SIGNIFICANT ACCOUNTING POLICIES (condensed consolidated balance sheets) (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Dec. 31, 2016
CURRENT ASSETS:
CONTRACTS ASSET	$ 0
CURRENT LIABILITIES:
Contracts liability	9,786
Total current liabilities	24,337	22,752
LONG TERM LIABILITIES:
Contracts liability	33,493	25,015
Total long term liabilities	89,353	78,919
Total Liabilities	113,690	101,671
CAPITAL DEFICIENCY	(47,943)	(29,457)	$ (26,071)	$ (9,957)
Previously Reported [Member]
CURRENT ASSETS:
CONTRACTS ASSET	1,450
CURRENT LIABILITIES:
Contracts liability	0
Total current liabilities	14,551
LONG TERM LIABILITIES:
Contracts liability	61,780	26,851
Total long term liabilities	117,640
Total Liabilities	132,191
CAPITAL DEFICIENCY	(64,994)
Restatement Adjustment [Member]
CURRENT ASSETS:
CONTRACTS ASSET	(1,450)
CURRENT LIABILITIES:
Contracts liability	9,786
Total current liabilities	9,786
LONG TERM LIABILITIES:
Contracts liability	(28,287)	$ (1,836)
Total long term liabilities	(28,287)
Total Liabilities	(18,501)
CAPITAL DEFICIENCY	$ 17,051