ORGANIZATION, CONSOLIDATION AND BASIS OF PRESENTATION (Narrative) (Details) - Premiums Written Net - Homeowners Multiperil Insurance Product Line - Customer Concentration Risk	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Ivantage Select Agency Inc
Organization, Consolidation, And Basis of Preparation [Line Items]
Concentration risk, percentage	19.30%	20.90%	19.60%	20.90%
SageSure Insurance Managers LLC
Organization, Consolidation, And Basis of Preparation [Line Items]
Concentration risk, percentage	26.30%	26.20%	26.50%	26.00%
Profit sharing agreement, profit sharing percent				50.00%