FAIR VALUE DISCLOSURES (Changes in Level Three Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Mortgage Servicing Rights [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	$ 57,268	$ 51,296
Net loss	(16,022)	(9,397)
Additions	10,684	11,074
Ending Balance	51,930	52,973
Net unrealized (losses) gains included in net income for the quarter relating to assets and liabilities held	1,813	(5,308)
Derivative Instruments [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	3,257	623
Net loss	2,316	1,906
Ending Balance	5,573	2,529
Net unrealized (losses) gains included in net income for the quarter relating to assets and liabilities held	$ 544	$ (3,909)