DERIVATIVE FINANCIAL INSTRUMENTS, Fair Values Of Derivative Instruments (Details) (USD $) In Thousands	Sep. 30, 2011		Dec. 31, 2010
Interest Rate Swaps [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	$ 100,000		$ 0
Derivative Assets	1,658	[1]	0	[1]
Derivative Liabilities	0	[1]	0	[1]
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	100,000		0
Derivative Assets	1,658	[1]	0	[1]
Derivative Liabilities	0	[1]	0	[1]
Foreign Exchange Options [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	85,614		85,614
Derivative Assets	4,392	[1]	5,084	[1]
Derivative Liabilities	2,766	[1]	3,239	[1]
Interest Rate Swaps [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	410,898		4,098
Derivative Assets	16,133	[1]	13	[1]
Derivative Liabilities	17,237	[1]	14	[1]
Equity Swap Agreements [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	22,709		22,884
Derivative Assets	200	[1]	206	[1]
Derivative Liabilities	203	[1]	210	[1]
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	519,221		112,596
Derivative Assets	20,725	[1]	5,303	[1]
Derivative Liabilities	$ 20,206	[1]	$ 3,463	[1]

[1] Derivative assets, which are a component of other assets, include the estimated gain to settle a derivative contract. Derivative liabilities, which are a component of other liabilities and deposits, include the estimated loss to settle a derivative contract.