Equity and Capital - Schedule of Partnership Units Outstanding (Details) - shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Class of Stock [Line Items]
General partner units, outstanding	169,680,000	167,571,000
Limited partner units, outstanding	765,000	746,000
Partners' Capital Account, Units	170,445,184	168,317,000
Operating Partnership [Member]
Class of Stock [Line Items]
General partner units, outstanding	169,680,138
Parent Company, Ownership Percentage of Outstanding Common Partnership Units of Operating Partnership	99.60%	99.60%
Operating Partnership [Member] | General Partner [Member]
Class of Stock [Line Items]
Parent Company, Ownership Percentage of Outstanding Common Partnership Units of Operating Partnership	99.60%	99.60%