Investments in Real Estate - Investments in Existing Properties Narrative (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Investments in real estate properties
Capitalized costs on existing portfolio	$ 47,107	$ 66,047
Investments in existing properties
Investments in real estate properties
Capitalized costs on existing portfolio	43,600	70,600
Non-recurring building improvements	36,500	63,700
Re-leasing costs	6,900	3,900
Recurring capital expenditures	$ 200	$ 3,000