INVESTMENT SECURITIES (Details) - USD ($)	Jun. 30, 2015	Dec. 31, 2014	Dec. 31, 2008
Securities available for sale:
Gross Amortized Cost	$ 449,418,000	$ 428,785,000
Gross Unrealized Gains	8,175,000	8,378,000
Gross Unrealized Losses	(981,000)	(1,252,000)
Fair Value	456,612,000	435,911,000
U.S. Treasury securities and U.S. Government agencies
Securities available for sale:
Gross Amortized Cost	198,071,000	146,625,000
Gross Unrealized Gains	905,000	312,000
Gross Unrealized Losses	(125,000)	(15,000)
Fair Value	198,851,000	146,922,000
Private label mortgage backed security
Securities available for sale:
Gross Amortized Cost	4,037,000	4,030,000
Gross Unrealized Gains	1,194,000	1,220,000
Fair Value	5,231,000	5,250,000
Mortgage backed securities - residential
Securities available for sale:
Gross Amortized Cost	103,378,000	118,836,000
Gross Unrealized Gains	4,631,000	5,511,000
Gross Unrealized Losses	(129,000)	(91,000)
Fair Value	107,880,000	124,256,000
Collateralized mortgage obligations
Securities available for sale:
Gross Amortized Cost	127,922,000	143,283,000
Gross Unrealized Gains	1,065,000	1,034,000
Gross Unrealized Losses	(727,000)	(1,146,000)
Fair Value	128,260,000	143,171,000
Freddie Mac
Securities available for sale:
Gross Unrealized Gains	231,000	231,000
Fair Value	231,000	231,000	$ 0
Mutual fund
Securities available for sale:
Gross Amortized Cost	1,000,000	1,000,000
Gross Unrealized Gains	15,000	18,000
Fair Value	1,015,000	1,018,000
Corporate bonds
Securities available for sale:
Gross Amortized Cost	15,010,000	15,011,000
Gross Unrealized Gains	134,000	52,000
Fair Value	$ 15,144,000	$ 15,063,000