CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Rental revenue	$ 7,481	$ 10,361
Property operating expenses	4,028	5,832
General and administrative	2,720	3,235
Interest income	6,782	5,644
Interest expense	6,167	7,738
Affiliate
Rental revenue	256	242
Property operating expenses	117	382
General and administrative	1,390	1,670
Interest income	4,930	4,769
Interest expense	$ 1,505	$ 1,395

Amount of expense incurred and directly related to generating revenue by lessor from operating lease of rented property and equipment.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

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