SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Accounting Policies [Line Items]
Premium deficiency loss	$ 0		$ 0		$ 0
Profit commission reserves	12,100		12,100		15,200
Profit commission expense	(3,500)	$ 2,000	2,200	$ 4,600
Notes receivable balance related to note placed on non-accrual status	$ 15,200		$ 15,200		$ 18,600