SEGMENT INFORMATION (Narrative) (Details)	3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2017 segment location	Sep. 17, 2017 segment	Dec. 31, 2017 location
Segment Reporting Information [Line Items]
Number of reportable business segments | segment	1	2
Continuing Operations - Property and Casualty Insurance
Segment Reporting Information [Line Items]
Number of domestic business locations | location	6		6
Continuing Operations - Property and Casualty Insurance | Commercial Lines | Product Concentration Risk | Sales Revenue, Segment
Segment Reporting Information [Line Items]
Percentage of insurance in force			92.90%
Continuing Operations - Property and Casualty Insurance | Personal Lines | Product Concentration Risk | Sales Revenue, Segment
Segment Reporting Information [Line Items]
Percentage of insurance in force			7.10%