Deposits (Tables)

3 Months Ended

Mar. 31, 2012

Deposits [Abstract]

Schedule Of Deposits

	March 31,		Percentage			December 31,		Percentage			March 31,		Percentage
	2012		of Total			2011		of Total			2011		of Total
Non-interest-bearing demand deposits:
Commercial and individual	$	6,006,806		35.5	%	$	5,848,840		34.9	%	$	4,903,053		33.3	%
Correspondent banks		331,114		2.0			370,275		2.2			290,099		2.0
Public funds		446,192		2.6			453,440		2.7			219,850		1.5
Total non-interest-bearing demand deposits		6,784,112		40.1			6,672,555		39.8			5,413,002		36.8
Interest-bearing deposits:
Private accounts:
Savings and interest checking		2,950,197		17.4			2,912,937		17.4			2,484,668		16.9
Money market accounts		5,750,104		34.0			5,664,780		33.8			5,243,830		35.6
Time accounts of $100,000 or more		532,544		3.2			533,682		3.2			609,166		4.2
Time accounts under $100,000		500,623		3.0			522,887		3.1			546,167		3.7
Total private accounts		9,733,468		57.6			9,634,286		57.5			8,883,831		60.4
Public funds:
Savings and interest checking		208,760		1.2			265,747		1.6			183,752		1.3
Money market accounts		42,488		0.3			44,590		0.3			85,745		0.6
Time accounts of $100,000 or more		136,817		0.8			136,422		0.8			139,221		0.9
Time accounts under $100,000		3,376		—			3,148		—			4,008		—
Total public funds		391,441		2.3			449,907		2.7			412,726		2.8
Total interest-bearing deposits		10,124,909		59.9			10,084,193		60.2			9,296,557		63.2
Total deposits	$	16,909,021		100.0	%	$	16,756,748		100.0	%	$	14,709,559		100.0	%

Additional Information About The Corporation's Deposits

	March 31,		December 31,		March 31,
	2012		2011		2011
Money market deposits obtained through brokers	$	—	$	24,500	$	24,852
Deposits from the Certificate of Deposit Account Registry Service (CDARS) deposits		25,541		45,005		48,005
Deposits from foreign sources (primarily Mexico)		830,685		744,669		759,297