REINSURANCE (Reinsurance Recoverables) (Details) - USD ($) $ in Thousands		Sep. 30, 2016	Dec. 31, 2015	Dec. 31, 2014
REINSURANCE [Abstract]
Reinsurance recoverable on paid losses		$ 8,094	$ 5,218
Reinsurance recoverable on unpaid losses	[1]	17,057	7,496	$ 10,394
Reinsurance recoverable, net		$ 25,151	$ 12,714

[1] Reinsurance recoverable in this table includes only ceded loss and LAE reserves.