Joint Ventures - Additional Information (Detail) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2021 USD ($) lot joint_venture	Dec. 31, 2020 USD ($) lot joint_venture	Dec. 31, 2021 USD ($) lot joint_venture	Dec. 31, 2020 USD ($) lot joint_venture	Dec. 31, 2019 USD ($)
Joint Ventures [Line Items]
Aggregate investment	$ 20,300	$ 23,600	$ 20,300	$ 23,600
Number of joint ventures | joint_venture	4	4	4	4
Expected production of finished lots | lot	2,300	5,200	2,300	5,200
Total lots controlled by company under the joint venture | lot	1,900	2,200	1,900	2,200
Total lots either under contract with unrelated parties or not under the current contract | lot	400	3,000	400	3,000
Additional funding commitments in the aggregate	$ 2,500	$ 3,100	$ 2,500	$ 3,100
Number of joint ventures with additional funding commitment | joint_venture		1		1
Equity Method Investment, Realized Gain (Loss) on Disposal		$ 5,000
Distribution of capital from unconsolidated joint ventures			0	$ 11,625	$ 8,247
ProceedsFromEquityMethodInvestmentDividendsOrDistributionsTotalDistribution		13,100
Equity Method Investment, Other than Temporary Impairment	1,300
Other Assets
Joint Ventures [Line Items]
Aggregate investment	$ 20,300	$ 23,600	$ 20,300	$ 23,600