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v3.25.2

Deposits (Tables) | 6 Months Ended
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Jun. 30, 2025
Disclosure Text Block [Abstract] |
Deposit Liabilities, Type | Deposits were as follows:
| June 30, 2025 |  | December 31, 2024
Non-interest-bearing demand deposits | $ | 13,745,461 |  |  | $ | 14,441,820 |
Interest-bearing deposits: |  |  |
Savings and interest checking | 9,809,183 |  |  | 10,310,942 |
Money market accounts | 11,487,027 |  |  | 11,568,254 |
Time accounts | 6,641,943 |  |  | 6,401,732 |
Total interest-bearing deposits | 27,938,153 |  |  | 28,280,928 |
Total deposits | $ | 41,683,614 |  |  | $ | 42,722,748 |
Additional Information About Corporation's Deposits | The table below presents additional information about our deposits. Public funds in excess of deposit insurance limits are included in the totals for deposits not covered by insurance; however, such deposits are generally fully collateralized by securities.
| June 30, 2025 |  | December 31, 2024
Deposits from foreign sources (primarily Mexico) | $ | 1,253,790 |  |  | $ | 1,219,463 |
Non-interest-bearing public funds deposits | 481,175 |  |  | 759,819 |
Interest-bearing public funds deposits | 566,995 |  |  | 625,104 |
Total deposits not covered by deposit insurance | 21,428,987 |  |  | 22,972,618 |
Time deposits not covered by deposit insurance | 2,903,249 |  |  | 2,744,112 |

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- Definition Tabular disclosure of type of deposit liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph e -Publisher SEC Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph d -Publisher SEC Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph c -Publisher SEC Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph a -Subparagraph (5) -Publisher SEC Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph a -Subparagraph (4) -Publisher SEC Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph a -Subparagraph (3) -Publisher SEC Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph a -Subparagraph (2) -Publisher SEC Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph a -Subparagraph (1) -Publisher SEC Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph a -Publisher SEC Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph f -Subparagraph (1) -Publisher SEC Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph f -Subparagraph (2) -Publisher SEC Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph f -Subparagraph (2)(i) -Publisher SEC Reference 13: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph f -Subparagraph (2)(iv) -Publisher SEC Reference 14: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph f -Subparagraph (2)(iii) -Publisher SEC Reference 15: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph f -Subparagraph (2)(ii) -Publisher SEC + Details
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