DERIVATIVE INSTRUMENTS (Details 2) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Counterparty One
Notional amount
Net asset	$ 2,700	$ 2,400
Collateral held	100
Collateral posted		20,700
Counterparty Two
Notional amount
Net asset	2,100	1,600
Collateral held		100
Collateral posted	2,000
Counterparty Three
Notional amount
Net asset	7,100	9,100
Collateral held	37,400	23,600
Free-Standing Derivatives: | Interest rate swaps
Notional amount
Notional	267,300	297,700
Free-Standing Derivatives: | Foreign exchange forward contracts and options
Notional amount
Notional amount of liability	$ 319,771	$ 375,524