DERIVATIVES (Details) (USD $)	3 Months Ended	6 Months Ended						6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2014	Dec. 31, 2013		Jun. 30, 2014 Interest rate swaps [Member]	Dec. 31, 2013 Interest rate swaps [Member]		Jun. 30, 2014 Designated as hedging instrument [Member]	Dec. 31, 2013 Designated as hedging instrument [Member]	Jun. 30, 2014 Designated as hedging instrument [Member] Fair value hedges [Member] Cross currency swaps [Member]	Dec. 31, 2013 Designated as hedging instrument [Member] Fair value hedges [Member] Cross currency swaps [Member]	Jun. 30, 2014 Designated as hedging instrument [Member] Fair value hedges [Member] Interest rate swaps [Member]	Jun. 30, 2014 Designated as hedging instrument [Member] Cash flow hedges [Member] Interest rate swaps [Member]	Dec. 31, 2013 Designated as hedging instrument [Member] Cash flow hedges [Member] Interest rate swaps [Member]	Jun. 30, 2014 One notch downgrade [Member]	Jun. 30, 2014 Two notch downgrade [Member]
Derivative, Credit Risk Related Contingent Features [Abstract]
Fair value of derivatives with credit risk contingent feature associated with credit ratings	$ 27,200,000	$ 27,200,000
Additional collateral required															4,300,000	4,500,000
Fair value of derivatives with credit risk contingent features	164,800,000	164,800,000	198,800,000
Collateral posted	165,900,000	165,900,000	203,900,000
Summary of Fair Value Hedge Activity [Abstract]
Deferred loss on discontinuation of fair value hedge	11,700,000	11,700,000
Amortization of deferred hedge gains	700,000	1,300,000
Summary of Cash Flow Hedge Activity [Abstract]
Cash flow hedge loss to be reclassified within next twelve months		8,500,000
Summary of Derivative Instruments [Abstract]
Notional Amount	33,252,517,000	33,252,517,000	14,748,036,000	[1]	3,168,861,000	0	[1]	9,235,041,000	2,720,307,000	20,540,000	19,995,000	190,000,000	9,024,501,000	2,700,312,000
Fair value hedges, Asset										843,000	1,073,000	12,000
Cash flow hedges, Asset													2,102,000	4,803,000
Total, Asset								2,957,000	5,876,000
Fair value hedges, Liability										1,538,000	1,924,000	765,000
Cash flow hedges, Liability													44,281,000	58,381,000
Total, Liability								$ 46,584,000	$ 60,305,000
Weighted Average Receive Rate								0.13%	0.27%	4.76%	4.76%	0.89%	0.10%	0.24%
Weighted Average Pay Rate								0.54%	2.47%	4.75%	4.75%	2.36%	0.49%	2.46%
Weighted Average Life (Years)								2 years 3 months 25 days	1 year 10 months 24 days	1 year 7 months 9 days	2 years 1 month 9 days	4 years 8 months 4 days	2 years 3 months 7 days	1 year 10 months 20 days

[1] Balances at December 31, 2013 do not include SCUSA.