018 USD ($) security
Investments [Abstract]
Unrealized gains and losses for equity securities (Less Than)				$ 1,000
Debt and equity securities held in an unrealized loss position | security	171		171		1,222
Debt securities and equity securities held in an unrealized loss position 12 months or more | security	123		123		371
OTTI losses	$ 0	$ 0	$ 0	$ 0
Fair value of investments deposited with governmental authorities required by law	$ 10,700		$ 10,700		$ 10,300