Supplemental Disclosure to Consolidated Statement of Cash Flow - Supplemental Disclosure to Consolidated Statement of Cash Flows (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Supplemental disclosure of cash flow information:
Interest paid (capitalized), net	$ (5,660)	$ 19,548	$ (18,274)
Income taxes	154,730	102,149	74,388
Supplemental disclosures of noncash activities:
Accrued liabilities related to the purchase of operating properties and equipment	0	685	0
Amortization of senior note discount capitalized to real estate inventory	1,570	2,112	2,048
Amortization of deferred loan costs capitalized to real estate inventory	4,148	5,927	5,578
Increase in other assets related to adoption of ASC 606	0	39,534	0
Effect of net consolidation and de-consolidation of variable interest entities:
Decrease in consolidated real estate inventory not owned	0	0	(17,485)
Increase in noncontrolling interests	$ 0	$ 0	$ 17,485