Interest (Tables)

9 Months Ended

Sep. 30, 2015

Interest [Abstract]

Schedule of Interest Costs

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2015		2014		2015		2014
Interest capitalized beginning of period	$	15,741	$	5,850	$	11,302	$	2,820
Interest capitalized during period		5,189		3,894		14,079		7,452
Less: capitalized interest in cost of sales		(2,474)		(755)		(6,925)		(1,283)
Interest capitalized end of period	$	18,456	$	8,989	$	18,456	$	8,989