INCOME TAXES (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Income Tax Examination [Line Items]
Unrecognized tax benefits	$ 0
Amortization method qualified affordable housing project investments, amortization	500,000	$ 400,000
Tax benefits recorded as income tax expense	100,000
Carrying value of investment in affordable housing credits	13,300,000		$ 13,800,000
Tax Credit
Income Tax Examination [Line Items]
Affordable housing tax credits	$ 400,000