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Regulatory Matters - Capital and Risk-based Capital and Leverage Ratios (Details) $ in Thousands | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
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Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Tier 1 Capital to Average Assets (Leverage) - Amount | $ 108,450 |
Renasant Corporation |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Tier 1 Capital to Average Assets (Leverage) - Amount | $ 1,481,197 | $ 1,422,077
Tier 1 Capital to Average Assets (Leverage) - Ratio | 0.0936 | 0.0915
Common Equity Tier 1 Capital to Risk-Weighted Assets - Amount | $ 1,372,747 | $ 1,314,295
Common Equity Tier 1 Capital to Risk-Weighted Assets - Ratio | 10.21% | 11.18%
Tier 1 Capital to Risk-Weighted Assets - Amount | $ 1,481,197 | $ 1,422,077
Tier 1 Capital to Risk-Weighted Assets - Ratio | 0.1101 | 0.1210
Total Capital to Risk-Weighted Assets - Amount | $ 1,968,001 | $ 1,897,167
Total Capital to Risk-Weighted Assets - Ratio | 0.1463 | 0.1614
Renasant Bank |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Tier 1 Capital to Average Assets (Leverage) - Amount | $ 1,630,389 | $ 1,580,904
Tier 1 Capital to Average Assets (Leverage) - Ratio | 0.1030 | 0.1018
Common Equity Tier 1 Capital to Risk-Weighted Assets - Amount | $ 1,630,389 | $ 1,580,904
Common Equity Tier 1 Capital to Risk-Weighted Assets - Ratio | 12.10% | 13.46%
Tier 1 Capital to Risk-Weighted Assets - Amount | $ 1,630,389 | $ 1,580,904
Tier 1 Capital to Risk-Weighted Assets - Ratio | 0.1210 | 0.1346
Total Capital to Risk-Weighted Assets - Amount | $ 1,781,312 | $ 1,697,163
Total Capital to Risk-Weighted Assets - Ratio | 0.1322 | 0.1444

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- Definition Amount of total capital as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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