FAIR VALUE DISCLOSURES (Changes in Level Three Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Mortgage Servicing Rights [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	$ 37,882	$ 30,174
Net income	2,690	(10,823)
Other comprehensive income
Purchases, sales, issuances and settlements, net	(14,090)	18,531
Transfers in and/or out of Level 3
Ending Balance	54,662	37,882
Net unrealized (losses) gains included in net income for the year relating to assets and liabilities held	8,943	(3,163)
Derivative Instruments [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	2,911	342
Net income	(2,033)	2,569
Other comprehensive income
Purchases, sales, issuances and settlements, net
Transfers in and/or out of Level 3
Ending Balance	878	2,911
Net unrealized (losses) gains included in net income for the year relating to assets and liabilities held	(2,033)	2,569
Available-for-sale Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance
Net income
Other comprehensive income
Purchases, sales, issuances and settlements, net
Transfers in and/or out of Level 3
Ending Balance
Net unrealized (losses) gains included in net income for the year relating to assets and liabilities held