Investments in Real Estate - Investments in Existing Properties Narrative (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Investments in real estate properties
Capitalized costs on existing portfolio	$ 29,458	$ 29,654
Investments in existing properties
Investments in real estate properties
Capitalized costs on existing portfolio	31,900	37,800
Non-recurring building improvements	26,300	31,800
Re-leasing costs	5,500	3,200
Recurring capital expenditures	$ 100	$ 2,800