Note 16 - Junior Subordinated Debentures (Details) (USD $) In Billions, unless otherwise specified	3 Months Ended	12 Months Ended
Mar. 31, 2015	Dec. 29, 2014
Note 16 - Junior Subordinated Debentures (Details) [Line Items]
Percentage of Trust Common Equity Owned by Company	100.00%
Total Assets Maximum Threshold for Bank Holding Companies that Issued Trust Preferred Securities (in Dollars)	$ 15
Interest Rate Swap [Member] \| Trust Preferred Securities Subject to Mandatory Redemption [Member]
Note 16 - Junior Subordinated Debentures (Details) [Line Items]
Derivative, Term of Contract	5 years
Trust Preferred Securities Subject to Mandatory Redemption [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Note 16 - Junior Subordinated Debentures (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate		2.95%
Trust Preferred Securities Subject to Mandatory Redemption [Member]
Note 16 - Junior Subordinated Debentures (Details) [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.54%

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Represents the percentage of the common equity of First South Preferred Trust I owned by the Company.

+ References

No definition available.

+ Details

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- Definition

This represents the maximum total assets threshold related to bank holding companies which issue trust preferred securities for Tier 1 or 2 capital.

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Details

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