CREDIT QUALITY ASSESSMENT (Summary of Impaired Loans) (Detail) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Credit Quality Assessment [Abstract]
Impaired loans with a specific allowance	$ 12,018	$ 14,208
Impaired loans without a specific allowance	13,102	14,719
Total impaired loans	25,120	28,927
Allowance for loan and lease losses related to impaired loans	3,778	3,375
Allowance for loan and lease losses related to loans collectively evaluated	39,606	37,520
Total allowance for loan and lease losses	43,384	40,895
Average impaired loans for the period	27,840	29,828
Contractual interest income due on impaired loans during the period	1,099	2,527
Interest income on impaired loans recognized on a cash basis	507	961
Interest income on impaired loans recognized on an accrual basis	$ 119	$ 274