Operating Segments - Profit by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Revenues	$ 7,787	$ 11,828
Total profit from segments	(4,495)	(3,002)
Operating segments
Segment Reporting Information [Line Items]
Total profit from segments	3,453	4,529
Operating segments | Multifamily Segment
Segment Reporting Information [Line Items]
Revenues	3,229	3,836
Operating expenses	(1,721)	(2,123)
Profit from segment	1,508	1,713
Operating segments | Commercial Segment
Segment Reporting Information [Line Items]
Revenues	4,252	6,525
Operating expenses	(2,307)	(3,709)
Profit from segment	$ 1,945	$ 2,816