SECURITIES - Securities Held to Maturity (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Amortized cost and estimated fair value of securities held to maturity [Abstract]
Amortized Cost	$ 4,875,000	$ 3,781,000
Estimated Fair Value	4,858,000	3,776,000
Unrealized Gains	0	0
Unrealized Losses	17,000	5,000
Amortized Cost
Within one year	2,783,000
After one, but within five years	2,092,000
After five, but within ten years	0
After ten years	0
Total	4,875,000	3,781,000
Fair Value
Within one year	2,777,000
After one, but within five years	2,081,000
After five, but within ten years	0
After ten years	0
Total	4,858,000	3,776,000
Gain (loss) on sale of held-to-maturity securities	0	0
Obligations of states and political subdivisions
Amortized cost and estimated fair value of securities held to maturity [Abstract]
Amortized Cost	3,020,000	1,946,000
Estimated Fair Value	3,020,000	1,946,000
Unrealized Gains	0	0
Unrealized Losses	0	0
Amortized Cost
Total	3,020,000	1,946,000
Fair Value
Total	3,020,000	1,946,000
Time deposits with other financial institutions
Amortized cost and estimated fair value of securities held to maturity [Abstract]
Amortized Cost	1,855,000	1,835,000
Estimated Fair Value	1,838,000	1,830,000
Unrealized Gains	0	0
Unrealized Losses	17,000	5,000
Amortized Cost
Total	1,855,000	1,835,000
Fair Value
Total	$ 1,838,000	$ 1,830,000