Derivatives - Effect of Our Derivative Financial Instruments on Our Consolidated Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Derivative Instruments And Hedging Activities Disclosure [Abstract]
Amount of Gain or (Loss) Recognized in Other Comprehensive Income on Derivative Instruments	$ (20,100)	$ (5,300)
Amount of Gain or (Loss) Reclassified from Accumulated Other Comprehensive Income into Interest Expense	400	(1,200)
Interest Expense	$ (16,858)	$ (15,898)