Accumulated Other Comprehensive Income (Loss) - Summary of Changes in Accumulated Other Comprehensive Income (Loss) by Component (Details) - USD ($)		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015
Accumulated Other Comprehensive Income Loss [Line Items]
Amount of loss related to the effective portion of cash flow hedges recognized in other comprehensive income (loss)	[1]	$ (2,774,000)	$ (8,501,000)
Amounts reclassified from accumulated other comprehensive income (loss) into interest expense	[1]	10,977,000	1,070,000
Unconsolidated Joint Ventures [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Amounts reclassified from accumulated other comprehensive income (loss) into interest expense		0	0
Amount income (loss) related to unconsolidated joint ventures recognized in other comprehensive income (loss)	[1],[2]	$ 12,000	$ (412,000)

[1] Net of amount attributable to the noncontrolling interests in the Operating Partnership.

[2] Balance held in accumulated other comprehensive income (loss) relates to foreign currency translation adjustments. No amounts were reclassified from accumulated other comprehensive income (loss) during any of the periods set forth above.