DERIVATIVE FINANCIAL INSTRUMENTS (Loan Swaps) (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Derivative [Line Items]
Cash pledged as collateral	$ 3,800,000	$ 1,900,000
Other Assets
Derivative [Line Items]
Notional Amount	9,198,000	9,627,000
Counterparties
Derivative [Line Items]
Cash pledged as collateral	0	0
Back-to-back Swaps
Derivative [Line Items]
Cash pledged as collateral	46,500,000	20,200,000
Back-to-back Swaps | Other Assets
Derivative [Line Items]
Notional Amount	440,719,000	374,191,000
Fair Value	$ 43,422,000	$ 16,927,000
Back-to-back Swaps | Other Assets | Weighted Average Receive Rate
Derivative [Line Items]
Weighted Average Rate	4.46%	4.68%
Back-to-back Swaps | Other Assets | Weighted Average Pay Rate
Derivative [Line Items]
Weighted Average Rate	2.46%	4.05%
Back-to-back Swaps | Other Liabilities
Derivative [Line Items]
Notional Amount	$ 440,719,000	$ 374,191,000
Fair Value	$ (43,422,000)	$ (16,927,000)
Back-to-back Swaps | Other Liabilities | Weighted Average Receive Rate
Derivative [Line Items]
Weighted Average Rate	2.46%	4.05%
Back-to-back Swaps | Other Liabilities | Weighted Average Pay Rate
Derivative [Line Items]
Weighted Average Rate	4.46%	4.68%
Back-to-back Swaps | Counterparties
Derivative [Line Items]
Cash pledged as collateral	$ 0