Deposits (Tables)

9 Months Ended

Sep. 30, 2021

Disclosure Text Block [Abstract]

Deposit Liabilities, Type

Deposits were as follows:

	September 30, 2021		Percentage of Total		December 31, 2020		Percentage of Total
Non-interest-bearing demand deposits:
Commercial and individual	$	15,997,472	40.4	%	$	13,914,754	39.7	%
Correspondent banks	223,466		0.6		242,225		0.7
Public funds	930,645		2.3		960,072		2.8
Total non-interest-bearing demand deposits	17,151,583		43.3		15,117,051		43.2
Interest-bearing deposits:
Private accounts:
Savings and interest checking	10,326,315		26.1		9,132,789		26.1
Money market accounts	10,381,703		26.2		8,977,585		25.6
Time accounts	1,086,894		2.7		1,135,575		3.3
Total private accounts	21,794,912		55.0		19,245,949		55.0
Public funds:
Savings and interest checking	580,174		1.5		597,503		1.7
Money market accounts	61,028		0.1		50,070		0.1
Time accounts	25,070		0.1		5,188		—
Total public funds	666,272		1.7		652,761		1.8
Total interest-bearing deposits	22,461,184		56.7		19,898,710		56.8
Total deposits	$	39,612,767	100.0	%	$	35,015,761	100.0	%

Additional Information About Corporation's Deposits

The following table presents additional information about our deposits:

	September 30, 2021		December 31, 2020
Deposits from the Certificate of Deposit Account Registry Service (CDARS) deposits	$	—	$	372
Deposits from foreign sources (primarily Mexico)	1,007,416		884,169
Total deposits not covered by deposit insurance	21,419,285		18,694,320
Time deposits not covered by deposit insurance	239,598		237,298