XML 94 R83.htm IDEA: XBRL DOCUMENT
v3.25.3

Fair Value Measurements - Assets Measured at Fair Value on a Nonrecurring Basis (Details) - Fair Value, measurements, nonrecurring - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Impaired loans measured at fair value on a nonrecurring basis |  |
Collateral dependent loans | $ 82,144 | $ 38,374
OREO | 3,307 | 3,666
Total financial assets | 85,451 | 42,040
Level 1 |  |
Impaired loans measured at fair value on a nonrecurring basis |  |
Collateral dependent loans | 0 | 0
OREO | 0 | 0
Total financial assets | 0 | 0
Level 2 |  |
Impaired loans measured at fair value on a nonrecurring basis |  |
Collateral dependent loans | 0 | 0
OREO | 0 | 0
Total financial assets | 0 | 0
Level 3 |  |
Impaired loans measured at fair value on a nonrecurring basis |  |
Collateral dependent loans | 82,144 | 38,374
OREO | 3,307 | 3,666
Total financial assets | $ 85,451 | $ 42,040

X
- Definition Fair value measurement on impaired loans on non recurring basis. + References No definition available. + Details
Name: | rnst_FairValueMeasurementOnImpairedLoansOnNonRecurringBasisAbstract
Namespace Prefix: | rnst_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Impaired loans measured at fair value on nonrecurring basis. + References No definition available. + Details
Name: | rnst_ImpairedLoansMeasuredAtFairValueOnNonrecurringBasis
Namespace Prefix: | rnst_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Other real estate owned measured at fair value on non recurring basis. + References No definition available. + Details
Name: | rnst_OtherRealEstateOwnedMeasuredAtFairValueOnNonRecurringBasis
Namespace Prefix: | rnst_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |