Deposits (Tables)

9 Months Ended

Sep. 30, 2018

Banking and Thrift [Abstract]

Schedule of Deposits

Deposits were as follows:

	September 30, 2018		Percentage of Total		December 31, 2017		Percentage of Total
Non-interest-bearing demand deposits:
Commercial and individual	$	10,137,696	38.4	%	$	10,412,882	38.8	%
Correspondent banks	187,589		0.7		222,648		0.8
Public funds	515,228		2.0		561,563		2.1
Total non-interest-bearing demand deposits	10,840,513		41.1		11,197,093		41.7
Interest-bearing deposits:
Private accounts:
Savings and interest checking	6,640,382		25.2		6,788,766		25.2
Money market accounts	7,694,628		29.2		7,624,471		28.4
Time accounts of $100,000 or more	484,236		1.8		453,668		1.7
Time accounts under $100,000	327,790		1.3		324,636		1.2
Total private accounts	15,147,036		57.5		15,191,541		56.5
Public funds:
Savings and interest checking	303,150		1.2		410,140		1.5
Money market accounts	54,537		0.2		59,008		0.2
Time accounts of $100,000 or more	3,523		—		14,301		0.1
Time accounts under $100,000	95		—		306		—
Total public funds	361,305		1.4		483,755		1.8
Total interest-bearing deposits	15,508,341		58.9		15,675,296		58.3
Total deposits	$	26,348,854	100.0	%	$	26,872,389	100.0	%

Additional Information About Corporation's Deposits

The following table presents additional information about our deposits:

	September 30, 2018		December 31, 2017
Deposits from foreign sources (primarily Mexico)	$	739,424	$	716,339
Deposits not covered by deposit insurance	12,403,549		13,281,040