Equity (Preferred Stock - Authorized, Issued and Outstanding) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Preferred Stock Shares Outstanding	86,000us-gaap_PreferredStockSharesOutstanding	86,000us-gaap_PreferredStockSharesOutstanding
Series B Preferred Stock [Member]
Preferred Stock Liquidation Preference	$ 40
Preferred Stock Shares Outstanding	1,000	1,000
Series K Preferred Stock [Member]
Preferred Stock Liquidation Preference	$ 10,000
Preferred Stock Shares Outstanding	50,000	50,000
Series O Preferred Stock [Member]
Preferred Stock Liquidation Preference	$ 100,000
Preferred Stock Shares Outstanding	10,000	10,000
Series P Preferred Stock [Member]
Preferred Stock Liquidation Preference	$ 100,000
Preferred Stock Shares Outstanding	15,000	15,000
Preferred Stock, Par or Stated Value Per Share			$ 1
Series Q Preferred Stock [Member]
Preferred Stock Liquidation Preference	$ 100,000
Preferred Stock Shares Outstanding	5,000	5,000
Series R Preferred Stock [Member]
Preferred Stock Liquidation Preference	$ 100,000
Preferred Stock Shares Outstanding	5,000	5,000
Preferred Stock, Par or Stated Value Per Share		1
Authorized [Member]
Preferred Stock Shares Authorized	16,588,000	16,588,000
Preferred Stock, Par or Stated Value Per Share	$ 1

The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph d

-Article 4

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(d)(1))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ 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

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.

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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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