ALLOWANCES FOR CREDIT LOSS (Premium Receivable Past Due) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Past Due [Line Items]
Amortized cost	$ 41,299	$ 51,036
Allowance for credit loss	(125)	(233)
Net	41,174	50,803
Current
Financing Receivable, Past Due [Line Items]
Amortized cost	39,287	46,376
Allowance for credit loss	0	0
Net	39,287	46,376
1 to 29 Days Past Due
Financing Receivable, Past Due [Line Items]
Amortized cost	1,670	4,253
Allowance for credit loss	(15)	(43)
Net	1,655	4,210
30 to 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Amortized cost	233	159
Allowance for credit loss	(12)	(8)
Net	221	151
60 to 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Amortized cost	16	94
Allowance for credit loss	(5)	(28)
Net	11	66
90 Plus Days Past Due
Financing Receivable, Past Due [Line Items]
Amortized cost	93	154
Allowance for credit loss	(93)	(154)
Net	$ 0	$ 0