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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Summary of Interest Rate Swaps (Detail) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Pay fixed/receive floating :    
Derivative Notional Amount [1] $ 208,020 $ 216,020
[1]
(1) Notional amounts are presented on a gross basis with no netting of offsetting exposure positions.