XML 35 R28.htm IDEA: XBRL DOCUMENT
v3.26.1

Securities (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2026
Schedule Of Gain Loss On Investments Including Marketable Securities And Investments Held At Cost Income Statement Reported Amounts Summary [Line Items] |
Amortized Cost and Fair Value of Debt Securities Available for Sale |
| March 31, 2026 |  | December 31, 2025 |
|  |  | Gross |  | Gross |  |  |  |  |  | Gross |  | Gross |  |  |
Securities Available for Sale | Amortized |  | Unrealized |  | Unrealized |  | Fair |  | Amortized |  | Unrealized |  | Unrealized |  | Fair |
($ in thousands) | Cost |  | Gains |  | Losses |  | Value |  | Cost |  | Gains |  | Losses |  | Value |
U.S. Treasury and government agency securities | $ | 279,080 |  | $ | 4,562 |  | $ | 1,175 |  | $ | 282,467 |  | $ | 266,825 |  | $ | 3,705 |  | $ | 1,198 |  | $ | 269,332 |
Municipal obligations |  | 180,786 |  |  | 49 |  |  | 692 |  |  | 180,143 |  |  | 191,754 |  |  | 82 |  |  | 508 |  |  | 191,328 |
Residential mortgage-backed securities |  | 2,567,467 |  |  | 6,254 |  |  | 240,316 |  |  | 2,333,405 |  |  | 2,620,980 |  |  | 11,643 |  |  | 256,994 |  |  | 2,375,629 |
Commercial mortgage-backed securities |  | 3,218,115 |  |  | 6,457 |  |  | 84,252 |  |  | 3,140,320 |  |  | 3,217,663 |  |  | 10,530 |  |  | 144,868 |  |  | 3,083,325 |
Collateralized mortgage obligations |  | 24,998 |  |  | — |  |  | 1,184 |  |  | 23,814 |  |  | 27,100 |  |  | — |  |  | 1,154 |  |  | 25,946 |
Corporate debt securities |  | 17,000 |  |  | — |  |  | 763 |  |  | 16,237 |  |  | 17,000 |  |  | 37 |  |  | 680 |  |  | 16,357 |
Total | $ | 6,287,446 |  | $ | 17,322 |  | $ | 328,382 |  | $ | 5,976,386 |  | $ | 6,341,322 |  | $ | 25,997 |  | $ | 405,402 |  | $ | 5,961,917 |
Amortized Cost and Fair Value of Debt Securities Held to Maturity |
| March 31, 2026 |  | December 31, 2025 |
|  |  | Gross |  | Gross |  |  |  |  |  | Gross |  | Gross |  |  |
Securities Held to Maturity | Amortized |  | Unrealized |  | Unrealized |  | Fair |  | Amortized |  | Unrealized |  | Unrealized |  | Fair |
($ in thousands) | Cost |  | Gains |  | Losses |  | Value |  | Cost |  | Gains |  | Losses |  | Value |
U.S. Treasury and government agency securities | $ | 368,667 |  | $ | 271 |  | $ | 29,171 |  | $ | 339,767 |  | $ | 373,605 |  | $ | 248 |  | $ | 30,143 |  | $ | 343,710 |
Municipal obligations |  | 457,346 |  |  | 370 |  |  | 11,556 |  |  | 446,160 |  |  | 511,516 |  |  | 708 |  |  | 11,455 |  |  | 500,769 |
Residential mortgage-backed securities |  | 480,249 |  |  | — |  |  | 35,764 |  |  | 444,485 |  |  | 497,338 |  |  | — |  |  | 34,239 |  |  | 463,099 |
Commercial mortgage-backed securities |  | 728,004 |  |  | — |  |  | 48,510 |  |  | 679,494 |  |  | 731,329 |  |  | — |  |  | 46,455 |  |  | 684,874 |
Collateralized mortgage obligations |  | 17,362 |  |  | — |  |  | 539 |  |  | 16,823 |  |  | 19,094 |  |  | — |  |  | 520 |  |  | 18,574 |
Total | $ | 2,051,628 |  | $ | 641 |  | $ | 125,540 |  | $ | 1,926,729 |  | $ | 2,132,882 |  | $ | 956 |  | $ | 122,812 |  | $ | 2,011,026 |
Proceeds from, Gross Gains on, and Gross Losses on Sales of Securities | The following table presents the proceeds from, gross gains on, and gross losses on sales of securities during the three months ended March 31, 2026 and 2025. Net gains or losses are reflected in the "Securities transactions, net" line item on the Consolidated Statements of Income.
|  | Three Months Ended March 31, |
($ in thousands) |  | 2026 |  |  | 2025 |
Proceeds |  | $ | 1,414,258 |  |  | $ | — |
Gross gains |  |  | 7 |  |  |  | — |
Gross losses |  |  | 98,602 |  |  |  | — |
Net loss |  | $ | (98,595 | ) |  | $ | — |
Available for Sale Securities [Member] |
Schedule Of Gain Loss On Investments Including Marketable Securities And Investments Held At Cost Income Statement Reported Amounts Summary [Line Items] |
Amortized Cost and Fair Value of Debt Securities by Contractual Maturity |
Debt Securities Available for Sale |  | Amortized |  |  | Fair |
($ in thousands) |  | Cost |  |  | Value |
Due in one year or less |  | $ | 35,304 |  |  | $ | 35,323 |
Due after one year through five years |  |  | 1,382,114 |  |  |  | 1,360,911 |
Due after five years through ten years |  |  | 2,091,263 |  |  |  | 2,020,407 |
Due after ten years |  |  | 2,778,765 |  |  |  | 2,559,745 |
Total |  | $ | 6,287,446 |  |  | $ | 5,976,386 |
Securities with Unrealized Losses | The fair value and gross unrealized losses for securities classified as available for sale with unrealized losses for the periods indicated follow.
Available for Sale |  |  |  |  |  |  |  |  |  |  |  |  |
March 31, 2026 |  | Losses < 12 months |  |  | Losses 12 months or > |  |  | Total |
($ in thousands) |  | Fair Value |  | Gross Unrealized Losses |  |  | Fair Value |  | Gross Unrealized Losses |  |  | Fair Value |  | Gross Unrealized Losses |
U.S. Treasury and government agency securities |  | $ | 11,910 |  | $ | 101 |  |  | $ | 6,708 |  | $ | 1,074 |  |  | $ | 18,618 |  | $ | 1,175 |
Municipal obligations |  |  | 47,068 |  |  | 400 |  |  |  | 95,944 |  |  | 292 |  |  |  | 143,012 |  |  | 692 |
Residential mortgage-backed securities |  |  | 395,000 |  |  | 3,778 |  |  |  | 1,283,981 |  |  | 236,538 |  |  |  | 1,678,981 |  |  | 240,316 |
Commercial mortgage-backed securities |  |  | 1,758,136 |  |  | 19,383 |  |  |  | 829,335 |  |  | 64,869 |  |  |  | 2,587,471 |  |  | 84,252 |
Collateralized mortgage obligations |  |  | — |  |  | — |  |  |  | 23,814 |  |  | 1,184 |  |  |  | 23,814 |  |  | 1,184 |
Corporate debt securities |  |  | 2,989 |  |  | 11 |  |  |  | 13,248 |  |  | 752 |  |  |  | 16,237 |  |  | 763 |
Total |  | $ | 2,215,103 |  | $ | 23,673 |  |  | $ | 2,253,030 |  | $ | 304,709 |  |  | $ | 4,468,133 |  | $ | 328,382 |
Available for Sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
December 31, 2025 |  | Losses < 12 Months |  |  | Losses 12 Months or > |  |  | Total |
($ in thousands) |  | Fair Value |  | Gross Unrealized Losses |  |  | Fair Value |  | Gross Unrealized Losses |  |  | Fair Value |  | Gross Unrealized Losses |
U.S. Treasury and government agency securities |  | $ | 17,468 |  | $ | 9 |  |  | $ | 14,677 |  | $ | 1,189 |  |  | $ | 32,145 |  | $ | 1,198 |
Municipal obligations |  |  | — |  |  | — |  |  |  | 124,852 |  |  | 508 |  |  |  | 124,852 |  |  | 508 |
Residential mortgage-backed securities |  |  | 54,250 |  |  | 598 |  |  |  | 1,442,746 |  |  | 256,396 |  |  |  | 1,496,996 |  |  | 256,994 |
Commercial mortgage-backed securities |  |  | 374,740 |  |  | 1,787 |  |  |  | 2,158,865 |  |  | 143,081 |  |  |  | 2,533,605 |  |  | 144,868 |
Collateralized mortgage obligations |  |  | — |  |  | — |  |  |  | 25,946 |  |  | 1,154 |  |  |  | 25,946 |  |  | 1,154 |
Corporate debt securities |  |  | 1,998 |  |  | 2 |  |  |  | 11,322 |  |  | 678 |  |  |  | 13,320 |  |  | 680 |
Total |  | $ | 448,456 |  | $ | 2,396 |  |  | $ | 3,778,408 |  | $ | 403,006 |  |  | $ | 4,226,864 |  | $ | 405,402 |
Held-to-maturity Securities [Member] |
Schedule Of Gain Loss On Investments Including Marketable Securities And Investments Held At Cost Income Statement Reported Amounts Summary [Line Items] |
Amortized Cost and Fair Value of Debt Securities by Contractual Maturity |
Debt Securities Held to Maturity |  | Amortized |  |  | Fair |
($ in thousands) |  | Cost |  |  | Value |
Due in one year or less |  | $ | 139,208 |  |  | $ | 138,554 |
Due after one year through five years |  |  | 701,252 |  |  |  | 678,711 |
Due after five years through ten years |  |  | 419,862 |  |  |  | 397,573 |
Due after ten years |  |  | 791,306 |  |  |  | 711,891 |
Total |  | $ | 2,051,628 |  |  | $ | 1,926,729 |
Securities with Unrealized Losses | The fair value and gross unrealized losses for securities classified as held to maturity with unrealized losses for the periods indicated follow.
Held to Maturity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
March 31, 2026 |  | Losses < 12 Months |  |  | Losses 12 Months or > |  |  | Total |
($ in thousands) |  | Fair Value |  | Gross Unrealized Losses |  |  | Fair Value |  | Gross Unrealized Losses |  |  | Fair Value |  | Gross Unrealized Losses |
U.S. Treasury and government agency securities |  | $ | 8,563 |  | $ | 24 |  |  | $ | 313,146 |  | $ | 29,147 |  |  | $ | 321,709 |  | $ | 29,171 |
Municipal obligations |  |  | 101,661 |  |  | 305 |  |  |  | 171,360 |  |  | 11,251 |  |  |  | 273,021 |  |  | 11,556 |
Residential mortgage-backed securities |  |  | — |  |  | — |  |  |  | 444,485 |  |  | 35,764 |  |  |  | 444,485 |  |  | 35,764 |
Commercial mortgage-backed securities |  |  | — |  |  | — |  |  |  | 679,494 |  |  | 48,510 |  |  |  | 679,494 |  |  | 48,510 |
Collateralized mortgage obligations |  |  | — |  |  | — |  |  |  | 16,823 |  |  | 539 |  |  |  | 16,823 |  |  | 539 |
Total |  | $ | 110,224 |  | $ | 329 |  |  | $ | 1,625,308 |  | $ | 125,211 |  |  | $ | 1,735,532 |  | $ | 125,540 |
Held to Maturity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
December 31, 2025 |  | Losses < 12 Months |  |  | Losses 12 Months or > |  |  | Total |
($ in thousands) |  | Fair Value |  | Gross Unrealized Losses |  |  | Fair Value |  | Gross Unrealized Losses |  |  | Fair Value |  | Gross Unrealized Losses |
U.S. Treasury and government agency securities |  | $ | — |  | $ | — |  |  | $ | 316,814 |  | $ | 30,143 |  |  | $ | 316,814 |  | $ | 30,143 |
Municipal obligations |  |  | 98,559 |  |  | 97 |  |  |  | 325,241 |  |  | 11,358 |  |  |  | 423,800 |  |  | 11,455 |
Residential mortgage-backed securities |  |  | — |  |  | — |  |  |  | 463,099 |  |  | 34,239 |  |  |  | 463,099 |  |  | 34,239 |
Commercial mortgage-backed securities |  |  | — |  |  | — |  |  |  | 684,874 |  |  | 46,455 |  |  |  | 684,874 |  |  | 46,455 |
Collateralized mortgage obligations |  |  | — |  |  | — |  |  |  | 18,574 |  |  | 520 |  |  |  | 18,574 |  |  | 520 |
Total |  | $ | 98,559 |  | $ | 97 |  |  | $ | 1,808,602 |  | $ | 122,715 |  |  | $ | 1,907,161 |  | $ | 122,812 |

X
- Definition Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479081/326-30-55-8 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-6 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-4 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information about investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5B Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (aaa) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5A Reference 13: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5A Reference 14: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5A -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5A Reference 15: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5B Reference 16: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5B Reference 17: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5B Reference 18: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5B + Details
Name: | us-gaap_HeldToMaturitySecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
Name: | us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(9)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(7)(c)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-9 + Details
Name: | us-gaap_ScheduleOfGainLossOnInvestmentsIncludingMarketableSecuritiesAndInvestmentsHeldAtCostIncomeStatementReportedAmountsSummaryLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the proceeds from sales of available-for-sale securities and the gross realized gains and gross realized losses that have been included in earnings as a result of those sales. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-9 + Details
Name: | us-gaap_ScheduleOfRealizedGainLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_InformationByCategoryOfDebtSecurityAxis=us-gaap_AvailableforsaleSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InformationByCategoryOfDebtSecurityAxis=us-gaap_HeldtomaturitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |