Deposits (Tables)

6 Months Ended

Jun. 30, 2013

Banking And Thrift [Abstract]

Schedule of Deposits

Deposits were as follows:

	June 30,		Percentage			December 31,		Percentage
	2013		of Total			2012		of Total
Non-interest-bearing demand deposits:
Commercial and individual	$	7,057,425		37.0	%	$	7,186,105		36.9	%
Correspondent banks		323,992		1.7			436,381		2.2
Public funds		363,259		1.9			474,451		2.4
Total non-interest-bearing demand deposits		7,744,676		40.6			8,096,937		41.5
Interest-bearing deposits:
Private accounts:
Savings and interest checking		3,495,530		18.3			3,812,712		19.6
Money market accounts		6,438,506		33.8			6,127,256		31.4
Time accounts of $100,000 or more		523,944		2.7			514,346		2.6
Time accounts under $100,000		448,905		2.4			464,641		2.4
Total private accounts		10,906,885		57.2			10,918,955		56.0
Public funds:
Savings and interest checking		233,107		1.2			287,391		1.5
Money market accounts		42,548		0.2			50,600		0.3
Time accounts of $100,000 or more		146,300		0.8			140,191		0.7
Time accounts under $100,000		4,703		—			3,292		—
Total public funds		426,658		2.2			481,474		2.5
Total interest-bearing deposits		11,333,543		59.4			11,400,429		58.5
Total deposits	$	19,078,219		100.0	%	$	19,497,366		100.0	%

Additional Information About Corporation's Deposits

The following table presents additional information about the Corporation’s deposits:

	June 30,		December 31,
	2013		2012
Deposits from the Certificate of Deposit Account Registry Service (CDARS) deposits	$	701	$	2,723
Deposits from foreign sources (primarily Mexico)		766,265		799,504