| Submission | Aug. 30, 2024 |
| Submission [Line Items] | |
| Central Index Key | 0000715072 |
| Registrant Name | Renasant Corporation |
| Form Type | S-4 |
| Submission Type | S-4 |
| Fee Exhibit Type | EX-FILING FEES |
| Offerings - Offering: 1 | Aug. 30, 2024 USD ($) shares |
| Offering: | |
| Fee Previously Paid | false |
| Other Rule | true |
| Security Type | Equity |
| Security Class Title | Common stock, par value $5.00 per share |
| Amount Registered | shares | 31,782,668 |
| Maximum Aggregate Offering Price | $ 1,052,006,311 |
| Fee Rate | 0.01476% |
| Amount of Registration Fee | $ 155,277 |
| Rule 457(f) | true |
| Offering Note | (1) Represents the maximum number of shares of common stock, par value $5.00 per share, of Renasant Corporation, or Renasant, issuable upon the completion of the merger of The First Bancshares, Inc., or FBMS, and Renasant pursuant to the Agreement and Plan of Merger, dated as of July 29, 2024, by and between FBMS and Renasant, or the merger, in exchange for shares of common stock of FBMS, par value $1.00 per share, or FBMS common stock, including in connection with shares of FBMS common stock subject to restricted stock awards. (2) Estimated solely for the purpose of calculating the registration fee required by Section 6(b) of the Securities Act of 1933, as amended, or Securities Act, and computed pursuant to Rule 457(c) and 457(f)(1) under the Securities Act. The proposed maximum aggregate offering price was calculated as the product of (i) $33.10, the average of the high and low sales prices of FBMS common stock as reported on the New York Stock Exchange on August 23, 2024 and (ii) 31,782,488, the estimated maximum number of shares of FBMS common stock that may be exchanged in connection with the merger, , including in connection with shares of FBMS common stock subject to restricted stock awards. (3) Computed in accordance with Section 6(b) of the Securities Act, at a rate equal to 0.00014760 multiplied by the proposed maximum aggregate offering price. |
| Fees Summary | Aug. 30, 2024 USD ($) |
| Fees Summary [Line Items] | |
| Total Offering | $ 1,052,006,311 |
| Previously Paid Amount | 0 |
| Total Fee Amount | 155,277 |
| Total Offset Amount | 0 |
| Net Fee | $ 155,277 |
