Segments - Net Income of Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information
Rental revenues	$ 56,218	$ 54,635
Rental expenses	12,960	12,669
Real estate taxes	5,412	5,404
General contracting and real estate services revenues	84,238	24,650
Segment gross profit	43,353	40,025
Office Real Estate
Segment Reporting Information
Rental revenues	19,574	17,023
Rental expenses	5,103	4,140
Real estate taxes	2,095	1,504
Interest expense	2,400	2,000
Office Real Estate \| Operating Segments
Segment Reporting Information
Segment gross profit	12,376	11,379
Retail Real Estate
Segment Reporting Information
Rental revenues	22,438	21,430
Rental expenses	3,564	3,501
Real estate taxes	2,207	2,238
Interest expense	2,100	2,000
Retail Real Estate \| Operating Segments
Segment Reporting Information
Segment gross profit	16,667	15,691
Multifamily Real Estate
Segment Reporting Information
Rental revenues	14,206	16,182
Rental expenses	4,293	5,028
Real estate taxes	1,110	1,662
Interest expense	2,600	3,200
Multifamily Real Estate \| Operating Segments
Segment Reporting Information
Segment gross profit	8,803	9,492
General Contracting and Real Estate Services
Segment Reporting Information
General contracting and real estate services revenues	84,238	24,650
General contracting and real estate services expenses	81,170	23,821
General Contracting and Real Estate Services \| Operating Segments
Segment Reporting Information
Segment gross profit	3,068	829
Real Estate Financing
Segment Reporting Information
Interest income	3,536	3,459
Interest expense	1,097	825
Real Estate Financing \| Operating Segments
Segment Reporting Information
Segment gross profit	$ 2,439	$ 2,634

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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