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Regulatory Matters - Capital and Risk-Based Capital and Leverage Ratios (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016
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Renasant Corporation |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Tier 1 capital to average assets (leverage) - amount | $ 970,005 | $ 858,850
Tier 1 capital to average assets (leverage) - ratio | 10.05% | 10.59%
Common equity tier 1 capital to risk-weighted assets - amount | $ 887,234 | $ 766,560
Common equity tier 1 capital to risk-weighted assets - ratio | 11.21% | 11.47%
Tier 1 capital to risk-weighted assets - amount | $ 970,005 | $ 858,850
Tier 1 capital to risk-weighted assets - ratio | 12.26% | 12.86%
Total capital to risk-weighted assets - amount | $ 1,131,605 | $ 1,004,038
Total capital to risk-weighted assets - ratio | 14.30% | 15.03%
Renasant Bank |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Tier 1 capital to average assets (leverage) - amount | $ 990,117 | $ 824,850
Tier 1 capital to average assets (leverage) - ratio | 10.28% | 10.20%
Common equity tier 1 capital to risk-weighted assets - amount | $ 990,117 | $ 824,850
Common equity tier 1 capital to risk-weighted assets - ratio | 12.54% | 12.38%
Tier 1 capital to risk-weighted assets - amount | $ 990,117 | $ 824,850
Tier 1 capital to risk-weighted assets - ratio | 12.54% | 12.38%
Total capital to risk-weighted assets - amount | $ 1,038,473 | $ 871,911
Total capital to risk-weighted assets - ratio | 13.15% | 13.09%

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- Definition The amount of total capital as defined in the regulations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47304-110998 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84167132&loc=d3e65071-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84167132&loc=d3e65071-112826 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47080-110998 + Details
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