Regulatory Matters (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Renasant Corporation
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Tier 1 Capital to Average Assets (Leverage) - Amount	$ 539,523	$ 483,738
Tier 1 Capital to Average Assets (Leverage) - Ratio	9.74%	8.56%
Common Equity Tier 1 Capital to Risk-Weighted Assets - Amount	448,027	0
Common Equity Tier 1 Capital to Risk-Weighted Assets - Ratio	10.35%	0.00%
Tier 1 Capital to Risk-Weighted Assets - Amount	539,523	483,738
Tier One Risk Based Capital to Risk Weighted Assets - Ratio	12.47%	11.54%
Total Capital to Risk-Weighted Assets - Amount	584,916	532,549
Capital to Risk Weighted Assets - Ratio	13.51%	12.70%
Renasant Bank
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Tier 1 Capital to Average Assets (Leverage) - Amount	523,505	467,944
Tier 1 Capital to Average Assets (Leverage) - Ratio	9.48%	8.30%
Common Equity Tier 1 Capital to Risk-Weighted Assets - Amount	523,505	0
Common Equity Tier 1 Capital to Risk-Weighted Assets - Ratio	12.13%	0.00%
Tier 1 Capital to Risk-Weighted Assets - Amount	523,505	467,944
Tier One Risk Based Capital to Risk Weighted Assets - Ratio	12.13%	11.24%
Total Capital to Risk-Weighted Assets - Amount	$ 568,326	$ 515,993
Capital to Risk Weighted Assets - Ratio	13.16%	12.39%

Common Equity Tier One Risk Based Capital

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Common Equity Tier One Risk Based Capital to Risk Weighted Assets

+ References

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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=35709795&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=35709795&loc=d3e65071-112826

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-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

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Total Capital divided by risk weighted assets as defined in the regulations.

+ References

Reference 1: 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=35709795&loc=d3e65071-112826

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 505

-Section 50

-Paragraph 1

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826

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- Definition

Tier 1 Leverage Capital as defined in the regulations. Also called Core Capital.

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Tier 1 Leverage Capital divided by average assets as defined in the regulations.

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Tier 1 Risk Based Capital as defined in the regulations.

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Tier 1 capital divided by risk weighted assets as defined by regulations.

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