LOANS (Details 3) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing	$ 964	$ 144
Nonaccrual Including 90 Days or More Past Due	1,350	1,347
Total Past Due and Nonaccrual	3,819	2,801
Current	2,403,703	1,333,160
Total loans	2,407,522	1,335,961	$ 1,011,525
30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	1,136	1,126
60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	369	$ 184
Commercial real estate: Owner occupied
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing	435
Nonaccrual Including 90 Days or More Past Due	631	$ 595
Total Past Due and Nonaccrual	1,066	779
Current	470,255	255,829
Total loans	$ 471,321	$ 256,608
Commercial real estate: Owner occupied | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual
Commercial real estate: Owner occupied | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual		$ 184
Commercial real estate: Non-owner occupied
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing		10
Nonaccrual Including 90 Days or More Past Due		10
Total Past Due and Nonaccrual		201
Current	$ 582,078	338,588
Total loans	$ 582,078	338,789
Commercial real estate: Non-owner occupied | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual		$ 181
Commercial real estate: Non-owner occupied | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual
Multi-Family
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	$ 350,793	$ 218,985
Total loans	$ 350,793	$ 218,985	107,488
Multi-Family | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual
Multi-Family | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual
Residential real estate: Residential mortgage
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing
Nonaccrual Including 90 Days or More Past Due	$ 62	$ 143
Total Past Due and Nonaccrual	1,246	143
Current	323,243	89,875
Total loans	324,489	$ 90,018
Residential real estate: Residential mortgage | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	939
Residential real estate: Residential mortgage | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	245
Residential real estate: Home equity
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing	188	$ 134
Nonaccrual Including 90 Days or More Past Due	610	374
Total Past Due and Nonaccrual	967	1,427
Current	67,359	64,711
Total loans	68,326	66,138
Residential real estate: Home equity | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	69	$ 919
Residential real estate: Home equity | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	100
Commercial: Secured
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing	$ 341
Nonaccrual Including 90 Days or More Past Due
Total Past Due and Nonaccrual	$ 341
Current	123,396	$ 93,967
Total loans	$ 123,737	$ 93,967
Commercial: Secured | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual
Commercial: Secured | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual
Commercial: Unsecured
Past Due and Nonaccrual Loans
>90 Days Past Due and Accruing
Nonaccrual Including 90 Days or More Past Due	$ 44	$ 222
Total Past Due and Nonaccrual	196	247
Current	377,833	197,529
Total loans	378,029	197,776
Commercial: Unsecured | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual	128	$ 25
Commercial: 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	$ 91,153	$ 63,556
Total loans	$ 91,153	$ 63,556	46,981
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	$ 3
Total Past Due and Nonaccrual	3	4
Current	17,593	10,120
Total loans	$ 17,596	10,124	$ 9,287
Installment/Consumer Loans | 30-59 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual		$ 1
Installment/Consumer Loans | 60-89 Days Past Due
Past Due and Nonaccrual Loans
Total Past Due and Nonaccrual