XML 153 R136.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Regulatory Restrictions - Schedule of Capital Ratios (Details) $ in Thousands | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
--- | --- | ---
Old National Bancorp |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Total capital to risk-weighted assets actual, amount | $ 5,388,882 | $ 4,727,216
Common equity Tier 1 capital to risk-weighted assets actual, amount | 4,587,674 | 4,003,694
Tier 1 capital to risk-weighted assets actual, amount | 4,831,393 | 4,247,413
Tier 1 capital to average assets actual, amount | $ 4,831,393 | $ 4,247,413
Total capital to risk-weighted assets actual, ratio | 0.1337 | 0.1264
Common equity Tier 1 capital to risk-weighted assets actual, ratio | 11.38% | 10.70%
Tier 1 capital to risk-weighted assets actual, ratio | 0.1198 | 0.1135
Tier 1 capital to average assets actual, ratio | 0.0921 | 0.0883
Total capital to risk-weighted assets fully phased-in regulatory guidelines minimum, amount | $ 4,233,054 | $ 3,927,771
Common equity Tier 1 capital to risk-weighted assets fully phased-in regulatory guidelines minimum, amount | 2,822,036 | 2,618,514
Tier 1 capital to risk-weighted assets fully phased-in regulatory guidelines minimum, amount | 3,426,758 | 3,179,625
Tier 1 capital to average assets fully phased-in regulatory guidelines minimum, amount | $ 2,097,820 | $ 1,923,360
Total capital to risk-weighted assets fully phased-in regulatory guidelines minimum, ratio | 0.1050 | 0.1050
Common equity Tier 1 capital to risk-weighted assets fully phased-in regulatory guidelines minimum, ratio | 7.00% | 7.00%
Tier 1 capital to risk-weighted assets fully phased-in regulatory guidelines minimum, ratio | 0.0850 | 0.0850
Tier 1 capital to average assets fully phased-in regulatory guidelines minimum, ratio | 0.0400 | 0.0400
Total capital to risk-weighted assets well capitalized guidelines, amount | $ 4,031,480 | $ 3,740,735
Tier 1 capital to risk-weighted assets well capitalized guidelines, amount | $ 2,418,888 | $ 2,244,441
Total capital to risk-weighted assets well capitalized guidelines, ratio | 0.1000 | 0.1000
Tier 1 capital to risk-weighted assets well capitalized guidelines, ratio | 0.0600 | 0.0600
Old National Bank |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Total capital to risk-weighted assets actual, amount | $ 5,103,487 | $ 4,591,734
Common equity Tier 1 capital to risk-weighted assets actual, amount | 4,742,641 | 4,308,574
Tier 1 capital to risk-weighted assets actual, amount | 4,742,641 | 4,308,574
Tier 1 capital to average assets actual, amount | $ 4,742,641 | $ 4,308,574
Total capital to risk-weighted assets actual, ratio | 0.1272 | 0.1233
Common equity Tier 1 capital to risk-weighted assets actual, ratio | 11.82% | 11.57%
Tier 1 capital to risk-weighted assets actual, ratio | 0.1182 | 0.1157
Tier 1 capital to average assets actual, ratio | 0.0907 | 0.0899
Total capital to risk-weighted assets fully phased-in regulatory guidelines minimum, amount | $ 4,214,255 | $ 3,911,089
Common equity Tier 1 capital to risk-weighted assets fully phased-in regulatory guidelines minimum, amount | 2,809,504 | 2,607,393
Tier 1 capital to risk-weighted assets fully phased-in regulatory guidelines minimum, amount | 3,411,540 | 3,166,120
Tier 1 capital to average assets fully phased-in regulatory guidelines minimum, amount | $ 2,090,427 | $ 1,916,002
Total capital to risk-weighted assets fully phased-in regulatory guidelines minimum, ratio | 0.1050 | 0.1050
Common equity Tier 1 capital to risk-weighted assets fully phased-in regulatory guidelines minimum, ratio | 7.00% | 7.00%
Tier 1 capital to risk-weighted assets fully phased-in regulatory guidelines minimum, ratio | 0.0850 | 0.0850
Tier 1 capital to average assets fully phased-in regulatory guidelines minimum, ratio | 0.0400 | 0.0400
Total capital to risk-weighted assets well capitalized guidelines, amount | $ 4,013,577 | $ 3,724,847
Common equity Tier 1 capital to risk-weighted assets well capitalized guidelines, amount | 2,608,825 | 2,421,150
Tier 1 capital to risk-weighted assets well capitalized guidelines, amount | 3,210,861 | 2,979,878
Tier 1 capital to average assets well capitalized guidelines, amount | $ 2,613,033 | $ 2,395,003
Total capital to risk-weighted assets well capitalized guidelines, ratio | 0.1000 | 0.1000
Common equity Tier 1 capital to risk-weighted assets well capitalized guidelines, ratio | 6.50% | 6.50%
Tier 1 capital to risk-weighted assets well capitalized guidelines, ratio | 0.0800 | 0.0800
Tier 1 capital to average assets well capitalized guidelines, ratio | 0.0500 | 0.0500

X
- Definition Common equity tier one capital to risk weighted assets. + References No definition available. + Details
Name: | onb_CommonEquityTierOneCapitalToRiskWeightedAssets
Namespace Prefix: | onb_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Common equity tier one capital to risk weighted assets actual amount. + References No definition available. + Details
Name: | onb_CommonEquityTierOneCapitalToRiskWeightedAssetsActualAmount
Namespace Prefix: | onb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Common equity tier one capital to risk weighted assets fully phased in regulatory guidelines minimum amount. + References No definition available. + Details
Name: | onb_CommonEquityTierOneCapitalToRiskWeightedAssetsFullyPhasedInRegulatoryGuidelinesMinimumAmount
Namespace Prefix: | onb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Common equity tier one capital to risk weighted assets fully phased in regulatory guidelines minimum ratio. + References No definition available. + Details
Name: | onb_CommonEquityTierOneCapitalToRiskWeightedAssetsFullyPhasedInRegulatoryGuidelinesMinimumRatio
Namespace Prefix: | onb_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Common equity tier one capital to risk weighted assets well capitalized guidelines amount. + References No definition available. + Details
Name: | onb_CommonEquityTierOneCapitalToRiskWeightedAssetsWellCapitalizedGuidelinesAmount
Namespace Prefix: | onb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Common equity tier one capital to risk weighted assets well capitalized guidelines ratio. + References No definition available. + Details
Name: | onb_CommonEquityTierOneCapitalToRiskWeightedAssetsWellCapitalizedGuidelinesRatio
Namespace Prefix: | onb_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Tier One Risk Based Capital Required For Capital Adequacy With Buffer1 + References No definition available. + Details
Name: | onb_TierOneRiskBasedCapitalRequiredForCapitalAdequacyWithBuffer1
Namespace Prefix: | onb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Tier One Risk Based Capital Required For Capital Adequacy With Buffer To Risk Weighted Assets + References No definition available. + Details
Name: | onb_TierOneRiskBasedCapitalRequiredForCapitalAdequacyWithBufferToRiskWeightedAssets
Namespace Prefix: | onb_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of total capital as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 + Details
Name: | us-gaap_Capital
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of minimum total risk-based capital required for capital adequacy as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B + Details
Name: | us-gaap_CapitalRequiredForCapitalAdequacy
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Ratio of minimum total risk-based capital to risk-weighted assets required for capital adequacy as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B + Details
Name: | us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of minimum total risk-based capital categorized as well capitalized as defined by regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 + Details
Name: | us-gaap_CapitalRequiredToBeWellCapitalized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Ratio of minimum total risk-based capital to risk-weighted assets categorized as well capitalized as defined by regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 + Details
Name: | us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Ratio of total risk-based capital to risk-weighted assets as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 + Details
Name: | us-gaap_CapitalToRiskWeightedAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

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 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 + Details
Name: | us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of Tier 1 leverage capital as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 + Details
Name: | us-gaap_TierOneLeverageCapital
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of minimum Tier 1 leverage capital required for capital adequacy as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B + Details
Name: | us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Ratio of minimum Tier 1 leverage capital to average assets required for capital adequacy as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B + Details
Name: | us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of minimum Tier 1 leverage capital categorized as well capitalized as defined by regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 + Details
Name: | us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Ratio of minimum Tier 1 leverage capital to average assets categorized as well capitalized as defined by regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 + Details
Name: | us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Ratio of Tier 1 capital to average assets as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 + Details
Name: | us-gaap_TierOneLeverageCapitalToAverageAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of Tier 1 risk-based capital as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 + Details
Name: | us-gaap_TierOneRiskBasedCapital
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of minimum Tier 1 risk-based capital categorized as well capitalized as defined by regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 + Details
Name: | us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Ratio of minimum Tier 1 risk-based capital to risk-weighted assets categorized as well capitalized as defined by regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 + Details
Name: | us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Ratio of Tier 1 risk-based capital to risk-weighted assets as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 + Details
Name: | us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=onb_OldNationalBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |