Interest Costs (Tables)

v2.4.0.8

Interest Costs (Tables)	6 Months Ended
	Jun. 30, 2013
Interest Costs Disclosure [Abstract]
Interest costs	The following is a summary of our interest costs:   For the Three Months Ended June 30,   For the Six Months Ended June 30,   2013   2012   2013   2012 Interest costs charged to expense $ 49,728   $ 72,770   $ 95,902   $ 149,742 Interest costs capitalized 8,038   8,128   16,008   16,082 Total interest costs incurred $ 57,766   $ 80,898   $ 111,910   $ 165,824