Equity and Capital - Schedule of Partnership Units Outstanding (Details) - shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Class of Stock [Line Items]
General partner units, outstanding	167,571,000	167,904,000
Limited partner units, outstanding	746,000	350,000
Partners' Capital Account, Units	168,317,000	168,254,000
Operating Partnership [Member]
Class of Stock [Line Items]
General partner units, outstanding	167,571,218
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%	99.80%