DERIVATIVE FINANCIAL INSTRUMENTS, Fair Values Of Derivative Instruments (Details) (USD $) In Thousands	Jun. 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	292	[1]	0	[1]
Derivative liabilities	374	[1]	0	[1]
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Notional amount	100,000		0
Derivative assets	292	[1]	0	[1]
Derivative liabilities	374	[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	4,932	[1]	5,084	[1]
Derivative liabilities	3,045	[1]	3,239	[1]
Interest Rate Swaps [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Notional amount	275,734		4,098
Derivative assets	5,884	[1]	13	[1]
Derivative liabilities	6,155	[1]	14	[1]
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Notional amount	619,156		112,596
Derivative assets	11,017	[1]	5,303	[1]
Derivative liabilities	10,252	[1]	3,463	[1]
Not Designated as Hedging Instrument [Member] | Equity Swap Agreements [Member]
Derivatives, Fair Value [Line Items]
Notional amount	22,709		22,884
Derivative assets	201	[1]	206	[1]
Derivative liabilities	202	[1]	210	[1]
Not Designated as Hedging Instrument [Member] | Short-term Call Option [Member]
Derivatives, Fair Value [Line Items]
Notional amount	235,099		0
Derivative assets	0	[1]	0	[1]
Derivative liabilities	$ 850	[1]	$ 0	[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.