XML 37 R30.htm IDEA: XBRL DOCUMENT
v3.25.3

Securities (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
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 |
| September 30, 2025 |  | December 31, 2024 |
|  |  | 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 | $ | 290,196 |  | $ | 3,391 |  | $ | 1,594 |  | $ | 291,993 |  | $ | 185,827 |  | $ | 349 |  | $ | 3,894 |  | $ | 182,282 |
Municipal obligations |  | 193,771 |  |  | 90 |  |  | 728 |  |  | 193,133 |  |  | 200,272 |  |  | — |  |  | 3,942 |  |  | 196,330 |
Residential mortgage-backed securities |  | 2,578,927 |  |  | 9,188 |  |  | 272,605 |  |  | 2,315,510 |  |  | 2,482,109 |  |  | 496 |  |  | 353,554 |  |  | 2,129,051 |
Commercial mortgage-backed securities |  | 3,093,658 |  |  | 13,912 |  |  | 159,154 |  |  | 2,948,416 |  |  | 2,849,372 |  |  | 2,185 |  |  | 250,592 |  |  | 2,600,965 |
Collateralized mortgage obligations |  | 29,402 |  |  | — |  |  | 1,374 |  |  | 28,028 |  |  | 37,553 |  |  | — |  |  | 2,306 |  |  | 35,247 |
Corporate debt securities |  | 17,500 |  |  | — |  |  | 910 |  |  | 16,590 |  |  | 19,000 |  |  | — |  |  | 1,384 |  |  | 17,616 |
Total | $ | 6,203,454 |  | $ | 26,581 |  | $ | 436,365 |  | $ | 5,793,670 |  | $ | 5,774,133 |  | $ | 3,030 |  | $ | 615,672 |  | $ | 5,161,491 |
Amortized Cost and Fair Value of Debt Securities Held to Maturity |
| September 30, 2025 |  | December 31, 2024 |
|  |  | 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 | $ | 379,390 |  | $ | 230 |  | $ | 32,414 |  | $ | 347,206 |  | $ | 394,689 |  | $ | — |  | $ | 45,876 |  | $ | 348,813 |
Municipal obligations |  | 545,276 |  |  | 619 |  |  | 12,206 |  |  | 533,689 |  |  | 623,907 |  |  | 169 |  |  | 20,867 |  |  | 603,209 |
Residential mortgage-backed securities |  | 516,257 |  |  | — |  |  | 38,581 |  |  | 477,676 |  |  | 573,057 |  |  | — |  |  | 61,525 |  |  | 511,532 |
Commercial mortgage-backed securities |  | 735,969 |  |  | — |  |  | 50,025 |  |  | 685,944 |  |  | 818,604 |  |  | — |  |  | 72,854 |  |  | 745,750 |
Collateralized mortgage obligations |  | 20,719 |  |  | — |  |  | 643 |  |  | 20,076 |  |  | 25,406 |  |  | — |  |  | 1,184 |  |  | 24,222 |
Total | $ | 2,197,611 |  | $ | 849 |  | $ | 133,869 |  | $ | 2,064,591 |  | $ | 2,435,663 |  | $ | 169 |  | $ | 202,306 |  | $ | 2,233,526 |
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 |  | $ | 30,778 |  |  | $ | 30,776 |
Due after one year through five years |  |  | 1,612,998 |  |  |  | 1,576,482 |
Due after five years through ten years |  |  | 1,904,156 |  |  |  | 1,787,534 |
Due after ten years |  |  | 2,655,522 |  |  |  | 2,398,878 |
Total debt securities available for sale |  | $ | 6,203,454 |  |  | $ | 5,793,670 |
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.
|  | September 30, 2025 |
Available for Sale |  | 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 |  | $ | 32,243 |  | $ | 109 |  |  | $ | 14,382 |  | $ | 1,485 |  |  | $ | 46,625 |  | $ | 1,594 |
Municipal obligations |  |  | — |  |  | — |  |  |  | 133,878 |  |  | 728 |  |  |  | 133,878 |  |  | 728 |
Residential mortgage-backed securities |  |  | 37 |  |  | — |  |  |  | 1,515,716 |  |  | 272,605 |  |  |  | 1,515,753 |  |  | 272,605 |
Commercial mortgage-backed securities |  |  | 1,023 |  |  | 6 |  |  |  | 2,265,794 |  |  | 159,148 |  |  |  | 2,266,817 |  |  | 159,154 |
Collateralized mortgage obligations |  |  | — |  |  | — |  |  |  | 28,029 |  |  | 1,374 |  |  |  | 28,029 |  |  | 1,374 |
Corporate debt securities |  |  | 2,000 |  |  | — |  |  |  | 14,590 |  |  | 910 |  |  |  | 16,590 |  |  | 910 |
Total |  | $ | 35,303 |  | $ | 115 |  |  | $ | 3,972,389 |  | $ | 436,250 |  |  | $ | 4,007,692 |  | $ | 436,365 |
|  | December 31, 2024 |
Available for Sale |  | 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 |  | $ | 130,453 |  | $ | 2,243 |  |  | $ | 7,247 |  | $ | 1,651 |  |  | $ | 137,700 |  | $ | 3,894 |
Municipal obligations |  |  | 24,149 |  |  | 247 |  |  |  | 170,110 |  |  | 3,695 |  |  |  | 194,259 |  |  | 3,942 |
Residential mortgage-backed securities |  |  | 347,772 |  |  | 2,935 |  |  |  | 1,554,001 |  |  | 350,619 |  |  |  | 1,901,773 |  |  | 353,554 |
Commercial mortgage-backed securities |  |  | 184,534 |  |  | 2,738 |  |  |  | 2,139,191 |  |  | 247,854 |  |  |  | 2,323,725 |  |  | 250,592 |
Collateralized mortgage obligations |  |  | — |  |  | — |  |  |  | 35,247 |  |  | 2,306 |  |  |  | 35,247 |  |  | 2,306 |
Corporate debt securities |  |  | — |  |  | — |  |  |  | 15,616 |  |  | 1,384 |  |  |  | 15,616 |  |  | 1,384 |
Total |  | $ | 686,908 |  | $ | 8,163 |  |  | $ | 3,921,412 |  | $ | 607,509 |  |  | $ | 4,608,320 |  | $ | 615,672 |
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 |  | $ | 134,954 |  |  | $ | 133,941 |
Due after one year through five years |  |  | 680,676 |  |  |  | 660,373 |
Due after five years through ten years |  |  | 507,188 |  |  |  | 482,174 |
Due after ten years |  |  | 874,793 |  |  |  | 788,103 |
Total debt securities held to maturity |  | $ | 2,197,611 |  |  | $ | 2,064,591 |
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.
|  | September 30, 2025 |
Held to Maturity |  | 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 |  | $ | — |  | $ | — |  |  | $ | 328,482 |  | $ | 32,414 |  |  | $ | 328,482 |  | $ | 32,414 |
Municipal obligations |  |  | 50,829 |  |  | 30 |  |  |  | 360,613 |  |  | 12,176 |  |  |  | 411,442 |  |  | 12,206 |
Residential mortgage-backed securities |  |  | — |  |  | — |  |  |  | 477,676 |  |  | 38,581 |  |  |  | 477,676 |  |  | 38,581 |
Commercial mortgage-backed securities |  |  | — |  |  | — |  |  |  | 685,944 |  |  | 50,025 |  |  |  | 685,944 |  |  | 50,025 |
Collateralized mortgage obligations |  |  | — |  |  | — |  |  |  | 20,076 |  |  | 643 |  |  |  | 20,076 |  |  | 643 |
Total |  | $ | 50,829 |  | $ | 30 |  |  | $ | 1,872,791 |  | $ | 133,839 |  |  | $ | 1,923,620 |  | $ | 133,869 |
|  | December 31, 2024 |
Held to Maturity |  | 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 |  | $ | 27,660 |  | $ | 840 |  |  | $ | 321,154 |  | $ | 45,036 |  |  | $ | 348,814 |  | $ | 45,876 |
Municipal obligations |  |  | 82,028 |  |  | 451 |  |  |  | 497,999 |  |  | 20,416 |  |  |  | 580,027 |  |  | 20,867 |
Residential mortgage-backed securities |  |  | — |  |  | — |  |  |  | 511,531 |  |  | 61,525 |  |  |  | 511,531 |  |  | 61,525 |
Commercial mortgage-backed securities |  |  | — |  |  | — |  |  |  | 745,750 |  |  | 72,854 |  |  |  | 745,750 |  |  | 72,854 |
Collateralized mortgage obligations |  |  | — |  |  | — |  |  |  | 24,222 |  |  | 1,184 |  |  |  | 24,222 |  |  | 1,184 |
Total |  | $ | 109,688 |  | $ | 1,291 |  |  | $ | 2,100,656 |  | $ | 201,015 |  |  | $ | 2,210,344 |  | $ | 202,306 |

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
- 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: |