LOANS (Details 4) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing	$ 1,027	$ 964
Nonaccrual Including 90 Days or More Past Due	1,241	1,350
Total Past Due and Nonaccrual	4,424	3,819
Current	2,591,781	2,403,703
Total loans	2,596,205	2,407,522
30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	2,156	1,136
60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual		369
Commercial real estate | Mortgage loans
Past Due and Nonaccrual Loans
Total loans	1,016,983	999,474
Commercial real estate | Mortgage loans | Owner occupied
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing	467	435
Nonaccrual Including 90 Days or More Past Due	184	631
Total Past Due and Nonaccrual	873	1,066
Current	423,342	470,255
Total loans	424,215	471,321
Commercial real estate | Mortgage loans | Owner occupied | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	222
Commercial real estate | Mortgage loans | Owner occupied | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual
Commercial real estate | Mortgage loans | Non-owner occupied
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing
Nonaccrual Including 90 Days or More Past Due
Total Past Due and Nonaccrual
Current	592,768	528,153
Total loans	592,768	528,153
Commercial real estate | Mortgage loans | Non-owner occupied | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual
Commercial real estate | Mortgage loans | Non-owner occupied | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual
Multi-family | Mortgage loans
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing
Nonaccrual Including 90 Days or More Past Due
Total Past Due and Nonaccrual
Current	518,146	350,793
Total loans	518,146	350,793
Multi-family | Mortgage loans | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual
Multi-family | Mortgage loans | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual
Residential real estate | Mortgage loans
Past Due and Nonaccrual Loans
Total loans	439,653	446,740
Residential real estate | Mortgage loans | Residential
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing
Nonaccrual Including 90 Days or More Past Due	770	62
Total Past Due and Nonaccrual	2,002	1,246
Current	372,516	377,168
Total loans	374,518	378,414
Residential real estate | Mortgage loans | Residential | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	1,232	939
Residential real estate | Mortgage loans | Residential | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual		245
Residential real estate | Mortgage loans | Home equity
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing	238	188
Nonaccrual Including 90 Days or More Past Due	265	610
Total Past Due and Nonaccrual	1,035	967
Current	64,100	67,359
Total loans	65,135	68,326
Residential real estate | Mortgage loans | Home equity | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	532	69
Residential real estate | Mortgage loans | Home equity | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual		100
Commercial and industrial
Past Due and Nonaccrual Loans
Total loans	524,450	501,766
Commercial and industrial | Secured
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing	204	341
Nonaccrual Including 90 Days or More Past Due
Total Past Due and Nonaccrual	231	341
Current	109,003	123,396
Total loans	109,234	123,737
Commercial and industrial | Secured | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	27
Commercial and industrial | Secured | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual
Commercial and industrial | Unsecured
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing	118
Nonaccrual Including 90 Days or More Past Due	22	44
Total Past Due and Nonaccrual	255	196
Current	414,961	377,833
Total loans	415,216	378,029
Commercial and industrial | Unsecured | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	115	128
Commercial and industrial | Unsecured | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual		24
Real estate-construction and land loans
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing
Nonaccrual Including 90 Days or More Past Due
Total Past Due and Nonaccrual
Current	80,605	91,153
Total loans	80,605	91,153
Real estate-construction and land loans | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual
Real estate-construction and land loans | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual
Installment/consumer loans
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing
Nonaccrual Including 90 Days or More Past Due		3
Total Past Due and Nonaccrual	28	3
Current	16,340	17,593
Total loans	16,368	17,596
Installment/consumer loans | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	28
Installment/consumer loans | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual