Interest (Tables)

9 Months Ended

Sep. 30, 2018

Interest [Abstract]

Schedule Of Capitalized Interest Costs

	Three months ended September 30,				Nine months ended September 30,
	2018		2017		2018		2017
Interest capitalized beginning of period	$	47,797	$	35,668	$	41,762	$	28,935
Interest capitalized during period		16,109		13,338		43,387		31,902
Less: capitalized interest in cost of sales		(12,334)		(8,794)		(33,577)		(20,625)
Interest capitalized end of period	$	51,572	$	40,212	$	51,572	$	40,212