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Equity - Reconciliation of Changes in Equity (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |
Beginning balance | $ 709,742 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |
Consolidated net income (loss) | (8,237)us-gaap_ProfitLoss | 9,007 us-gaap_ProfitLoss
Distributions to noncontrolling interests | (338)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders |
Other (primarily share-based compensation) | 2,222 us-gaap_AdjustmentsToAdditionalPaidInCapitalOther |
Ending balance | 703,389 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |
Forestar Group Inc. [Member] |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |
Beginning balance | 707,202 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
Consolidated net income (loss) | (8,158)us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
Distributions to noncontrolling interests | 0 us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
Other (primarily share-based compensation) | 2,222 us-gaap_AdjustmentsToAdditionalPaidInCapitalOther / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
Ending balance | 701,266 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
Noncontrolling Interest [Member] |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |
Beginning balance | 2,540 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
Consolidated net income (loss) | (79)us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
Distributions to noncontrolling interests | (338)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
Other (primarily share-based compensation) | 0 us-gaap_AdjustmentsToAdditionalPaidInCapitalOther / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
Ending balance | $ 2,123 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |

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- Definition Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=51664549&loc=SL4569616-111683 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591552-111686 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591551-111686 + Details
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