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Revenue - Summary of Revenues from Contracts with Customers Disaggregated by Categories (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 14,463	$ 12,813	$ 33,705	$ 30,011
Related party
Disaggregation of Revenue [Line Items]
Revenue	14,162	12,549	32,856	29,477
Commercial
Disaggregation of Revenue [Line Items]
Revenue	301	264	849	534
Fixed-price
Disaggregation of Revenue [Line Items]
Revenue	1,299	1,683	4,063	5,222
Cost-plus
Disaggregation of Revenue [Line Items]
Revenue	10,090	8,503	20,685	17,859
Variable
Disaggregation of Revenue [Line Items]
Revenue	3,074	2,627	8,957	6,930
Asset management
Disaggregation of Revenue [Line Items]
Revenue	10,606	9,391	22,502	20,926
Property management
Disaggregation of Revenue [Line Items]
Revenue	2,605	2,508	7,731	6,831
Parking management
Disaggregation of Revenue [Line Items]
Revenue	$ 1,252	$ 914	$ 3,472	$ 2,254

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