Interest Expense And Interest Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Interest Expense and Interest Income [Line Items]
Interest expense	$ 27,288	$ 8,911
Amortization of loan costs	1,240	381
Interest income	(839)	(1,315)
Interest expense, net	27,689	$ 7,977
Variable Interest Entity, Primary Beneficiary [Member]
Interest Expense and Interest Income [Line Items]
Interest expense, net	$ 2,400