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

+ References

No definition available.

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- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28)

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29

-Article 5

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- Definition

Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

+ References

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Capital Preferred Stock (Additional Information) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Sep. 30, 2006	Dec. 31, 2011
Class of Stock [Line Items]
Preferred Stock, Shares Authorized	50,000,000us-gaap_PreferredStockSharesAuthorized	50,000,000us-gaap_PreferredStockSharesAuthorized
Preferred Stock, Shares Outstanding	12,000us-gaap_PreferredStockSharesOutstanding	7,000us-gaap_PreferredStockSharesOutstanding
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Dividends, Per Share, Cash Paid	$ 4,056	$ 4,056	$ 4,052
Preferred Stock, Shares Authorized				5,000
Preferred Stock, Shares Outstanding	1,725	1,725
Series B Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Dividends, Per Share, Cash Paid	$ 4,056	$ 4,056	$ 4,052
Preferred Stock, Shares Authorized					5,010
Preferred Stock, Shares Outstanding	1,025	1,025
Series E Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Dividends, Per Share, Cash Paid	$ 5,875	$ 5,793	$ 0
Preferred Stock, Shares Authorized			5,000
Preferred Stock, Shares Outstanding	4,500	4,500
Series F Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Shares Outstanding	5,000