COMMITMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES (Commitments To Make Loans And Open Ended Revolving Lines Of Credit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Commitments Off-Balance Sheet Risks and Contingencies [Line Items]
Fixed Rate	$ 53,296	$ 56,278
Variable Rate	1,421,340	1,354,747
Commercial Loan Lines Of Credit [Member]
Commitments Off-Balance Sheet Risks and Contingencies [Line Items]
Fixed Rate	46,940	50,713
Variable Rate	1,164,660	1,125,720
Commercial Letters Of Credit [Member]
Commitments Off-Balance Sheet Risks and Contingencies [Line Items]
Fixed Rate	0	0
Variable Rate	93	0
Standby Letters Of Credit [Member]
Commitments Off-Balance Sheet Risks and Contingencies [Line Items]
Fixed Rate	0	0
Variable Rate	54,749	51,515
Real Estate Mortgage Loans [Member]
Commitments Off-Balance Sheet Risks and Contingencies [Line Items]
Fixed Rate	6,116	4,917
Variable Rate	3,103	3,185
Real Estate Construction Mortgage Loans [Member]
Commitments Off-Balance Sheet Risks and Contingencies [Line Items]
Fixed Rate	0	648
Variable Rate	6,063	1,220
Home Equity Mortgage Open Ended Revolving Lines [Member]
Commitments Off-Balance Sheet Risks and Contingencies [Line Items]
Fixed Rate	0	0
Variable Rate	183,472	165,549
Consumer Loan Open Ended Revolving Lines [Member]
Commitments Off-Balance Sheet Risks and Contingencies [Line Items]
Fixed Rate	240	0
Variable Rate	$ 9,200	$ 7,558