REPURCHASE ARRANGEMENTS AND SIMILAR BORROWINGS - Schedule of Average Borrowings Outstanding (Details) (Average Borrowings And Rates For The Indicated Years, Adjusted For The Effects Of Related Derivatives Held As Cash Flow Hedges [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Average Borrowings And Rates For The Indicated Years, Adjusted For The Effects Of Related Derivatives Held As Cash Flow Hedges [Member]
Repurchase Arrangements And Similar Borrowings, Including Interest Rate Hedging Activity [Line Items]
Average Borrowings	$ 12,702,941	$ 12,442,706
Average Rate (in hundredths)	0.52%	0.56%