Financial Instruments and Fair Value Measurements - Schedule of Other Financial Instruments Carrying Values and Fair values (Details) - USD ($) $ in Thousands		Mar. 31, 2022	Dec. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes Receivable		$ 153,161	$ 153,886
Mortgage and Other Notes Payable		1,819,646	1,812,238
Unsecured notes payable and Unsecured line of credit		529,796	559,040
Level 3 | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes Receivable	[1]	153,161	153,886
Mortgage and Other Notes Payable	[1]	1,098,340	1,143,805
Investment in non-traded equity securities	[2]	3,656	3,656
Level 3 | Estimated Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes Receivable	[1]	150,696	154,093
Mortgage and Other Notes Payable	[1]	1,070,756	1,125,571
Investment in non-traded equity securities	[2]	5,831	4,062
Level 2 | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Unsecured notes payable and Unsecured line of credit	[3]	727,931	675,933
Level 2 | Estimated Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Unsecured notes payable and Unsecured line of credit	[3]	$ 727,727	$ 680,171

[1] The Company determined the estimated fair value of these financial instruments using a discounted cash flow model with rates that take into account the credit of the borrower or tenant, where applicable, and interest rate risk. The Company also considered the value of the underlying collateral, taking into account the quality of the collateral, the credit quality of the borrower, the time until maturity and the current market interest rate environment. Amounts exclude discounts and loan costs.

[2] Represents the Operating Partnership’s cost-method investment in Fifth Wall (Note 4)

[3] The Company determined the estimated fair value of the unsecured notes payable and unsecured line of credit using quoted market prices in an open market with limited trading volume where available. In cases where there was no trading volume, the Company determined the estimated fair value using a discounted cash flow model using a rate that reflects the average yield of similar market participants.