Taxes On Income (Tax Components) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current tax (benefit) expense:
Federal	$ 8,809	$ 7,534	$ 3,251
State	173	143	186
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal	44	1,126	7,970
State	783	990	1,210
Income Tax Expense (Benefit), Total	$ 9,809	$ 9,793	$ 12,617