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OTHER REAL ESTATE OWNED- Additional information (Detail) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Real Estate Properties [Line Items]    
Foreclosures that meet the conditions of ASC Topic 310-40 $ 217,590 $ 171,066
Other Real Estate Owned [Member]    
Real Estate Properties [Line Items]    
Foreclosures that meet the conditions of ASC Topic 310-40 $ 16,900 $ 14,400