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OTHER REAL ESTATE OWNED - Activities in Other Real Estate Owned (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Other Real Estate and Foreclosed Assets [Roll Forward]        
Balance at beginning of period $ 3,345 $ 325 $ 2,502 $ 1,097
Additions 632 157 1,803 304
Sales and net direct write-downs (710) (44) (1,035) (963)
Net change in valuation allowance 0 (9) (3) (9)
Balance at end of period $ 3,267 $ 429 $ 3,267 $ 429