ALLOWANCES FOR CREDIT LOSS (Premium Receivable Past Due) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Past Due [Line Items]
Amortized cost	$ 33,222	$ 41,299
Allowance for credit loss	(133)	(125)
Net	33,089	41,174
Current
Financing Receivable, Past Due [Line Items]
Amortized cost	31,001	39,287
Allowance for credit loss	0	0
Net	31,001	39,287
Days Past Due 1-29
Financing Receivable, Past Due [Line Items]
Amortized cost	1,914	1,670
Allowance for credit loss	(21)	(15)
Net	1,893	1,655
Days Past Due 30-59
Financing Receivable, Past Due [Line Items]
Amortized cost	168	233
Allowance for credit loss	(15)	(12)
Net	153	221
Days Past Due 60-89
Financing Receivable, Past Due [Line Items]
Amortized cost	63	16
Allowance for credit loss	(21)	(5)
Net	42	11
Days Past Due 90 Plus
Financing Receivable, Past Due [Line Items]
Amortized cost	76	93
Allowance for credit loss	(76)	(93)
Net	$ 0	$ 0