OTHER REAL ESTATE OWNED- Other real estate owned (Detail) - USD ($) $ in Thousands		Mar. 31, 2016	Dec. 31, 2015
Other Real Estate And Foreclosed Assets [Line Items]
Other real estate owned		$ 142,888	$ 146,801
Residential Real Estate [Member]
Other Real Estate And Foreclosed Assets [Line Items]
Other real estate owned	[1]	42,976	43,563
Commercial Real Estate [Member]
Other Real Estate And Foreclosed Assets [Line Items]
Other real estate owned		86,008	87,849
Construction Real Estate [Member]
Other Real Estate And Foreclosed Assets [Line Items]
Other real estate owned		$ 13,904	$ 15,389

[1] Excludes $10.9 million and $8.9 million as of March 31, 2016 and December 31, 2015, respectively, of foreclosures that meet the conditions of ASC 310-40 and are presented as a receivable (other assets) in the statement of financial condition.