PREMISES AND EQUIPMENT (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Premises and equipment [Abstract]
Premises and equipment, gross	$ 86,184,000	$ 80,143,000
Less accumulated depreciation and amortization	53,897,000	50,104,000
Property, Plant and Equipment, Net, Total	32,287,000	30,039,000
Depreciation expense	3,861,000	3,236,000	2,946,000
Rent expense	2,000,000	1,300,000	1,100,000
Rent commitments, before considering renewal options [Abstract]
2015	1,429,000
2016	1,166,000
2017	1,143,000
2018	1,147,000
2019	834,000
2020 and thereafter	4,154,000
Total	9,873,000
Leases in premises and equipment [Abstract]
Buildings	3,537,000	0
Accumulated depreciation	0	0
Total	3,537,000	0
Schedule by year of future minimum lease payments under the capitalized lease [Abstract]
2015	234,000
2016	234,000
2017	234,000
2018	234,000
2019	234,000
2020 and thereafter	2,644,000
Total minimum lease payments	3,814,000
Less amount representing interest	838,000
Present value of net minimum lease payments	2,976,000
Land [Member]
Premises and equipment [Abstract]
Premises and equipment, gross	4,803,000	4,803,000
Buildings [Member]
Premises and equipment [Abstract]
Premises and equipment, gross	35,067,000	34,379,000
Projects in Progress [Member]
Premises and equipment [Abstract]
Premises and equipment, gross	132,000	0
Equipment and Furniture [Member]
Premises and equipment [Abstract]
Premises and equipment, gross	40,088,000	34,920,000
Leasehold Improvements [Member]
Premises and equipment [Abstract]
Premises and equipment, gross	$ 6,094,000	$ 6,041,000