Interim Financial Statements (Operating Partnership) (Details) - $ / shares	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
The Operating Partnership [Abstract]
Number Of Classes Of Preferred Stock	three
Common stock, shares outstanding	61,615,362		61,228,579
Number Of Classes Of Preferred Equity	two
Noncontrolling Interest, Ownership Percentage by Parent Company	70.00%
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interests	70.00%	70.00%
Units of Partnership Interest, Amount	87,712,025
Number Of Operating Partnership Units Outstanding Owned By Company	61,615,362
Noncontrolling Interest, Ownership Percentage by Noncontrolling Interest	30.00%
Series J Preferred Stock [Member]
The Operating Partnership [Abstract]
Dividend rate (in hundredths)	6.50%
Preferred Stock, liquidation preference per share	$ 25
Preferred Stock, Shares Outstanding	7,700,000		7,700,000
Series K Preferred Stock [Member]
The Operating Partnership [Abstract]
Dividend rate (in hundredths)	6.25%
Preferred Stock, liquidation preference per share	$ 25
Preferred Stock, Shares Outstanding	6,800,000		6,800,000
Series B Preferred Stock [Member]
The Operating Partnership [Abstract]
Preferred Stock, liquidation preference per share	$ 0.001		$ 0.001
Units of Partnership Interest, Terms of Conversion	one share of Series B Non-Participating Convertible Preferred Stock (Series B Preferred Share) per each unit of limited partnership in TRG (TRG Unit)
Preferred Stock, voting rights	Each Series B Preferred Share entitles the holder to one vote on all matters submitted to our shareholders. The holders of Series B Preferred Shares, voting as a class, have the right to designate up to four nominees for election as directors of TCO. On all other matters on which the holders of common stock are entitled to vote, including the election of directors, the holders of Series B Preferred Shares will vote with the holders of common stock.
Convertible Preferred Stock, Terms of Conversion	ratio of 14,000 shares of Series B Preferred Stock for one share of common stock
Preferred Stock, Shares Outstanding	26,079,064		26,398,473