XML 145 R123.htm IDEA: XBRL DOCUMENT v3.24.0.1

Fair Value Measurements - Measurement Inputs (Details) - Level 3 $ in Thousands	Dec. 31, 2023 USD ($)
Individually evaluated loans, net of allowance for credit losses
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Fair Value	$ 21,303
OREO
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Fair Value	$ 0
Measurement input, price volatility | Minimum | Individually evaluated loans, net of allowance for credit losses
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Debt instrument, measurement input range	0.04
Measurement input, price volatility | Minimum | OREO
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
OREO, measurement input range	0.04
Measurement input, price volatility | Maximum | Individually evaluated loans, net of allowance for credit losses
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Debt instrument, measurement input range	0.10
Measurement input, price volatility | Maximum | OREO
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
OREO, measurement input range	0.10

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

Value of input used to measure debt instrument, including, but not limited to, convertible and non-convertible debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_DebtInstrumentMeasurementInput
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
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

No definition available.

+ Details

Name:	us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Value of input used to measure real estate owned by financial institution by financial institution which is not directly related to its business.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_OtherRealEstateOwnedMeasurementInput
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Details

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

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=rnst_ImpairedLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=rnst_OreoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputPriceVolatilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: