Deposits (Tables)

6 Months Ended

Jun. 30, 2018

Banking and Thrift [Abstract]

Schedule of Deposits

Deposits were as follows:

	June 30, 2018		Percentage of Total		December 31, 2017		Percentage of Total
Non-interest-bearing demand deposits:
Commercial and individual	$	9,976,325	38.4	%	$	10,412,882	38.8	%
Correspondent banks	198,314		0.8		222,648		0.8
Public funds	351,359		1.3		561,563		2.1
Total non-interest-bearing demand deposits	10,525,998		40.5		11,197,093		41.7
Interest-bearing deposits:
Private accounts:
Savings and interest checking	6,692,025		25.7		6,788,766		25.2
Money market accounts	7,609,681		29.3		7,624,471		28.4
Time accounts of $100,000 or more	464,134		1.8		453,668		1.7
Time accounts under $100,000	324,195		1.2		324,636		1.2
Total private accounts	15,090,035		58.0		15,191,541		56.5
Public funds:
Savings and interest checking	301,225		1.2		410,140		1.5
Money market accounts	65,002		0.2		59,008		0.2
Time accounts of $100,000 or more	13,649		0.1		14,301		0.1
Time accounts under $100,000	590		—		306		—
Total public funds	380,466		1.5		483,755		1.8
Total interest-bearing deposits	15,470,501		59.5		15,675,296		58.3
Total deposits	$	25,996,499	100.0	%	$	26,872,389	100.0	%

Additional Information About Corporation's Deposits

The following table presents additional information about our deposits:

	June 30, 2018		December 31, 2017
Deposits from foreign sources (primarily Mexico)	$	739,213	$	716,339
Deposits not covered by deposit insurance	12,198,682		13,281,040