Investments in Joint Ventures (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Apr. 01, 2022
Schedule of Equity Method Investments [Line Items]
Income (Loss) from Equity Method Investments, Net of Dividends or Distributions	$ 0	$ 2,540	$ 3,048	$ 6,652
Equity Method Investment, Ownership Percentage CPT					31.30%
Fees earned for property and asset management, construction, development, and other services to joint ventures		$ 1,800	$ 1,700	$ 4,900
The Funds
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage CPT					31.30%
The Funds | Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Schedule of Equity Method Investments [Line Items]
equity method investment non-ownership percentage					68.70%