Accumulated Other Comprehensive Income (Loss) - Summary of Changes in Accumulated Other Comprehensive Income by Component (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract]
Amount of income (loss) related to the effective portion of cash flow hedges recognized in other comprehensive income		$ 6,123	$ (6,025)	$ 20,202	$ (4,529)
Amounts reclassified from accumulated other comprehensive income (decreasing) increasing interest and debt expense		(328)	1,984	144	4,520
Amount of income related to unconsolidated joint ventures recognized in other comprehensive income (loss)	[1]	$ 103	$ 35	$ 157	$ (187)

[1] Represents foreign currency translation adjustments. No amounts were reclassified from accumulated other comprehensive income during any of the periods set forth above.