Summary of Significant Accounting Policies - Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Type of Revenue	$ 2,475	$ 1,950
Parking income
Disaggregation of Revenue [Line Items]
Type of Revenue	1,753	1,658
Management fee income
Disaggregation of Revenue [Line Items]
Type of Revenue	655	239
Miscellaneous
Disaggregation of Revenue [Line Items]
Type of Revenue	$ 67	$ 53