PROPERTY, PLANT AND EQUIPMENT, NET (Details) - USD ($) $ in Thousands		6 Months Ended	12 Months Ended
		Dec. 31, 2016	Dec. 31, 2018	Dec. 31, 2017	Jun. 30, 2016
Property, Plant and Equipment [Line Items]
Gross Property, plant and equipment		$ 49,343	$ 191,143	$ 71,386
Less - accumulated depreciation		13,221	71,814	20,204
Total property, plant and equipment, net	[1]	36,122	119,329	51,182
Depreciation expenses		2,702	11,426	7,011	$ 3,763
Purchase of intangible assets		600			800
Original amount		1,400	39,992	1,400
Accumulated amortization		(141)	(1,488)	(285)
Amortization of intangible assets		57	1,193	144	$ 84
Buildings and plants [Member]
Property, Plant and Equipment [Line Items]
Gross Property, plant and equipment			18,196
Land [Member]
Property, Plant and Equipment [Line Items]
Gross Property, plant and equipment			6,592
Computers and peripheral equipment [Member]
Property, Plant and Equipment [Line Items]
Gross Property, plant and equipment		6,053	13,896	9,872
Office furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Gross Property, plant and equipment		1,505	9,005	1,785
Laboratory and testing equipment [Member]
Property, Plant and Equipment [Line Items]
Gross Property, plant and equipment		9,589	18,160	13,732
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Gross Property, plant and equipment		26,298	113,553	38,461
Property in progress under construction and development Cost		10,698	22,890	8,783
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Gross Property, plant and equipment		$ 5,898	$ 11,741	$ 7,536

[1] Long-lived assets are comprised of property and equipment, net (marketable securities, other non-current assets, goodwill, intangible assets and deferred tax assets are not included).