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Deposits (Tables) | 6 Months Ended
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Jun. 30, 2021
Disclosure Text Block [Abstract] |
Deposit Liabilities, Type | Deposits were as follows:
| June 30, 2021 |  | Percentage of Total |  | December 31, 2020 |  | Percentage of Total
Non-interest-bearing demand deposits: |  |  |  |  |
Commercial and individual | $ | 15,455,094 |  |  | 39.9 | % |  | $ | 13,914,754 |  |  | 39.7 | %
Correspondent banks | 192,050 |  |  | 0.5 |  |  | 242,225 |  |  | 0.7 |
Public funds | 812,391 |  |  | 2.1 |  |  | 960,072 |  |  | 2.8 |
Total non-interest-bearing demand deposits | 16,459,535 |  |  | 42.5 |  |  | 15,117,051 |  |  | 43.2 |
Interest-bearing deposits: |  |  |  |  |  |  |
Private accounts: |  |  |  |  |  |  |
Savings and interest checking | 10,728,710 |  |  | 27.7 |  |  | 9,132,789 |  |  | 26.1 |
Money market accounts | 9,739,422 |  |  | 25.1 |  |  | 8,977,585 |  |  | 25.6 |
Time accounts | 1,117,883 |  |  | 2.9 |  |  | 1,135,575 |  |  | 3.3 |
Total private accounts | 21,586,015 |  |  | 55.7 |  |  | 19,245,949 |  |  | 55.0 |
Public funds: |  |  |  |  |  |  |
Savings and interest checking | 611,123 |  |  | 1.6 |  |  | 597,503 |  |  | 1.7 |
Money market accounts | 61,360 |  |  | 0.2 |  |  | 50,070 |  |  | 0.1 |
Time accounts | 16,107 |  |  | — |  |  | 5,188 |  |  | — |
Total public funds | 688,590 |  |  | 1.8 |  |  | 652,761 |  |  | 1.8 |
Total interest-bearing deposits | 22,274,605 |  |  | 57.5 |  |  | 19,898,710 |  |  | 56.8 |
Total deposits | $ | 38,734,140 |  |  | 100.0 | % |  | $ | 35,015,761 |  |  | 100.0 | %
Additional Information About Corporation's Deposits | The following table presents additional information about our deposits:
| June 30, 2021 |  | December 31, 2020
Deposits from the Certificate of Deposit Account Registry Service (CDARS) deposits | $ | — |  |  | $ | 372 |
Deposits from foreign sources (primarily Mexico) | 906,220 |  |  | 884,169 |
Total deposits not covered by deposit insurance | 21,265,105 |  |  | 18,694,320 |
Time deposits not covered by deposit insurance | 250,437 |  |  | 237,298 |

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