DERIVATIVE INSTRUMENTS - Additional Information (Detail) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016	Jan. 30, 2015	Sep. 30, 2013
Derivative [Line Items]
Cash pledged as collateral			$ 0
Interest Rate Swap Maturing on September 27, 2018 | Cash Flow Hedging
Derivative [Line Items]
Derivatives, notional amount					$ 50,000,000
Termination of derivatives			75,000,000
Interest Rate Swap Maturing on January 30, 2022 | Cash Flow Hedging
Derivative [Line Items]
Derivatives, notional amount				$ 25,000,000
Foreign exchange contracts
Derivative [Line Items]
Derivatives asset, fair values	$ 0		$ 47,000
Net Revenue on Mortgage Banking Activities
Derivative [Line Items]
Derivatives gain (loss)	(324,000)	$ (6,300,000)
Other Assets | Foreign exchange contracts
Derivative [Line Items]
Derivatives asset, fair values	$ 0