Segments - Net Income of Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information
Rental revenues	$ 54,635	$ 45,741
Rental expenses	12,669	10,832
Real estate taxes	5,404	5,306
Segment revenues	24,650	35,563
Gross profit	37,391	30,891
General contracting and real estate services
Segment Reporting Information
Segment revenues	24,650	35,563
Segment expenses	23,821	34,275
Gross profit	829	1,288
Office real estate
Segment Reporting Information
Rental revenues	17,023	11,635
Rental expenses	4,140	2,875
Real estate taxes	1,504	1,358
Gross profit	11,379	7,402
Retail real estate
Segment Reporting Information
Rental revenues	21,430	18,255
Rental expenses	3,501	2,836
Real estate taxes	2,238	2,027
Gross profit	15,691	13,392
Multifamily residential real estate
Segment Reporting Information
Rental revenues	16,182	15,851
Rental expenses	5,028	5,121
Real estate taxes	1,662	1,921
Gross profit	$ 9,492	$ 8,809

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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