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Real Estate Properties
3 Months Ended
Mar. 31, 2022
Real Estate [Abstract]  
Real Estate Properties Real Estate Properties
During the three months ended March 31, 2022 and 2021, we made improvements, excluding tenant-funded improvements, to our properties totaling $0.8 million and $3.5 million, respectively.

Property Dispositions:

We did not sell any properties during the three months ended March 31, 2022 or three months ended March 31, 2021.
Lease Payments

Rental revenue consists of the following (in thousands):
Three Months Ended March 31,
20222021
Lease payments$10,103 $9,257 
Variable lease payments5,737 4,912 
Rental revenue$15,840 $14,169