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Shareholders' Equity (Narrative) (Details) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Shareholders Equity [Line Items] |  |
Capital shares authorized | 50,210,000 |
Common stock, shares authorized | 50,000,000 | 50,000,000
Common stock, par value | $ 0.01 | $ 0.01
Preferred stock, shares authorized | 210,000 |
Preferred stock, par value | $ 100 |
Preferred stock, shares issued | 173,398 | 173,398
Preferred stock, shares outstanding | 173,398 | 173,398
Preferred Class A [Member] |  |
Shareholders Equity [Line Items] |  |
Preferred stock, shares authorized | 10,000 |
Series A 3% Preferred Stock [Member] |  |
Shareholders Equity [Line Items] |  |
Preferred stock, dividend percentage | 3.00% | 3.00%
Preferred stock, shares issued | 1,492 | 1,492
Preferred stock, dividend per share | $ 3.00 |
Preferred Class B [Member] |  |
Shareholders Equity [Line Items] |  |
Preferred stock, shares authorized | 200,000 |
Series B-1 8.48% Preferred Stock [Member] |  |
Shareholders Equity [Line Items] |  |
Preferred stock, shares authorized | 200,000 | 200,000
Preferred stock, par value | $ 100 | $ 100
Preferred stock, dividend percentage | 8.48% | 8.48%
Preferred stock, shares issued | 171,906 | 171,906
Preferred stock, dividend per share | $ 8.48 |

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- Definition Face amount or stated value per share of common stock. + 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 210.5-02.29) -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 30 -Article 5 + Details
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- Definition The maximum number of common shares 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 210.5-02.29) -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 30 -Article 5 + Details
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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 + Details
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- Definition Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. + 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 + Details
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