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v3.25.3

Fair Value - Assets and liabilities measured at fair value on a recurring basis (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Assets |  |
Derivative financial instruments | $ 225,200 | $ 160,300
Trading securities | 107,519 | 102,932
Securities available for sale | 6,042,800 | 4,320,593
Liabilities |  |
Derivative financial instruments | 560,400 | 878,000
U.S. Treasuries |  |
Assets |  |
Securities available for sale |  | 10,656
U.S. Government agencies |  |
Assets |  |
Trading securities | 16,480 | 15,002
Securities available for sale |  | 150,418
Residential mortgage-backed securities issued by U.S. government agencies or sponsored enterprises |  |
Assets |  |
Trading securities | 5,753 | 14,803
Securities available for sale | 1,550,365 | 1,377,525
Commercial mortgage-backed securities issued by U.S. government agencies or sponsored enterprises |  |
Assets |  |
Trading securities | 15,222 | 14,419
Securities available for sale | 675,612 | 1,040,555
State and municipal obligations |  |
Assets |  |
Trading securities | 37,195 | 35,896
Securities available for sale | 961,112 | 945,723
Small Business Administration loan-backed securities |  |
Assets |  |
Trading securities | 27,285 | 22,571
Securities available for sale | 591,560 | 310,112
Corporate securities |  |
Assets |  |
Securities available for sale | 26,977 | 26,509
Significant Other Observable Inputs (Level 2) |  |
Assets |  |
Mortgage loans held for sale | 349,462 | 281,662
Trading securities | 107,519 | 102,932
Significant Unobservable Inputs (Level 3) |  |
Assets |  |
Mortgage servicing rights | 84,491 | 89,795
SBA servicing asset | 5,659 | 6,028
Changes in fair value of assets |  |
Changes in hierarchy classifications of Level 3 assets | 0 |
Changes in hierarchy classifications of Level 3 liabilities | 0 |
Recurring basis |  |
Assets |  |
Derivative financial instruments | 226,359 | 161,490
Mortgage loans held for sale | 68,365 | 98,115
Trading securities | 107,519 | 102,932
Securities available for sale | 6,042,800 | 4,320,593
Mortgage servicing rights | 84,491 | 89,795
SBA servicing asset | 5,659 | 6,028
Fair value of Assets, Total | 6,535,193 | 4,778,953
Liabilities |  |
Derivative financial instruments | 561,708 | 879,855
Recurring basis | U.S. Treasuries |  |
Assets |  |
Securities available for sale |  | 10,656
Recurring basis | U.S. Government agencies |  |
Assets |  |
Securities available for sale |  | 150,418
Recurring basis | Residential mortgage-backed securities issued by U.S. government agencies or sponsored enterprises |  |
Assets |  |
Securities available for sale | 1,550,365 | 1,377,525
Recurring basis | Residential Collateralized Mortgage-Obligations Issued By U.S. Government Agencies Or Sponsored Enterprises |  |
Assets |  |
Securities available for sale | 2,237,174 | 459,095
Recurring basis | Commercial mortgage-backed securities issued by U.S. government agencies or sponsored enterprises |  |
Assets |  |
Securities available for sale | 675,612 | 1,040,555
Recurring basis | State and municipal obligations |  |
Assets |  |
Securities available for sale | 961,112 | 945,723
Recurring basis | Small Business Administration loan-backed securities |  |
Assets |  |
Securities available for sale | 591,560 | 310,112
Recurring basis | Corporate securities |  |
Assets |  |
Securities available for sale | 26,977 | 26,509
Recurring basis | Significant Other Observable Inputs (Level 2) |  |
Assets |  |
Derivative financial instruments | 226,359 | 161,490
Mortgage loans held for sale | 68,365 | 98,115
Trading securities | 107,519 | 102,932
Securities available for sale | 6,042,800 | 4,320,593
Fair value of Assets, Total | 6,445,043 | 4,683,130
Liabilities |  |
Derivative financial instruments | 561,708 | 879,855
Recurring basis | Significant Other Observable Inputs (Level 2) | U.S. Treasuries |  |
Assets |  |
Securities available for sale |  | 10,656
Recurring basis | Significant Other Observable Inputs (Level 2) | U.S. Government agencies |  |
Assets |  |
Securities available for sale |  | 150,418
Recurring basis | Significant Other Observable Inputs (Level 2) | Residential mortgage-backed securities issued by U.S. government agencies or sponsored enterprises |  |
Assets |  |
Securities available for sale | 1,550,365 | 1,377,525
Recurring basis | Significant Other Observable Inputs (Level 2) | Residential Collateralized Mortgage-Obligations Issued By U.S. Government Agencies Or Sponsored Enterprises |  |
Assets |  |
Securities available for sale | 2,237,174 | 459,095
Recurring basis | Significant Other Observable Inputs (Level 2) | Commercial mortgage-backed securities issued by U.S. government agencies or sponsored enterprises |  |
Assets |  |
Securities available for sale | 675,612 | 1,040,555
Recurring basis | Significant Other Observable Inputs (Level 2) | State and municipal obligations |  |
Assets |  |
Securities available for sale | 961,112 | 945,723
Recurring basis | Significant Other Observable Inputs (Level 2) | Small Business Administration loan-backed securities |  |
Assets |  |
Securities available for sale | 591,560 | 310,112
Recurring basis | Significant Other Observable Inputs (Level 2) | Corporate securities |  |
Assets |  |
Securities available for sale | 26,977 | 26,509
Recurring basis | Significant Unobservable Inputs (Level 3) |  |
Assets |  |
Mortgage servicing rights | 84,491 | 89,795
SBA servicing asset | 5,659 | 6,028
Fair value of Assets, Total | 90,150 | $ 95,823
Changes in fair value of assets |  |
Unrealized losses included in accumulated other comprehensive (loss) income related to Level 3 financial assets and liabilities | 0 |
Recurring basis | Significant Unobservable Inputs (Level 3) | Mortgage Servicing Rights |  |
Changes in fair value of assets |  |
Fair value of assets at the beginning of the period | 89,795 |
Servicing assets that resulted from transfers of financial assets | 5,912 |
Changes in fair value due to valuation inputs or assumptions | $ (5,182) |
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Revenue from Contract with Customer, Excluding Assessed Tax |
Changes in fair value due to decay | $ (6,034) |
Fair value of assets at the end of the period | 84,491 |
Recurring basis | Significant Unobservable Inputs (Level 3) | SBA servicing asset |  |
Changes in fair value of assets |  |
Fair value of assets at the beginning of the period | 6,028 |
Servicing assets that resulted from transfers of financial assets | 1,088 |
Changes in fair value due to valuation inputs or assumptions | $ 89 |
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Revenue from Contract with Customer, Excluding Assessed Tax |
Changes in fair value due to decay | $ (1,546) |
Fair value of assets at the end of the period | $ 5,659 |

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- Definition The element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, the element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. The item represents residential mortgage servicing rights as presented on the statement of financial position which are due to the entity as of the balance sheet date. + References No definition available. + Details
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- Definition Fair value portion of asset recognized for present right to economic benefit. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479130/326-30-45-1 + Details
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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 101 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-101 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 102 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-102 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 101 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-101 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 101 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-101 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 101 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-101 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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