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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2025
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Credit-Related Commitments | The following table presents the Company’s credit-related commitments as of December 31, 2025 and 2024:
|  | December 31,
|  | 2025 |  | 2024
($ in thousands) |  | Expire in One Year or Less |  | Expire After One Year Through Three Years |  | Expire After Three Years Through Five Years |  | Expire After Five Years |  | Total |  | Total
Loan commitments |  | $ | 4,927,242 |  |  | $ | 3,887,543 |  |  | $ | 716,718 |  |  | $ | 92,460 |  |  | $ | 9,623,963 |  |  | $ | 9,128,040 |
Commercial letters of credit and SBLCs |  | 1,265,040 |  |  | 560,517 |  |  | 153,113 |  |  | 977,620 |  |  | 2,956,290 |  |  | 2,917,029 |
Total |  | $ | 6,192,282 |  |  | $ | 4,448,060 |  |  | $ | 869,831 |  |  | $ | 1,070,080 |  |  | $ | 12,580,253 |  |  | $ | 12,045,069 |
Schedule of Guarantees Outstanding | The following table presents the maximum potential future payments and carrying value of loans sold or securitized with recourse as of December 31, 2025 and 2024:
|  |  |  | Maximum Potential Future Payments |  | Carrying Value (1)
|  |  |  | December 31, |  | December 31,
|  |  |  | 2025 |  | 2024 |  | 2025 |  | 2024
($ in thousands) |  |  |  | Expire After One Year Through Three Years |  | Expire After Three Years Through Five Years |  | Expire After Five Years |  | Total |  | Total |  | Total |  | Total
Single-family residential loans sold or securitized with recourse |  |  |  | $ | 15 |  |  | $ | 323 |  |  | $ | 2,799 |  |  | $ | 3,137 |  |  | $ | 4,375 |  |  | $ | 3,137 |  |  | $ | 4,375 |
Multifamily residential loans sold or securitized with recourse |  |  |  | 124 |  |  | 40 |  |  | 14,832 |  |  | 14,996 |  |  | 14,996 |  |  | 15,895 |  |  | 17,770 |
Total |  |  |  | $ | 139 |  |  | $ | 363 |  |  | $ | 17,631 |  |  | $ | 18,133 |  |  | $ | 19,371 |  |  | $ | 19,032 |  |  | $ | 22,145 |
(1)Represents the unpaid principal balance.

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- Definition Tabular disclosure of outstanding commitments to extend credit that are not reflected in the consolidated financial statements. + References No definition available. + Details
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- Definition Tabular disclosure of each guarantee obligation, or each group of similar guarantee obligations, including (a) the nature of the guarantee, including its term, how it arose, and the events or circumstances that would require the guarantor to perform under the guarantee; (b) the maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee; (c) the current carrying amount of the liability, if any, for the guarantor's obligations under the guarantee; and (d) the nature of any recourse provisions under the guarantee, and any assets held either as collateral or by third parties, and any relevant related party disclosure. Excludes disclosures about product warranties. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-4 + Details
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