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Deposits (Tables) | 12 Months Ended
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Dec. 31, 2025
Deposit Accounts [Abstract] |
Schedule of Deposit Liabilities, Type | The following table presents the composition of the Company’s deposits as of December 31, 2025 and 2024:
|  | December 31,
($ in thousands) |  | 2025 |  | 2024
Deposits: |  |  |  |
Noninterest-bearing demand |  | $ | 16,697,099 |  |  | $ | 15,450,428 |
Interest-bearing checking |  | 7,989,255 |  |  | 7,940,692 |
Money market |  | 15,439,729 |  |  | 14,816,511 |
Savings: |  |  |  |
Domestic office |  | 1,503,006 |  |  | 1,583,657 |
Foreign office |  | 168,798 |  |  | 167,963 |
Time deposits (1): |  |  |  |
Domestic office |  | 22,694,862 |  |  | 21,128,657 |
Foreign office |  | 2,589,952 |  |  | 2,087,115 |
Total deposits |  | $ | 67,082,701 |  |  | $ | 63,175,023 |
(1)The aggregate amount of time deposits that met or exceeded the deposit insurance limit was $18.3 billion and $16.5 billion as of December 31, 2025 and 2024, respectively.
Schedule of Time Deposit Maturities | The following table presents the scheduled maturities of time deposits for the five years succeeding December 31, 2025:
($ in thousands) |  | Amount
2026 |  | $ | 24,796,653 |
2027 |  | 415,251 |
2028 |  | 68,605 |
2029 |  | 2,908 |
2030 |  | 1,397 |
Total |  | $ | 25,284,814 |

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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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- Definition Tabular disclosure of time deposit liability maturities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 470 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481544/470-10-50-1 + Details
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