Interest Costs (Tables)

v2.4.0.6

Interest Costs (Tables)	9 Months Ended
	Sep. 30, 2012
Interest Costs Disclosure [Abstract]
Interest Costs	The following is a summary of our interest costs:   For the Three Months Ended September 30,   For the Nine Months Ended September 30,   2012   2011   2012    2011 Interest costs charged to expense $ 70,035   $ 75,316   $ 219,777    $ 229,730 Interest costs capitalized 8,005   8,906   24,087    24,224 Total interest costs incurred $ 78,040   $ 84,222   $ 243,864    $ 253,954