INVESTMENT SECURITIES (Maturity Distribution) (Details) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Amortized Cost
Due in one year or less	$ 148,151,000
Due after one through five years	130,952,000
Total Investment Securities	410,414,000
Market Value
Due in one year or less	147,738,000
Due after one through five years	131,635,000
Total Investment Securities	410,851,000
Amortized Cost
Due in one year or less	19,840,000
Due after one through five years	20,055,000
Total Investment Securities	229,516,000	$ 217,320,000
Market Value
Due in one year or less	19,800,000
Due after one through five years	20,004,000
Total Investment Securities	230,690,000	214,413,000
U.S. Government Treasury [Member]
Amortized Cost
Total Investment Securities	35,062,000	35,088,000
Market Value
Total Investment Securities	34,973,000	34,611,000
U.S. Government Agency [Member]
Amortized Cost
Due without single maturity date	122,741,000
Market Value
Due without single maturity date	122,843,000
Amortized Cost
Due without single maturity date	0
Market Value
Due without single maturity date	0
States and Political Subdivisions [Member]
Amortized Cost
Total Investment Securities	4,833,000	6,512,000
Market Value
Total Investment Securities	4,831,000	6,486,000
Mortgage-Backed Securities [Member]
Amortized Cost
Due without single maturity date	723,000
Market Value
Due without single maturity date	788,000
Amortized Cost
Due without single maturity date	189,621,000
Total Investment Securities	189,621,000	175,720,000
Market Value
Due without single maturity date	190,886,000
Total Investment Securities	190,886,000	$ 173,316,000
Equity Securities [Member]
Amortized Cost
Due without single maturity date	7,847,000
Market Value
Due without single maturity date	$ 7,847,000