DERIVATIVE FINANCIAL INSTRUMENTS (Details)	6 Months Ended	12 Months Ended
	Jun. 30, 2019 USD ($) item	Dec. 31, 2018 USD ($) item
Derivative Instruments and Hedging Activities Disclosures [Table]
Deterioration in the customer’s credit worthiness	$ 0	$ 0
Number of interest rate swap agreements | item	19	13
Not Designated as Hedging Instruments
Derivative Instruments and Hedging Activities Disclosures [Table]
Notional Amount	$ 134,142,000	$ 83,648,000
Not Designated as Hedging Instruments | Other Assets. | Interest rate swaps with customers
Derivative Instruments and Hedging Activities Disclosures [Table]
Notional amount asset	60,887,000	8,901,000
Fair value asset	$ 2,505,000	$ 169,000
Weighted Average Maturity	6 years 6 months 4 days	6 years 2 months 19 days
Not Designated as Hedging Instruments | Other Assets. | Interest rate swaps with financial institutions
Derivative Instruments and Hedging Activities Disclosures [Table]
Notional amount asset	$ 6,184,000	$ 32,923,000
Fair value asset	$ 63,000	$ 793,000
Weighted Average Maturity	7 years 2 months 19 days	7 years 9 months 11 days
Not Designated as Hedging Instruments | Other liabilities. | Interest rate swaps with customers
Derivative Instruments and Hedging Activities Disclosures [Table]
Notional amount liability	$ 6,184,000	$ 32,923,000
Fair value liability	$ (63,000)	$ (793,000)
Weighted Average Maturity	7 years 2 months 19 days	7 years 9 months 11 days
Not Designated as Hedging Instruments | Other liabilities. | Interest rate swaps with financial institutions
Derivative Instruments and Hedging Activities Disclosures [Table]
Notional amount liability	$ 60,887,000	$ 8,901,000
Fair value liability	$ (2,505,000)	$ (169,000)
Weighted Average Maturity	6 years 6 months 4 days	6 years 2 months 19 days
Minimum | Not Designated as Hedging Instruments | Other Assets. | Interest rate swaps with customers
Derivative Instruments and Hedging Activities Disclosures [Table]
Fixed rate	4.40%	5.45%
Minimum | Not Designated as Hedging Instruments | Other Assets. | Interest rate swaps with financial institutions
Derivative Instruments and Hedging Activities Disclosures [Table]
Fixed rate	4.00%	4.00%
Minimum | Not Designated as Hedging Instruments | Other liabilities. | Interest rate swaps with customers
Derivative Instruments and Hedging Activities Disclosures [Table]
Fixed rate	4.00%	4.00%
Minimum | Not Designated as Hedging Instruments | Other liabilities. | Interest rate swaps with financial institutions
Derivative Instruments and Hedging Activities Disclosures [Table]
Fixed rate	4.40%	5.45%
Minimum | LIBOR | Not Designated as Hedging Instruments | Other Assets. | Interest rate swaps with customers
Derivative Instruments and Hedging Activities Disclosures [Table]
Floating rate	2.50%	2.50%
Minimum | LIBOR | Not Designated as Hedging Instruments | Other Assets. | Interest rate swaps with financial institutions
Derivative Instruments and Hedging Activities Disclosures [Table]
Floating rate	2.50%	2.50%
Minimum | LIBOR | Not Designated as Hedging Instruments | Other liabilities. | Interest rate swaps with customers
Derivative Instruments and Hedging Activities Disclosures [Table]
Floating rate	2.50%	2.50%
Minimum | LIBOR | Not Designated as Hedging Instruments | Other liabilities. | Interest rate swaps with financial institutions
Derivative Instruments and Hedging Activities Disclosures [Table]
Floating rate	2.50%	2.50%
Maximum | Not Designated as Hedging Instruments | Other Assets. | Interest rate swaps with customers
Derivative Instruments and Hedging Activities Disclosures [Table]
Fixed rate	7.25%	7.25%
Maximum | Not Designated as Hedging Instruments | Other Assets. | Interest rate swaps with financial institutions
Derivative Instruments and Hedging Activities Disclosures [Table]
Fixed rate		5.37%
Maximum | Not Designated as Hedging Instruments | Other liabilities. | Interest rate swaps with customers
Derivative Instruments and Hedging Activities Disclosures [Table]
Fixed rate		5.37%
Maximum | Not Designated as Hedging Instruments | Other liabilities. | Interest rate swaps with financial institutions
Derivative Instruments and Hedging Activities Disclosures [Table]
Fixed rate	7.25%	7.25%
Maximum | LIBOR | Not Designated as Hedging Instruments | Other Assets. | Interest rate swaps with customers
Derivative Instruments and Hedging Activities Disclosures [Table]
Floating rate	3.25%	3.20%
Maximum | LIBOR | Not Designated as Hedging Instruments | Other Assets. | Interest rate swaps with financial institutions
Derivative Instruments and Hedging Activities Disclosures [Table]
Floating rate		3.25%
Maximum | LIBOR | Not Designated as Hedging Instruments | Other liabilities. | Interest rate swaps with customers
Derivative Instruments and Hedging Activities Disclosures [Table]
Floating rate		3.25%
Maximum | LIBOR | Not Designated as Hedging Instruments | Other liabilities. | Interest rate swaps with financial institutions
Derivative Instruments and Hedging Activities Disclosures [Table]
Floating rate	3.25%	3.20%