SECURITIES (Schedule of Unrealized Gross Losses and Estimated Fair values of Investment Securities) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Fair Value - Less Than 12 Months	$ 65,347	$ 120,364
Unrealized Losses - Less Than 12 Months	(583)	(611)
Fair Value - 12 Months of More	203,010	307,951
Unrealized Losses - 12 Months or More	(3,515)	(7,313)
Fair Value	268,357	428,315
Unrealized losses	(4,098)	(7,924)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	12,388	5,756
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(101)	(19)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	12,388	5,756
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	(101)	(19)
Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises
Schedule of Available-for-sale Securities [Line Items]
Fair Value - Less Than 12 Months	53,164	42,856
Unrealized Losses - Less Than 12 Months	(395)	(171)
Fair Value - 12 Months of More	57,721	125,439
Unrealized Losses - 12 Months or More	(996)	(1,834)
Fair Value	110,885	168,295
Unrealized losses	(1,391)	(2,005)
Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises
Schedule of Available-for-sale Securities [Line Items]
Fair Value - Less Than 12 Months	12,183	75,723
Unrealized Losses - Less Than 12 Months	(188)	(432)
Fair Value - 12 Months of More	145,289	182,512
Unrealized Losses - 12 Months or More	(2,519)	(5,479)
Fair Value	157,472	258,235
Unrealized losses	(2,707)	(5,911)
Private issue collateralized mortgage obligations
Schedule of Available-for-sale Securities [Line Items]
Fair Value - Less Than 12 Months		1,785
Unrealized Losses - Less Than 12 Months		(8)
Fair Value - 12 Months of More		0
Unrealized Losses - 12 Months or More		0
Fair Value		1,785
Unrealized losses		(8)
Obligations of states and political subdivisions
Schedule of Available-for-sale Securities [Line Items]
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	12,388	5,756
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(101)	(19)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	12,388	5,756
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	$ (101)	$ (19)