Net Income Per Common Share - Basic and Diluted Net Income Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Basic
Net income applicable to common stock	$ 59,788	$ 72,455	$ 102,324	$ 150,711
Average common shares outstanding (in shares)	94,623,551	61,217,094	84,403,694	57,934,806
Net income per common share - basic (in usd per share)	$ 0.63	$ 1.18	$ 1.21	$ 2.60
Diluted
Net income applicable to common stock	$ 59,788	$ 72,455	$ 102,324	$ 150,711
Average common shares outstanding (in shares)	94,623,551	61,217,094	84,403,694	57,934,806
Effect of dilutive stock-based compensation (in shares)	661,052	415,354	530,696	362,748
Average common shares outstanding - diluted (in shares)	95,284,603	61,632,448	84,934,390	58,297,554
Net income per common share - diluted (in usd per share)	$ 0.63	$ 1.18	$ 1.20	$ 2.59

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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+ Details

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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+ Details

- Definition

Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

+ References

+ Details

- Definition

Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.

+ References + Details

RENASANT CORP 10-Q