LOANS (Details 1) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Loans by class categorized by internally assigned risk grades
Total loans	$ 2,652,958	$ 2,596,205
Pass
Loans by class categorized by internally assigned risk grades
Total loans	2,557,249	2,511,904
Special Mention
Loans by class categorized by internally assigned risk grades
Total loans	84,474	73,225
Substandard
Loans by class categorized by internally assigned risk grades
Total loans	11,235	11,076
Doubtful
Loans by class categorized by internally assigned risk grades
Total loans
Commercial real estate | Mortgage loans
Loans by class categorized by internally assigned risk grades
Total loans	1,030,094	1,016,983
Commercial real estate | Mortgage loans | Owner occupied
Loans by class categorized by internally assigned risk grades
Total loans	428,039	424,215
Commercial real estate | Mortgage loans | Owner occupied | Pass
Loans by class categorized by internally assigned risk grades
Total loans	408,052	404,584
Commercial real estate | Mortgage loans | Owner occupied | Special Mention
Loans by class categorized by internally assigned risk grades
Total loans	19,243	18,909
Commercial real estate | Mortgage loans | Owner occupied | Substandard
Loans by class categorized by internally assigned risk grades
Total loans	744	722
Commercial real estate | Mortgage loans | Owner occupied | Doubtful
Loans by class categorized by internally assigned risk grades
Total loans
Commercial real estate | Mortgage loans | Non-owner occupied
Loans by class categorized by internally assigned risk grades
Total loans	602,055	592,768
Commercial real estate | Mortgage loans | Non-owner occupied | Pass
Loans by class categorized by internally assigned risk grades
Total loans	578,081	569,870
Commercial real estate | Mortgage loans | Non-owner occupied | Special Mention
Loans by class categorized by internally assigned risk grades
Total loans	21,141	20,035
Commercial real estate | Mortgage loans | Non-owner occupied | Substandard
Loans by class categorized by internally assigned risk grades
Total loans	2,833	2,863
Commercial real estate | Mortgage loans | Non-owner occupied | Doubtful
Loans by class categorized by internally assigned risk grades
Total loans
Multi-Family | Mortgage loans
Loans by class categorized by internally assigned risk grades
Total loans	535,295	518,146
Multi-Family | Mortgage loans | Pass
Loans by class categorized by internally assigned risk grades
Total loans	535,295	518,146
Multi-Family | Mortgage loans | Substandard
Loans by class categorized by internally assigned risk grades
Total loans
Multi-Family | Mortgage loans | Doubtful
Loans by class categorized by internally assigned risk grades
Total loans
Residential real estate | Mortgage loans
Loans by class categorized by internally assigned risk grades
Total loans	443,062	439,653
Residential real estate | Mortgage loans | Residential mortgage
Loans by class categorized by internally assigned risk grades
Total loans	375,914	374,518
Residential real estate | Mortgage loans | Residential mortgage | Pass
Loans by class categorized by internally assigned risk grades
Total loans	366,217	372,853
Residential real estate | Mortgage loans | Residential mortgage | Special Mention
Loans by class categorized by internally assigned risk grades
Total loans	7,765	82
Residential real estate | Mortgage loans | Residential mortgage | Substandard
Loans by class categorized by internally assigned risk grades
Total loans	1,932	1,583
Residential real estate | Mortgage loans | Residential mortgage | Doubtful
Loans by class categorized by internally assigned risk grades
Total loans
Residential real estate | Mortgage loans | Home equity
Loans by class categorized by internally assigned risk grades
Total loans	67,148	65,135
Residential real estate | Mortgage loans | Home equity | Pass
Loans by class categorized by internally assigned risk grades
Total loans	66,084	64,195
Residential real estate | Mortgage loans | Home equity | Special Mention
Loans by class categorized by internally assigned risk grades
Total loans	484	563
Residential real estate | Mortgage loans | Home equity | Substandard
Loans by class categorized by internally assigned risk grades
Total loans	580	377
Residential real estate | Mortgage loans | Home equity | Doubtful
Loans by class categorized by internally assigned risk grades
Total loans
Commercial and Industrial
Loans by class categorized by internally assigned risk grades
Total loans	541,940	524,450
Commercial and Industrial | Secured
Loans by class categorized by internally assigned risk grades
Total loans	108,897	109,234
Commercial and Industrial | Secured | Pass
Loans by class categorized by internally assigned risk grades
Total loans	75,837	75,837
Commercial and Industrial | Secured | Special Mention
Loans by class categorized by internally assigned risk grades
Total loans	31,190	31,143
Commercial and Industrial | Secured | Substandard
Loans by class categorized by internally assigned risk grades
Total loans	1,870	2,254
Commercial and Industrial | Secured | Doubtful
Loans by class categorized by internally assigned risk grades
Total loans
Commercial and Industrial | Unsecured
Loans by class categorized by internally assigned risk grades
Total loans	433,043	415,216
Commercial and Industrial | Unsecured | Pass
Loans by class categorized by internally assigned risk grades
Total loans	425,546	409,879
Commercial and Industrial | Unsecured | Special Mention
Loans by class categorized by internally assigned risk grades
Total loans	4,651	2,493
Commercial and Industrial | Unsecured | Substandard
Loans by class categorized by internally assigned risk grades
Total loans	2,846	2,844
Commercial and Industrial | Unsecured | Doubtful
Loans by class categorized by internally assigned risk grades
Total loans
Real estate construction and land loans
Loans by class categorized by internally assigned risk grades
Total loans	85,704	80,605
Real estate construction and land loans | Pass
Loans by class categorized by internally assigned risk grades
Total loans	85,374	80,272
Real estate construction and land loans | Substandard
Loans by class categorized by internally assigned risk grades
Total loans	330	333
Real estate construction and land loans | Doubtful
Loans by class categorized by internally assigned risk grades
Total loans
Installment/consumer loans
Loans by class categorized by internally assigned risk grades
Total loans	16,863	16,368
Installment/consumer loans | Pass
Loans by class categorized by internally assigned risk grades
Total loans	16,763	16,268
Installment/consumer loans | Substandard
Loans by class categorized by internally assigned risk grades
Total loans	100	100
Installment/consumer loans | Doubtful
Loans by class categorized by internally assigned risk grades
Total loans