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Regulatory Matters - Capital and Risk-based Capital and Leverage Ratios (Details) $ in Thousands | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
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Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Tier 1 Capital to Average Assets (Leverage) - Amount | $ 109,388 |
Renasant Corporation |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Tier 1 Capital to Average Assets (Leverage) - Amount | $ 1,578,918 | $ 1,481,197
Tier 1 Capital to Average Assets (Leverage) - Ratio | 0.0962 | 0.0936
Common Equity Tier 1 Capital to Risk-Weighted Assets - Amount | $ 1,469,531 | $ 1,372,747
Common Equity Tier 1 Capital to Risk-Weighted Assets - Ratio | 10.52% | 10.21%
Tier 1 Capital to Risk-Weighted Assets - Amount | $ 1,578,918 | $ 1,481,197
Tier 1 Capital to Risk-Weighted Assets - Ratio | 0.1130 | 0.1101
Total Capital to Risk-Weighted Assets - Amount | $ 2,085,531 | $ 1,968,001
Total Capital to Risk-Weighted Assets - Ratio | 0.1493 | 0.1463
Renasant Bank |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Tier 1 Capital to Average Assets (Leverage) - Amount | $ 1,714,965 | $ 1,630,389
Tier 1 Capital to Average Assets (Leverage) - Ratio | 0.1045 | 0.1030
Common Equity Tier 1 Capital to Risk-Weighted Assets - Amount | $ 1,714,965 | $ 1,630,389
Common Equity Tier 1 Capital to Risk-Weighted Assets - Ratio | 12.25% | 12.10%
Tier 1 Capital to Risk-Weighted Assets - Amount | $ 1,714,965 | $ 1,630,389
Tier 1 Capital to Risk-Weighted Assets - Ratio | 0.1225 | 0.1210
Total Capital to Risk-Weighted Assets - Amount | $ 1,888,104 | $ 1,781,312
Total Capital to Risk-Weighted Assets - Ratio | 0.1349 | 0.1322

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- Definition Amount of total capital as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 + Details
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