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