STOCK COMPENSATION (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended			12 Months Ended
	Jan. 31, 2016	Jan. 31, 2015	Jan. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Restricted Stock
Shares [Roll Forward]
Nonvested, beginning of period (in shares)	22,569	26,428		26,428
Granted (in shares)				7,628
Vested (in shares)				(11,487)
Forfeited or cancelled (in shares)				0
Nonvested, end of period (in shares)				22,569	26,428
Weighted-Average Grant Date Fair Value [Roll Forward]
Nonvested, beginning of period (in dollars per share)	$ 28.09	$ 27.92		$ 27.92
Granted (in dollars per share)				27.55
Vested (in dollars per share)				27.34
Forfeitures or cancelled (in dollars per share)				0.00
Nonvested, end of period (in dollars per share)				$ 28.09	$ 27.92
Total unrecognized compensation cost related to nonvested shares granted under the Plan				$ 615
Weighted-average period for recognition				3 years 9 months 4 days
Total fair value of shares vested				$ 314	$ 152	$ 181
President and Chief Executive Officer
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Service period				12 months
Directors and President and Chief Executive Officer
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Number of treasury shares reissued to fund stock compensation (in shares)		9,673	8,385
Expense related to stock compensation recognized				$ 262	$ 271	$ 273
Subsequent Event | Directors and President and Chief Executive Officer
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Number of treasury shares reissued to fund stock compensation (in shares)	9,532