INCOME TAXES - Current and Deferred Taxes (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current tax provision:
Federal									$ 1,051	$ 697
State									258	183
Total current tax provision									1,309	880
Deferred tax benefit:
Federal									(293)	(24)
State									(85)	(6)
Total deferred tax (benefit) provision									(378)	(30)
Total tax provision	$ 302	$ 269	$ 211	$ 149	$ 232	$ 237	$ 221	$ 160	$ 931	$ 850
Difference between statutory federal income tax rate and effective tax rates
Statutory rate (as a percent)									34.00%	34.00%
Increase (decrease) resulting from:
State taxes, net of federal tax benefit (as a percent)									4.70%	5.00%
Bank-owned life insurance (as a percent)									(1.40%)	(1.50%)
Stock compensation plans (as a percent)									1.50%	0.90%
Interest income from municipal securities (as a percent)									(0.80%)	(0.90%)
Other, net (as a percent)										(1.00%)
Effective tax rates (as a percent)									38.00%	36.50%
Deferred tax assets:
Total deferred tax assets	1,704				1,542				$ 1,704	$ 1,542
Deferred tax liabilities:
Total deferred tax liabilities	(639)				(907)				(639)	(907)
Net deferred tax asset	1,065				635				1,065	635	$ 902
Federal Income Tax
Deferred tax assets:
Total deferred tax assets	1,320				1,195				1,320	1,195
Deferred tax liabilities:
Total deferred tax liabilities	(498)				(718)				(498)	(718)
State
Deferred tax assets:
Total deferred tax assets	384				347				384	347
Deferred tax liabilities:
Total deferred tax liabilities	$ (141)				$ (189)				$ (141)	$ (189)