Deposits (Tables)

9 Months Ended

Sep. 30, 2020

Disclosure Text Block [Abstract]

Deposit Liabilities, Type

Deposits were as follows:

	September 30, 2020		Percentage of Total		December 31, 2019		Percentage of Total
Non-interest-bearing demand deposits:
Commercial and individual	$	13,852,404	41.4	%	$	10,212,265	36.9	%
Correspondent banks	208,836		0.6		246,181		0.9
Public funds	784,530		2.3		415,183		1.5
Total non-interest-bearing demand deposits	14,845,770		44.3		10,873,629		39.3
Interest-bearing deposits:
Private accounts:
Savings and interest checking	8,176,608		24.4		7,147,327		25.9
Money market accounts	8,684,470		25.9		7,888,433		28.5
Time accounts of $100,000 or more	791,004		2.4		736,481		2.7
Time accounts under $100,000	339,174		1.0		347,418		1.2
Total private accounts	17,991,256		53.7		16,119,659		58.3
Public funds:
Savings and interest checking	583,214		1.8		548,399		2.0
Money market accounts	76,088		0.2		73,180		0.3
Time accounts of $100,000 or more	3,092		—		24,672		0.1
Time accounts under $100,000	83		—		25		—
Total public funds	662,477		2.0		646,276		2.4
Total interest-bearing deposits	18,653,733		55.7		16,765,935		60.7
Total deposits	$	33,499,503	100.0	%	$	27,639,564	100.0	%

Additional Information About Corporation's Deposits

The following table presents additional information about our deposits:

	September 30, 2020		December 31, 2019
Deposits from the Certificate of Deposit Account Registry Service (CDARS) deposits	$	369	$	361
Deposits from foreign sources (primarily Mexico)	845,950		805,828
Deposits not covered by deposit insurance	17,265,358		13,115,796