DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Summary of Interest Rate Swaps (Detail) - USD ($) $ in Thousands		Mar. 31, 2016	Dec. 31, 2015
Pay fixed/receive floating :
Notional amount	[1]	$ 277,954	$ 271,632

[1] (1) Notional amounts are presented on a gross basis with no netting of offsetting exposure positions.