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Shareholders' Equity (Details) (USD $)
Share data in Thousands, except Per Share data, unless otherwise specified |
12 Months Ended | 1 Months Ended | 12 Months Ended | ||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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Jun. 30, 2012
At The Market Offering Program [Member]
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Dec. 31, 2010
At The Market Offering Program [Member]
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| Financing Agreements [Line Items] | |||||
| Issuance and sale of stock, term | 36 months | ||||
| Common stock reserved for future issuance | $ 250,000,000 | ||||
| Common shares issued | 66,437 | 66,265 | 5,645 | ||
| Weighted average issue price | $ 30.34 | ||||
| Net proceeds | 0 | 0 | 168,880,000 | 168,881,000 | |
| Shares issued under Dividend Reinvestment Program, shares | 55 | 171 | 175 | ||
| Weighted average issue price, dividend reinvestment program | $ 29.67 | $ 29.97 | $ 30.36 | ||
| Net proceeds, dividend reinvestment program | $ 1,316,000 | $ 5,043,000 | $ 5,286,000 | ||
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- Definition
Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The cash inflow from the additional capital contribution to the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of cash inflow from capital contributions to an entity associated with a dividend reinvestment plan. No definition available.
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- Definition
Number of shares issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the shareholders to reinvest dividends paid to them by the entity on new issues of stock by the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Common Stock, Capital Shares Reserved for Future Issuances, Value No definition available.
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- Definition
Financing Agreements, Issuance and Sale of Stock, Term No definition available.
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- Details
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- Definition
Net Proceeds Per Share of Stock Issued No definition available.
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- Definition
Weighted Average Issue Price, Dividend Reinvestment Program No definition available.
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