DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Notional Amounts of All Derivative Instruments (Detail) - USD ($) $ in Thousands		Sep. 30, 2016	Dec. 31, 2015
Economic undesignated hedges:
Notional amount of derivatives	[1]	$ 228,020	$ 271,632
Nondesignated [Member] | Interest Rate Swap [Member]
Economic undesignated hedges:
Notional amount of derivatives	[1]	0	0
Nondesignated [Member] | Interest Rate Cap [Member] | Purchase
Economic undesignated hedges:
Notional amount of derivatives	[1]	91,510	120,816
Nondesignated [Member] | Interest Rate Cap [Member] | Written
Economic undesignated hedges:
Notional amount of derivatives	[1]	91,510	120,816
Nondesignated [Member] | Forward Contracts [Member]
Economic undesignated hedges:
Notional amount of derivatives	[1]	$ 45,000	$ 30,000

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