ACQUISITIONS (Details) - USD ($)		9 Months Ended
	Feb. 25, 2019	Sep. 30, 2019	Sep. 30, 2018	Mar. 05, 2019
Business Acquisition [Line Items]
Resale of shares issued, standstill agreement term	5 years
Repayments of debt	$ 45,000,000.0	$ 48,000,000	$ 5,000,000
Right of first refusal agreement, term	5 years
Investment advisory services agreement, term	5 years
Non-compete agreement, term	5 years
Senior Unsecured Fixed Rate Notes, Due 2029
Business Acquisition [Line Items]
Debt instrument face amount				$ 100,000,000
Stated interest rate				7.50%
1347 Property Insurance Holdings, Inc
Business Acquisition [Line Items]
Consideration transferred	$ 51,000,000.0
Cash payments made in acquisition	25,500,000
Equity interest issued	$ 25,500,000
Right of first refusal agreement, threshold percent	7.50%
Minimum net book value	$ 42,000,000