Quarterly report pursuant to Section 13 or 15(d)

Supplemental Disclosure of Cash Flow Information (Details)

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Supplemental Disclosure of Cash Flow Information (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Cash paid during the period for:    
Interest, net of interest capitalized $ 19,615 $ 22,774
Income taxes 909 862
Non-cash operating activities:    
Real estate not owned $ 0 $ 532