INCOME TAXES (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Income Tax Examination [Line Items]
Tax benefit for deferred tax temporary differences	$ 900,000
Unrecognized tax benefits	0		$ 0
Amortization method qualified affordable housing project investments, amortization	500,000	$ 400,000	1,400,000	$ 1,200,000
Tax benefits recorded as income tax expense			200,000
Carrying value of investment in affordable housing credits	12,300,000		12,300,000		$ 13,800,000
Tax Credit
Income Tax Examination [Line Items]
Affordable housing tax credits	$ 1,300,000		$ 1,300,000