Deposits (Tables)

6 Months Ended

Jun. 30, 2017

Banking and Thrift [Abstract]

Schedule of Deposits

Deposits were as follows:

	June 30, 2017		Percentage of Total		December 31, 2016		Percentage of Total
Non-interest-bearing demand deposits:
Commercial and individual	$	10,076,475	39.3	%	$	9,670,989	37.5	%
Correspondent banks	259,686		1.0		280,751		1.1
Public funds	371,204		1.5		561,629		2.2
Total non-interest-bearing demand deposits	10,707,365		41.8		10,513,369		40.8
Interest-bearing deposits:
Private accounts:
Savings and interest checking	6,349,462		24.8		6,436,065		24.9
Money market accounts	7,403,054		28.9		7,486,431		29.0
Time accounts of $100,000 or more	432,406		1.7		460,028		1.8
Time accounts under $100,000	327,228		1.3		338,714		1.3
Total private accounts	14,512,150		56.7		14,721,238		57.0
Public funds:
Savings and interest checking	299,505		1.2		446,872		1.7
Money market accounts	77,361		0.3		113,669		0.4
Time accounts of $100,000 or more	16,426		—		15,748		0.1
Time accounts under $100,000	766		—		679		—
Total public funds	394,058		1.5		576,968		2.2
Total interest-bearing deposits	14,906,208		58.2		15,298,206		59.2
Total deposits	$	25,613,573	100.0	%	$	25,811,575	100.0	%

Additional Information About Corporation's Deposits

The following table presents additional information about our deposits:

	June 30, 2017		December 31, 2016
Deposits from foreign sources (primarily Mexico)	$	728,350	$	776,003
Deposits not covered by deposit insurance	12,708,257		12,889,047