DERIVATIVE FINANCIAL INSTRUMENTS (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cash Flow Hedging
Derivatives Fair Value [Line Items]
Notional amount of derivative contract	$ 140,000,000.0
Interest Rate Swap
Derivatives Fair Value [Line Items]
Maximum length of time hedged cash flow hedge period	9 years 7 months 6 days
Notional amount of derivative contract	$ 80,000,000.0	$ 50,000,000.0
Gain (loss) on derivative instrument	(2,300,000)	51,000
Tax expense (benefit)	(600,000)	14,000
Gain on derivative instrument			$ 84,000
Income tax expense			$ 22,000
Interest Rate Swap | Accumulated other comprehensive income
Derivatives Fair Value [Line Items]
Accumulated loss in other comprehensive income	1,800,000
Interest Rate Swap | Designated As Hedging Instrument | Cash Flow Hedging | Accrued Taxes And Other Liabilities
Derivatives Fair Value [Line Items]
Gross liabilities	2,800,000
Gross assets	600,000
Derivative financial instruments	$ 2,200,000
Interest Rate Swap | Designated As Hedging Instrument | Cash Flow Hedging | Other assets
Derivatives Fair Value [Line Items]
Fair value		$ 700,000