OTHER REAL ESTATE OWNED- Other real estate owned (Detail) - USD ($) $ in Thousands		Dec. 31, 2016	Dec. 31, 2015
Other Real Estate And Foreclosed Assets [Line Items]
Other Real Estate And Foreclosed Assets		$ 137,681	$ 146,801
Residential Real Estate [Member]
Other Real Estate And Foreclosed Assets [Line Items]
Other Real Estate And Foreclosed Assets	[1]	46,917	43,563
Commercial Real Estate [Member]
Other Real Estate And Foreclosed Assets [Line Items]
Other Real Estate And Foreclosed Assets		78,698	87,849
Construction Real Estate [Member]
Other Real Estate And Foreclosed Assets [Line Items]
Other Real Estate And Foreclosed Assets		$ 12,066	$ 15,389

[1] As of December 31, 2015, excludes $8.9 million of foreclosures related to loans guaranteed by the FHA/VA completed in 2015 that meet the conditions of ASC 310-40 and are presented as a receivable (other assets) in the statement of financial condition.