XML 175 R156.htm IDEA: XBRL DOCUMENT v3.6.0.2

Commitments, Contingent Liabilities and Financial Instruments with Off-Balance Sheet Risk (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Commitments, Contingent Liabilities and Financial Instruments with Off-Balance Sheet Risk (Textual) [Abstract]
Unfunded loan commitments	$ 1,263,059	$ 1,131,842
Letters of credit outstanding	$ 44,086	$ 37,063

X

- Definition

Commitments Contingent Liabilities And Financial Instruments With Off Balance Sheet Risk (Textual) [Abstract]

+ References

No definition available.

+ Details

Name:	rnst_CommitmentsContingentLiabilitiesAndFinancialInstrumentsWithOffBalanceSheetRiskTextualAbstract
Namespace Prefix:	rnst_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Available funds under customer loan commitments.

+ References

No definition available.

+ Details

Name:	rnst_UnfundedLoan
Namespace Prefix:	rnst_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant