XML 44 R32.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Mortgage Servicing Rights (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2024
Transfers and Servicing [Abstract] |
Schedule of Changes in the Company's MSRs | Changes in the Company’s MSRs were as follows:
Balance at January 1, 2024 | $ | 91,688 |
Sale of MSRs | (19,539) |
Capitalization | 4,669 |
Amortization | (4,726) |
Balance at June 30, 2024 | $ | 72,092 |
Schedule of Data and Key Economic Assumptions Related to the Company's MSRs | Data and key economic assumptions related to the Company’s MSRs are as follows as of the dates presented:
| June 30, 2024 |  | December 31, 2023
Unpaid principal balance | $ | 5,874,481 |  |  | $ | 7,826,182 |
Weighted-average prepayment speed (CPR) | 8.87 | % |  | 8.77 | %
Estimated impact of a 10% increase | $ | (3,066) |  |  | $ | (2,653) |
Estimated impact of a 20% increase | (5,941) |  |  | (5,457) |
Discount rate | 11.09 | % |  | 10.85 | %
Estimated impact of a 10% increase | $ | (3,924) |  |  | $ | (4,753) |
Estimated impact of a 20% increase | (7,557) |  |  | (9,149) |
Weighted-average coupon interest rate | 4.13 | % |  | 3.88 | %
Weighted-average servicing fee (basis points) | 36.06 |  |  | 33.24 |
Weighted-average remaining maturity (in years) | 7.50 |  | 7.50

X
- Definition Schedule of fair value assumption related to mortgage servicing rights. + References No definition available. + Details
Name: | rnst_ScheduleOfFairValueAssumptionRelatedToMortgageServicingRightsTableTextBlock
Namespace Prefix: | rnst_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of activity in the balance of servicing assets subsequently measured at amortized cost. Includes, but is not limited to, beginning and ending balances, additions, disposals, and amortization. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481229/860-50-50-4 + Details
Name: | us-gaap_ScheduleOfServicingAssetsAtAmortizedValueTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TransfersAndServicingAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration