ALLOWANCES FOR CREDIT LOSS (Schedule of allowance for credit loss) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($)
Premium Receivable, Allowance for Credit Loss [Roll Forward]
Balance as of December 31, 2020	$ 233
Balance as of March 31, 2021	227
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Balance as of December 31, 2020	65
Balance as of March 31, 2021	302
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance as of December 31, 2020	298
Credit loss, expense (reversal)	231
Balance as of March 31, 2021	529
Premiums Receivable
Premium Receivable, Allowance for Credit Loss [Roll Forward]
Balance as of December 31, 2020	233
Credit loss expense (reversal)	(6)
Balance as of March 31, 2021	227
Reinsurance Recoverable, Net
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Balance as of December 31, 2020	65
Credit loss expense (reversal)	237
Balance as of March 31, 2021	$ 302