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Restricted Stock, Stock Options and Other Stock Plans - Summary of Consolidated Balance Sheets and Statements of Operations Line Items for Stock-Based Compensation (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share based compensation cost capitalized, expensed	$ 177	$ 134	$ 594	$ 340
Cost of sales - Real Estate Services
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share based compensation cost capitalized, expensed	0	23	0	61
Expense - General and administrative
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share based compensation cost capitalized, expensed	$ 177	$ 111	$ 594	$ 279

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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