CREDIT QUALITY ASSESSMENT (Additional Information) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Troubled Debt Restructurings Restructured Accruing	$ 600	$ 1,900
Other real estate owned	1,911	2,742
Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Other real estate owned	500
Restructured Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Troubled Debt Restructurings Specific Allowance	0	500
Financing Receivable Troubled Debt Restructurings Restructured Accruing	2,500	4,500
Financing Receivable Troubled Debt Restructurings Restructured Non Accruing	6,700	6,900
Financing Receivable Troubled Debt Restructurings Balance	9,200	11,400
Additional Financing Receivable Troubled Debt Restructurings Restructured	$ 100	$ 100