SECURITIES (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Debt Securities, Trading	$ 1,500,000	$ 1,300,000
Equity Securities, FV-NI	19,477,000	0
Investments in obligations of individual states, counties or municipalities which exceed 10% of equity	0	0
Debt Securities, Available-for-sale	442,752,000	447,498,000
Callable securities in investment portfolio	5,300,000
Investment securities pledged	361,100,000	547,200,000
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Period Increase (Decrease)	0	0	$ 0
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held	0	0	$ 0
Marketable securities [Member]
Debt Securities, Available-for-sale	$ 0	$ 20,584,000