TAXES ON INCOME (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Earnings (loss) before taxes on income [Abstract]
Earnings (loss) before taxes on income	$ 62,709	$ 44,854	$ 121,046	$ 87,385
Federal [Abstract]
Current	0	0	0	0
Deferred	13,517	14,384	26,007	22,893
State and local [Abstract]
Current	1,686	1,599	3,145	2,406
Deferred	0	151	0	488
Foreign - current	66	(73)	(3)	139
Total Provision for taxes on income	15,269	16,061	29,149	25,926
United States [Member]
Earnings (loss) before taxes on income [Abstract]
Earnings (loss) before taxes on income	62,903	45,982	121,655	89,526
Foreign [Member]
Earnings (loss) before taxes on income [Abstract]
Earnings (loss) before taxes on income	$ (194)	$ (1,128)	$ (609)	$ (2,141)

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