OTHER REAL ESTATE OWNED- Other real estate owned (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015		Dec. 31, 2014
Other Real Estate And Foreclosed Assets [Line Items]
Other real estate owned	$ 122,628		$ 124,003
Residential Real Estate [Member]
Other Real Estate And Foreclosed Assets [Line Items]
Other real estate owned	26,031		22,520
Commercial Real Estate [Member]
Other Real Estate And Foreclosed Assets [Line Items]
Other real estate owned	72,473		75,654
Construction Real Estate [Member]
Other Real Estate And Foreclosed Assets [Line Items]
Other real estate owned	17,257		18,770
Government Guaranteed [Member]
Other Real Estate And Foreclosed Assets [Line Items]
Other real estate owned	$ 6,867	[1]	$ 7,059	[1]

[1] As of March 31, 2015, exclude $0.2 million of foreclosures 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.