ADVANCES FROM THE FEDERAL HOME LOAN BANK (FHLB) - Summary of Advances from FHLB (Detail) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Short Term Debt [Line Items]
Fixed-rate advances from FHLB, with a weighted-average interest rate of 1.69% (December 31, 2012 - 2.26%)	$ 355,000	$ 455,000

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