LOANS (Details 1) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Loans by class categorized by internally assigned risk grades
Total loans	$ 2,791,617	$ 2,596,205
Pass
Loans by class categorized by internally assigned risk grades
Total loans	2,687,681	2,511,904
Special Mention
Loans by class categorized by internally assigned risk grades
Total loans	65,685	73,225
Substandard
Loans by class categorized by internally assigned risk grades
Total loans	38,251	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	1,191,848	1,091,752
Commercial real estate | Mortgage loans | Owner occupied
Loans by class categorized by internally assigned risk grades
Total loans	445,830	424,215
Commercial real estate | Mortgage loans | Owner occupied | Pass
Loans by class categorized by internally assigned risk grades
Total loans	426,406	404,584
Commercial real estate | Mortgage loans | Owner occupied | Special Mention
Loans by class categorized by internally assigned risk grades
Total loans	1,345	18,909
Commercial real estate | Mortgage loans | Owner occupied | Substandard
Loans by class categorized by internally assigned risk grades
Total loans	18,079	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	746,018	667,537
Commercial real estate | Mortgage loans | Non-owner occupied | Pass
Loans by class categorized by internally assigned risk grades
Total loans	712,934	643,426
Commercial real estate | Mortgage loans | Non-owner occupied | Special Mention
Loans by class categorized by internally assigned risk grades
Total loans	28,633	20,035
Commercial real estate | Mortgage loans | Non-owner occupied | Substandard
Loans by class categorized by internally assigned risk grades
Total loans	4,451	4,076
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	547,101	518,146
Multi-Family | Mortgage loans | Pass
Loans by class categorized by internally assigned risk grades
Total loans	547,101	518,146
Multi-Family | Mortgage loans | Special Mention
Loans by class categorized by internally assigned risk grades
Total loans
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	383,008	364,884
Residential real estate | Mortgage loans | Residential mortgage
Loans by class categorized by internally assigned risk grades
Total loans	319,691	299,749
Residential real estate | Mortgage loans | Residential mortgage | Pass
Loans by class categorized by internally assigned risk grades
Total loans	319,064	299,297
Residential real estate | Mortgage loans | Residential mortgage | Special Mention
Loans by class categorized by internally assigned risk grades
Total loans	186	82
Residential real estate | Mortgage loans | Residential mortgage | Substandard
Loans by class categorized by internally assigned risk grades
Total loans	441	370
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	63,317	65,135
Residential real estate | Mortgage loans | Home equity | Pass
Loans by class categorized by internally assigned risk grades
Total loans	62,149	64,195
Residential real estate | Mortgage loans | Home equity | Special Mention
Loans by class categorized by internally assigned risk grades
Total loans	582	563
Residential real estate | Mortgage loans | Home equity | Substandard
Loans by class categorized by internally assigned risk grades
Total loans	586	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	574,241	524,450
Commercial and Industrial | Secured
Loans by class categorized by internally assigned risk grades
Total loans	106,376	109,234
Commercial and Industrial | Secured | Pass
Loans by class categorized by internally assigned risk grades
Total loans	73,958	75,837
Commercial and Industrial | Secured | Special Mention
Loans by class categorized by internally assigned risk grades
Total loans	24,918	31,143
Commercial and Industrial | Secured | Substandard
Loans by class categorized by internally assigned risk grades
Total loans	7,500	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	467,865	415,216
Commercial and Industrial | Unsecured | Pass
Loans by class categorized by internally assigned risk grades
Total loans	451,095	409,879
Commercial and Industrial | Unsecured | Special Mention
Loans by class categorized by internally assigned risk grades
Total loans	10,002	2,493
Commercial and Industrial | Unsecured | Substandard
Loans by class categorized by internally assigned risk grades
Total loans	6,768	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	78,693	80,605
Real estate construction and land loans | Pass
Loans by class categorized by internally assigned risk grades
Total loans	78,367	80,272
Real estate construction and land loans | Special Mention
Loans by class categorized by internally assigned risk grades
Total loans
Real estate construction and land loans | Substandard
Loans by class categorized by internally assigned risk grades
Total loans	326	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	16,726	16,368
Installment/consumer loans | Pass
Loans by class categorized by internally assigned risk grades
Total loans	16,607	16,268
Installment/consumer loans | Special Mention
Loans by class categorized by internally assigned risk grades
Total loans	19
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