INVESTMENTS (Net Realized Gains (Losses) by Major Investment Category (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Available-for-sale Securities, Gross Realized Gain (Loss) [Abstract]
Gross realized and unrealized gains:	$ 3,147	$ 1,376
Gross realized and unrealized losses:	(846)	(2,428)
Net realized and unrealized gains (losses) on investments	2,301	(1,052)
Debt Securities
Available-for-sale Securities, Gross Realized Gain (Loss) [Abstract]
Gross realized and unrealized gains:	317	223
Gross realized and unrealized losses:	(400)	(1,441)
Equity Securities
Available-for-sale Securities, Gross Realized Gain (Loss) [Abstract]
Gross realized and unrealized gains:	2,830	1,153
Gross realized and unrealized losses:	$ (446)	$ (987)

This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27357-111563

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