POLICY AND CLAIM RESERVES (Claims) (Details) $ in Thousands	Dec. 31, 2020 USD ($) claim	Dec. 31, 2019 USD ($) claim	Dec. 31, 2018 USD ($) claim	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Liabilities for claims and claim adjustment expenses, net of reinsurance	$ 6,856	$ 6,950
Accident Year 2018
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Incurred Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	1,020	1,120	$ 1,037
IBNR Reserves			$ 0
Cumulative Number of Reported Claims | claim			1,489
Cumulative Paid Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	1,011	991	$ 747
Accident Year 2019
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Incurred Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	968	935
IBNR Reserves		$ 0
Cumulative Number of Reported Claims | claim		1,454,000
Cumulative Paid Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	917	$ 614
Accident Year 2020
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Incurred Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	818
IBNR Reserves	$ 426
Cumulative Number of Reported Claims | claim	805
Cumulative Paid Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	$ 451
Homeowners, Dwelling Fire and Other Liability
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Incurred Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	344,646
Homeowners, Dwelling Fire and Other Liability | Accident Year 2011
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Incurred Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	$ 34,706	34,751	34,663	$ 34,658	$ 34,650	$ 34,806	$ 34,711	$ 34,233	$ 33,957	$ 35,203
IBNR Reserves		0
Cumulative Number of Reported Claims | claim	8,132,000
Homeowners, Dwelling Fire and Other Liability | Accident Year 2012
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Incurred Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	$ 29,830	29,834	29,827	29,885	29,948	30,091	30,402	30,190	29,959
IBNR Reserves		0
Cumulative Number of Reported Claims | claim	5,205,000
Homeowners, Dwelling Fire and Other Liability | Accident Year 2013
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Incurred Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	$ 27,015	27,022	27,236	27,191	27,023	27,076	27,147	27,436
IBNR Reserves		5
Cumulative Number of Reported Claims | claim	5,214,000
Homeowners, Dwelling Fire and Other Liability | Accident Year 2014
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Incurred Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	$ 26,086	26,096	26,130	26,225	26,290	26,422	25,929
IBNR Reserves		0
Cumulative Number of Reported Claims | claim	4,756,000
Homeowners, Dwelling Fire and Other Liability | Accident Year 2015
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Incurred Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	$ 31,033	30,960	30,890	30,360	30,861	31,484
IBNR Reserves		376
Cumulative Number of Reported Claims | claim	5,853,000
Homeowners, Dwelling Fire and Other Liability | Accident Year 2016
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Incurred Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	$ 35,151	35,144	35,399	35,343	36,287
IBNR Reserves		6
Cumulative Number of Reported Claims | claim	5,193,000
Homeowners, Dwelling Fire and Other Liability | Accident Year 2017
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Incurred Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	$ 38,675	38,642	38,958	40,210
IBNR Reserves		6
Cumulative Number of Reported Claims | claim	5,331,000
Homeowners, Dwelling Fire and Other Liability | Accident Year 2018
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Incurred Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	$ 36,229	36,195	37,079
IBNR Reserves		213
Cumulative Number of Reported Claims | claim	4,799,000
Homeowners, Dwelling Fire and Other Liability | Accident Year 2019
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Incurred Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	$ 35,199	35,929
IBNR Reserves		421
Cumulative Number of Reported Claims | claim	4,835,000
Homeowners, Dwelling Fire and Other Liability | Accident Year 2020
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Incurred Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	$ 50,722
IBNR Reserves		3,137
Cumulative Number of Reported Claims | claim	6,125,000
Accident and Health Claim
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Cumulative Paid Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	$ 337,842
All outstanding liabilities before 2008, net of reinsurance	52
Liabilities for claims and claim adjustment expenses, net of reinsurance	6,856
Accident and Health Claim | Accident Year 2011
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Cumulative Paid Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	34,703	34,650	34,647	34,641	34,621	34,622	34,167	33,484	33,080	$ 31,488
Accident and Health Claim | Accident Year 2012
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Cumulative Paid Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	29,825	29,824	29,823	29,835	29,834	29,765	29,614	29,135	$ 26,162
Accident and Health Claim | Accident Year 2013
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Cumulative Paid Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	27,006	27,011	26,976	26,788	26,661	26,487	26,114	$ 24,157
Accident and Health Claim | Accident Year 2014
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Cumulative Paid Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	26,086	26,094	26,095	26,033	25,800	25,461	$ 22,844
Accident and Health Claim | Accident Year 2015
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Cumulative Paid Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	30,492	30,366	30,296	30,190	30,066	$ 25,923
Accident and Health Claim | Accident Year 2016
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Cumulative Paid Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	35,131	35,139	35,030	34,722	$ 31,893
Accident and Health Claim | Accident Year 2017
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Cumulative Paid Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	38,659	38,499	38,245	$ 35,209
Accident and Health Claim | Accident Year 2018
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Cumulative Paid Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	35,924	35,543	$ 32,456
Accident and Health Claim | Accident Year 2019
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Cumulative Paid Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	34,593	$ 30,796
Accident and Health Claim | Accident Year 2020
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Cumulative Paid Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance	$ 45,423