Supplemental Disclosure to Consolidated Statements of Cash Flow - Supplemental Disclosure to Consolidated Statements of Cash Flows (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Supplemental disclosure of cash flow information:
Interest	$ 42,969us-gaap_InterestPaid	$ 18,811us-gaap_InterestPaid	$ 26,763us-gaap_InterestPaid
Income taxes	43,005us-gaap_IncomeTaxesPaidNet	(10,521)us-gaap_IncomeTaxesPaidNet	(20,744)us-gaap_IncomeTaxesPaidNet
Supplemental disclosures of noncash activities:
Increase in real estate inventory due to distribution of land from an unconsolidated joint venture	5,052
Distribution to Weyerhaeuser of excluded assets and liabilities	126,687
Amounts owed to Weyerhaeuser related to the tax sharing agreement	15,688
Noncash settlement of debt payable to Weyerhaeuser	70,082us-gaap_NotesReduction
Amortization of senior note discount	804
Effect of net consolidation and de-consolidation of variable interest entities:
Increase (decrease) in consolidated real estate inventory not owned	6,343	(7,411)	39,057
Increase (decrease) in deposits on real estate under option or contract and other assets	780	3,005	(4,511)
Increase in debt held by variable interest entities			7,293
(Increase) decrease in noncontrolling interests	(7,123)	4,406	(41,839)
Merger:
Fair value of assets, excluding cash acquired	724,995
Liabilities assumed	$ 276,347

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Increase (decrease) in deposits on real estate under option or contract and other assets.

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Increase in real estate inventory due to distribution of land from an unconsolidated joint venture.

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Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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The amount of cash paid for interest during the period.

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The value of an asset or business acquired in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The value of notes retired (or transferred to another entity) in noncash investing or financing transactions.

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The amount of any current tax-related balances due to affiliates as of the date of each statement of financial position presented.

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