INCOME TAXES - Deferred Income Tax Assets and (Liabilities) (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Components of Deferred Tax Assets and Liabilities
Allowance for loan losses	$ 2,641,000	$ 2,904,000
Minimum pension liability	1,786,000	1,713,000
Unrealized loss on securities available-for-sale	1,066,000	242,000
Gross deferred tax assets	5,493,000	4,859,000
Depreciation	(1,352,000)	(883,000)
Pension	(6,000)	(43,000)
Goodwill	(465,000)	(452,000)
Gross deferred tax liabilities	(1,823,000)	(1,378,000)
Net deferred tax asset	3,670,000	$ 3,481,000
Deferred income tax valuation allowance	0
Liability for uncertain tax positions	0
Unrecognized tax benefits	$ 0