Consolidated Statements of Shareholders' Equity (unaudited) (Parenthetical) (USD $)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Number of common shares issued	237,753
Number of common shares retired	100,000
Common stock, dividends per share	$ 0.08
Series 2009 Preferred Stock [Member]
Preferred stock, dividends per share		$ 20
Series 2011 Preferred Stock [Member]
Preferred stock, dividends per share		$ 10

Aggregate dividends declared during the period for each share of common stock outstanding.

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Aggregate dividends declared during the period for each share of preferred stock outstanding.

+ References

No definition available.

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Number of new stock issued during the period.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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Number of shares that have been repurchased and retired during the period.

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