DERIVATIVES AND HEDGING (Schedule of Swapped Variable Cost for Fixed Cost and Terms of Interest Rate Swap Agreements) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Interest rate swaps
Derivative [Line Items]
Notional Amount	$ 43,000,000		$ 43,000,000		$ 43,000,000
Fair Value	(12,584,000)		(12,584,000)		(8,187,000)
Loss on Cash Flow Hedge Ineffectiveness	$ 0	$ 0	$ 0	$ 0
Interest rate swaps | Contract One
Derivative [Line Items]
Federal Home Loan Bank, Advances, Maturity Period, Variable Rate			3 months
Trade Date			Mar. 18, 2009
Maturity Date			Jun. 30, 2021
Fixed Rate Paid	5.09%		5.09%
Notional Amount	$ 10,000,000		$ 10,000,000		10,000,000
Fair Value	$ (346,000)		$ (346,000)		(299,000)
Interest rate swaps | Contract Two
Derivative [Line Items]
Federal Home Loan Bank, Advances, Maturity Period, Variable Rate			3 months
Trade Date			Jul. 08, 2009
Maturity Date			Jun. 30, 2029
Fixed Rate Paid	5.84%		5.84%
Notional Amount	$ 10,000,000		$ 10,000,000		10,000,000
Fair Value	$ (3,497,000)		$ (3,497,000)		(2,318,000)
Interest rate swaps | Contract, Three
Derivative [Line Items]
Federal Home Loan Bank, Advances, Maturity Period, Variable Rate			3 months
Trade Date			May 06, 2010
Maturity Date			Jun. 30, 2030
Fixed Rate Paid	5.71%		5.71%
Notional Amount	$ 10,000,000		$ 10,000,000		10,000,000
Fair Value	$ (3,693,000)		$ (3,693,000)		(2,384,000)
Interest rate swaps | Contract, Four
Derivative [Line Items]
Federal Home Loan Bank, Advances, Maturity Period, Variable Rate			3 months
Trade Date			Mar. 14, 2011
Maturity Date			Mar. 30, 2031
Fixed Rate Paid	4.35%		4.35%
Notional Amount	$ 5,000,000		$ 5,000,000		5,000,000
Fair Value	$ (1,988,000)		$ (1,988,000)		(1,279,000)
Interest rate swaps | Contract, Five
Derivative [Line Items]
Federal Home Loan Bank, Advances, Maturity Period, Variable Rate			3 months
Trade Date			May 04, 2011
Maturity Date			Jul. 07, 2031
Fixed Rate Paid	4.14%		4.14%
Notional Amount	$ 8,000,000		$ 8,000,000		8,000,000
Fair Value	$ (3,060,000)		$ (3,060,000)		(1,907,000)
Forward-Starting Interest Rate Swap | Contract One
Derivative [Line Items]
Federal Home Loan Bank, Advances, Maturity Period, Variable Rate			1 month
Forward-Starting Interest Rate Swap | Contract Two
Derivative [Line Items]
Federal Home Loan Bank, Advances, Maturity Period, Variable Rate			1 month
Interest Rate Swap On Loans [Member]
Derivative [Line Items]
Trade Date			Jun. 12, 2019
Maturity Date			Jun. 10, 2024
Fixed Rate Paid	1.693%		1.693%
Notional Amount	$ 100,000,000		$ 100,000,000		100,000,000
Fair Value	6,109,000		6,109,000		$ 483,000
Loss on Cash Flow Hedge Ineffectiveness	$ 0		$ 0