Interest Costs (Tables)

v2.4.0.6

Interest Costs (Tables)	3 Months Ended
	Mar. 31, 2012
Interest Costs Disclosure [Abstract]
Interest Costs	The following is a summary of our interest costs:   For the Three Months Ended March 31,   2012    2011 Interest costs charged to expense $ 76,971    $ 78,218 Interest costs capitalized 7,954    7,250 Total interest costs incurred $ 84,925    $ 85,468