INVESTMENT SECURITIES (Narrative) (Details)	Mar. 31, 2020 USD ($) Investment_Positions	Jan. 01, 2020 USD ($)	Dec. 31, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Investments, Debt and Equity Securities [Abstract]
Securities pledged to secure public deposits	$ 295,500,000		$ 353,800,000
Schedule of Available-for-sale Securities [Line Items]
Financing Receivable, Allowance for Credit Loss	21,083,000	$ 17,174,000	13,905,000	$ 14,120,000	$ 14,210,000
Nonaccrual	4,874,000		4,472,000
Financing Receivable, Past Due	$ 5,077,000		$ 4,871,000
AFS and HTM [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities and Held-to-maturity investments in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Total | Investment_Positions	42
Available-for-sale Securities and Held-To-Maturity, Continuous Unrealized Loss Position Fair Value, Total	$ 100,000
Financing Receivable, Allowance for Credit Loss	0
Nonaccrual	0
Financing Receivable, Past Due	$ 0
U.S. Government Agency [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities and Held-to-maturity investments in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Total | Investment_Positions	41