XML 91 R74.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Loans and Allowance for Credit Losses - Schedule of Activity in Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Balance at Beginning of Period | $ 307,610 | $ 303,671 | $ 107,341
Charge-offs | (71,304) | (68,463) | (27,281)
Recoveries | 9,300 | 12,553 | 11,182
Provision (Release) for Loan Losses | 120,191 | 59,849 | 123,340
Balance at End of Period | 392,522 | 307,610 | 303,671
Allowance Established for Acquired PCD Loans |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Allowance Established for Acquired PCD Loans | 26,725 | 0 | 89,089
Commercial |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Balance at Beginning of Period | 118,333 | 120,612 | 27,232
Charge-offs | (36,172) | (41,451) | (6,885)
Recoveries | 1,623 | 4,172 | 4,610
Provision (Release) for Loan Losses | 47,100 | 35,000 | 56,875
Balance at End of Period | 148,722 | 118,333 | 120,612
Commercial | Allowance Established for Acquired PCD Loans |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Allowance Established for Acquired PCD Loans | 17,838 | 0 | 38,780
Commercial real estate |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Balance at Beginning of Period | 155,099 | 138,244 | 64,004
Charge-offs | (18,565) | (11,198) | (6,519)
Recoveries | 2,713 | 2,417 | 1,095
Provision (Release) for Loan Losses | 53,021 | 25,636 | 30,245
Balance at End of Period | 200,309 | 155,099 | 138,244
Commercial real estate | Allowance Established for Acquired PCD Loans |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Allowance Established for Acquired PCD Loans | 8,041 | 0 | 49,419
BBCC |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Balance at Beginning of Period | 2,887 | 2,431 | 2,458
Charge-offs | (1,801) | (1,650) | (85)
Recoveries | 325 | 275 | 281
Provision (Release) for Loan Losses | 1,402 | 1,831 | (223)
Balance at End of Period | 2,813 | 2,887 | 2,431
BBCC | Allowance Established for Acquired PCD Loans |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Allowance Established for Acquired PCD Loans | 0 | 0 | 0
Residential real estate |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Balance at Beginning of Period | 20,837 | 21,916 | 9,347
Charge-offs | (14) | (256) | (344)
Recoveries | 883 | 1,268 | 760
Provision (Release) for Loan Losses | 1,082 | (2,091) | 12,017
Balance at End of Period | 22,922 | 20,837 | 21,916
Residential real estate | Allowance Established for Acquired PCD Loans |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Allowance Established for Acquired PCD Loans | 134 | 0 | 136
Indirect |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Balance at Beginning of Period | 1,236 | 1,532 | 1,743
Charge-offs | (5,610) | (2,948) | (2,525)
Recoveries | 1,274 | 1,559 | 1,263
Provision (Release) for Loan Losses | 11,534 | 1,093 | 1,051
Balance at End of Period | 8,434 | 1,236 | 1,532
Indirect | Allowance Established for Acquired PCD Loans |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Allowance Established for Acquired PCD Loans | 0 | 0 | 0
Direct |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Balance at Beginning of Period | 3,169 | 12,116 | 528
Charge-offs | (8,672) | (10,517) | (10,799)
Recoveries | 2,152 | 2,331 | 2,557
Provision (Release) for Loan Losses | 5,596 | (761) | 19,799
Balance at End of Period | 2,304 | 3,169 | 12,116
Direct | Allowance Established for Acquired PCD Loans |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Allowance Established for Acquired PCD Loans | 59 | 0 | 31
Home equity |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Balance at Beginning of Period | 6,049 | 6,820 | 2,029
Charge-offs | (470) | (443) | (124)
Recoveries | 330 | 531 | 616
Provision (Release) for Loan Losses | 456 | (859) | 3,576
Balance at End of Period | 7,018 | 6,049 | 6,820
Home equity | Allowance Established for Acquired PCD Loans |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Allowance Established for Acquired PCD Loans | $ 653 | $ 0 | $ 723

X
- Definition Financing Receivable, Credit Loss, Expense (Reversal), Excluding Held-to-Maturity Securities + References No definition available. + Details
Name: | onb_FinancingReceivableCreditLossExpenseReversalExcludingHeldToMaturitySecurities
Namespace Prefix: | onb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(11)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 + Details
Name: | us-gaap_ProvisionForLoanLeaseAndOtherLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_CumulativeEffectPeriodOfAdoptionAxis=srt_CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=onb_BusinessBankingCreditCenterPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=onb_IndirectPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=onb_DirectPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=onb_HomeEquityPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |