XML 81 R70.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Purchased Loans - Changes in Restructured Loans (Details) - Purchased loans $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2018 USD ($) loan
Number of Loans |
Totals at January 1, 2018 (loans) | loan | 68
Additional loans with concessions (loans) | loan | 3
Reclassified as performing restructured loan (loan) | loan | 3
Reclassified to nonperforming loans (loans) | loan | (5)
Paid in full (loans) | loan | (4)
Principal paydowns (loans) | loan | 0
Totals at September 30, 2018 (loans) | loan | 65
Recorded Investment |
Totals at January 1, 2018 | $ | $ 8,965
Additional loans with concessions | $ | 220
Reclassified as performing restructured loan | $ | 175
Reclassified to nonperforming loans | $ | (688)
Paid in full | $ | (411)
Principal paydowns | $ | (570)
Totals at September 30, 2018 | $ | $ 7,691

X
- Definition Additional loans with concessions number of contracts. + References No definition available. + Details
Name: | rnst_AdditionalLoansWithConcessionsNumberOfContracts
Namespace Prefix: | rnst_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Additional loans with concessions restructured loans. + References No definition available. + Details
Name: | rnst_AdditionalLoansWithConcessionsRestructuredLoans
Namespace Prefix: | rnst_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Changes in Recorded Investments [Roll Forward] + References No definition available. + Details
Name: | rnst_ChangesinRecordedInvestmentsRollForward
Namespace Prefix: | rnst_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Changes in restructured loans. + References No definition available. + Details
Name: | rnst_ChangesinRestructuredLoansRollForward
Namespace Prefix: | rnst_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing Receivable, Modifications, Reclassified + References No definition available. + Details
Name: | rnst_FinancingReceivableModificationsReclassified
Namespace Prefix: | rnst_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Financing Receivable, Modifications, Reclassified, Number of Contracts + References No definition available. + Details
Name: | rnst_FinancingReceivableModificationsReclassifiedNumberofContracts
Namespace Prefix: | rnst_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing Receivable, Reclassified As Performing Restructured + References No definition available. + Details
Name: | rnst_FinancingReceivableReclassifiedAsPerformingRestructured
Namespace Prefix: | rnst_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing Receivables, Reclassified As Performing Restructured + References No definition available. + Details
Name: | rnst_FinancingReceivablesReclassifiedAsPerformingRestructured
Namespace Prefix: | rnst_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing Receivables, Restructured Loans, Number + References No definition available. + Details
Name: | rnst_FinancingReceivablesRestructuredLoansNumber
Namespace Prefix: | rnst_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Paid In Full, Number Of Loans + References No definition available. + Details
Name: | rnst_PaidInFullNumberOfLoans
Namespace Prefix: | rnst_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Paid In Full, Recorded Investment + References No definition available. + Details
Name: | rnst_PaidInFullRecordedInvestment
Namespace Prefix: | rnst_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Principal Paydowns, Number of Restructured Loans + References No definition available. + Details
Name: | rnst_PrincipalPaydownsNumberOfRestructuredLoans
Namespace Prefix: | rnst_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Principal paydowns restructured loans. + References No definition available. + Details
Name: | rnst_PrincipalPaydownsRestructuredLoans
Namespace Prefix: | rnst_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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