Other Comprehensive Income - Accumulated Balances for Each Component of Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total accumulated other comprehensive loss	$ 3,778,854	$ 2,727,105	$ 2,678,318	$ 2,354,701	$ 2,322,350	$ 2,297,383
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total accumulated other comprehensive loss	(114,041)	$ (121,621)	(142,608)	$ (154,116)	$ (156,943)	$ (154,256)
Unrealized losses on securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total accumulated other comprehensive loss	(121,828)		(152,934)
Unrealized gains on derivative instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total accumulated other comprehensive loss	14,742		17,429
Unrecognized losses on defined benefit pension and post-retirement benefit plans obligations
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total accumulated other comprehensive loss	$ (6,955)		$ (7,103)

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.

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RENASANT CORP 10-Q