Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity Dividend Reinvestment and Direct Stock Purchase Plan (Details)

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Stockholders' Equity Dividend Reinvestment and Direct Stock Purchase Plan (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2012
Class of Stock [Line Items]  
Common Stock, Capital Shares Reserved for Future Issuance 7,500,000
Stock Issued During Period, Shares, Dividend Reinvestment Plan 84,287
Stock Issued and Outstanding, Value, Dividend Reinvestment Plan $ 880