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Deposits (Tables) | 6 Months Ended
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Jun. 30, 2019
Banking and Thrift [Abstract] |
Schedule of Deposits | Deposits were as follows:
| June 30, 2019 |  | Percentage of Total |  | December 31, 2018 |  | Percentage of Total
Non-interest-bearing demand deposits: |  |  |  |  |
Commercial and individual | $ | 9,634,530 |  |  | 37.1 | % |  | $ | 10,305,850 |  |  | 37.9 | %
Correspondent banks | 192,478 |  |  | 0.7 |  |  | 235,748 |  |  | 0.9 |
Public funds | 309,429 |  |  | 1.2 |  |  | 455,896 |  |  | 1.7 |
Total non-interest-bearing demand deposits | 10,136,437 |  |  | 39.0 |  |  | 10,997,494 |  |  | 40.5 |
Interest-bearing deposits: |  |  |  |  |  |  |
Private accounts: |  |  |  |  |  |  |
Savings and interest checking | 6,754,027 |  |  | 26.0 |  |  | 6,977,813 |  |  | 25.7 |
Money market accounts | 7,544,621 |  |  | 29.0 |  |  | 7,777,470 |  |  | 28.6 |
Time accounts of $100,000 or more | 674,198 |  |  | 2.6 |  |  | 526,789 |  |  | 2.0 |
Time accounts under $100,000 | 344,700 |  |  | 1.3 |  |  | 331,511 |  |  | 1.2 |
Total private accounts | 15,317,546 |  |  | 58.9 |  |  | 15,613,583 |  |  | 57.5 |
Public funds: |  |  |  |  |  |  |
Savings and interest checking | 456,871 |  |  | 1.8 |  |  | 473,754 |  |  | 1.8 |
Money market accounts | 67,620 |  |  | 0.3 |  |  | 59,953 |  |  | 0.2 |
Time accounts of $100,000 or more | 6,524 |  |  | — |  |  | 4,332 |  |  | — |
Time accounts under $100,000 | 25 |  |  | — |  |  | 88 |  |  | — |
Total public funds | 531,040 |  |  | 2.1 |  |  | 538,127 |  |  | 2.0 |
Total interest-bearing deposits | 15,848,586 |  |  | 61.0 |  |  | 16,151,710 |  |  | 59.5 |
Total deposits | $ | 25,985,023 |  |  | 100.0 | % |  | $ | 27,149,204 |  |  | 100.0 | %
Additional Information About Corporation's Deposits | The following table presents additional information about our deposits:
| June 30, 2019 |  | December 31, 2018
Deposits from the Certificate of Deposit Account Registry Service (CDARS) deposits | $ | 356 |  |  | $ | — |
Deposits from foreign sources (primarily Mexico) | 766,942 |  |  | 752,658 |
Deposits not covered by deposit insurance | 11,747,001 |  |  | 13,111,210 |

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