Segment Disclosures - Segment Reporting Information (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Gross revenue	$ 6,966	$ 4,882
Gross profit (loss)	953	721
Net income (loss)	(12)	85
Total assets	22,790		$ 19,933
Continued Operations [Member]
Segment Reporting Information [Line Items]
Total assets	22,790	4,879
Asset Management [Member]
Segment Reporting Information [Line Items]
Gross revenue	5,435	4,154
Gross profit (loss)	803	487
Net income (loss)	284	385
Asset Management [Member] \| Continued Operations [Member]
Segment Reporting Information [Line Items]
Total assets	19,661	1,808
Real Estate Services [Member]
Segment Reporting Information [Line Items]
Gross revenue	1,531	728
Gross profit (loss)	150	234
Net income (loss)	(296)	(300)
Real Estate Services [Member] \| Continued Operations [Member]
Segment Reporting Information [Line Items]
Total assets	$ 3,129	$ 3,071

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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