Interest (Tables)

9 Months Ended

Sep. 30, 2017

Interest [Abstract]

Schedule Of Capitalized Interest Costs

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
Interest capitalized beginning of period	$	35,668		26,577	$	28,935		21,533
Interest capitalized during period		13,338		6,743		31,902		19,772
Less: capitalized interest in cost of sales		(8,794)		(5,192)		(20,625)		(13,177)
Interest capitalized end of period	$	40,212		28,128	$	40,212		28,128