Taxes On Income (Tax Components) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Current tax (benefit) expense:      
Federal $ 3,251 $ 462 $ 712
State 186 74 232
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]      
Federal 7,970 9,362 8,145
State 1,210 858 794
Income Tax Expense (Benefit), Total $ 12,617 $ 10,756 $ 9,883