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Deposits (Tables) | 3 Months Ended
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Mar. 31, 2016
Banking and Thrift [Abstract] |
Schedule of Deposits | Deposits were as follows:
| March 31, 2016 |  | Percentage of Total |  | December 31, 2015 |  | Percentage of Total
Non-interest-bearing demand deposits: |  |  |  |  |
Commercial and individual | $ | 8,796,847 |  |  | 36.4 | % |  | $ | 9,251,463 |  |  | 38.0 | %
Correspondent banks | 310,417 |  |  | 1.3 |  |  | 378,930 |  |  | 1.6 |
Public funds | 542,669 |  |  | 2.2 |  |  | 639,840 |  |  | 2.6 |
Total non-interest-bearing demand deposits | 9,649,933 |  |  | 39.9 |  |  | 10,270,233 |  |  | 42.2 |
Interest-bearing deposits: |  |  |  |  |  |  |
Private accounts: |  |  |  |  |  |  |
Savings and interest checking | 5,732,748 |  |  | 23.7 |  |  | 5,149,905 |  |  | 21.1 |
Money market accounts | 7,514,572 |  |  | 31.1 |  |  | 7,536,998 |  |  | 31.0 |
Time accounts of $100,000 or more | 415,207 |  |  | 1.7 |  |  | 420,697 |  |  | 1.7 |
Time accounts under $100,000 | 397,091 |  |  | 1.7 |  |  | 405,726 |  |  | 1.7 |
Total private accounts | 14,059,618 |  |  | 58.2 |  |  | 13,513,326 |  |  | 55.5 |
Public funds: |  |  |  |  |  |  |
Savings and interest checking | 304,500 |  |  | 1.3 |  |  | 420,324 |  |  | 1.7 |
Money market accounts | 113,713 |  |  | 0.5 |  |  | 93,969 |  |  | 0.4 |
Time accounts of $100,000 or more | 28,203 |  |  | 0.1 |  |  | 44,941 |  |  | 0.2 |
Time accounts under $100,000 | 1,008 |  |  | — |  |  | 802 |  |  | — |
Total public funds | 447,424 |  |  | 1.9 |  |  | 560,036 |  |  | 2.3 |
Total interest-bearing deposits | 14,507,042 |  |  | 60.1 |  |  | 14,073,362 |  |  | 57.8 |
Total deposits | $ | 24,156,975 |  |  | 100.0 | % |  | $ | 24,343,595 |  |  | 100.0 | %
Additional Information About Corporation's Deposits | The following table presents additional information about our deposits:
| March 31, 2016 |  | December 31, 2015
Deposits from the Certificate of Deposit Account Registry Service (CDARS) | $ | — |  |  | $ | 2,615 |
Deposits from the Promontory Interfinancial Network Insured Cash Sweep Service (acquired in the acquisition of WNB Bancshares, Inc.) | 144 |  |  | 7,440 |
Deposits from foreign sources (primarily Mexico) | 774,351 |  |  | 747,008 |
Deposits not covered by deposit insurance | 12,072,653 |  |  | 11,953,367 |

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