Variable Interest Entities (Details) $ in Thousands	Nov. 30, 2020 USD ($) joint_venture	Nov. 30, 2019 USD ($) joint_venture
Variable Interest Entity [Line Items]
Cash deposits	$ 54,634	$ 75,186
Aggregate purchase price	1,418,429	1,423,519
Acquisition costs related to land option contracts and other similar contracts	31,100	32,800
Increase in inventories and accrued expenses and other liabilities	$ 19,400	$ 12,200
Unconsolidated VIEs
Variable Interest Entity [Line Items]
Number of investments in unconsolidated joint ventures | joint_venture	1	1
Cash deposits	$ 20,962	$ 34,595
Aggregate purchase price	910,495	823,427
Other land option contracts and other similar contracts
Variable Interest Entity [Line Items]
Cash deposits	33,672	40,591
Aggregate purchase price	$ 507,934	$ 600,092