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(APB) -Number 12 -Paragraph 10 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 falsefalseIssuance of common stock - payment of dividend (22,256,121 and 4,923,287 common shares for the three months ended March 31, 2011 and 2010 respectively)15false0us-gaap_StockIssuedDuringPeriodValueStockOptionsExercisedus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3truefalsefalse6700067falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14truefalsefalse6700067falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryValue stock issued during the period as a result of the exercise of stock options.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 falsefalseStock options exercised (12,391 common shares)16false0us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeituresus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse-2000-2falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3truefalsefalse28750002875falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14truefalsefalse28730002873falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryValue of stock related to Restricted Stock Awards issued during the period, net of the stock value of such awards forfeited.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b falsefalseRestricted stock grants, net of forfeitures and compensation expense ((105,914) and 7,007 common shares for the three months ended March 31, 2011 and 2010 respectively)17false0ggp_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseEquityStatementggpfalsecreditdurationThe comprehensive income or loss for the period, as presented on the statement of equity.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7truefalsefalse201000201falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14truefalsefalse201000201falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe comprehensive income or loss for the period, as presented on the statement of equity.No authoritative reference available.falsefalseOther comprehensive income (loss)18false0us-gaap_DistributionMadeToMemberOrLimitedPartnerCashDistributionus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5truefalsefalse-96409000-96409falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14truefalsefalse-96409000-96409falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryCash dividends declared or paid to a common shareholder or unit-holder by LLC or LP.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 201 -Paragraph c -Subparagraph 1, 2 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Concepts (CON) -Number 5 -Paragraph 55, 56, 57 falsefalseCash distributions declared ($0.10 per share)19false0ggp_AdjustmentsToAdditionalPaidInCapitalCashRedemptionsForCommonStockInExcessCarryingValueggpfalsecreditdurationRepresents the redemptions made by the reporting entity for common units in cash in excess of carrying value of the said...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3truefalsefalse-593000-593falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14truefalsefalse-593000-593falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryRepresents the redemptions made by the reporting entity for common units in cash in excess of carrying value of the said units.No authoritative reference available.falsefalseCash redemptions for common units in excess of carrying value20false0ggp_NoncontrollingInterestInOperatingPartnershipPeriodIncreaseDecreaseggpfalsecreditdurationNet increase (decrease) in balance of noncontrolling interest in operating partnership during the period.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3truefalsefalse106000106falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14truefalsefalse106000106falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNet increase (decrease) in balance of noncontrolling interest in operating partnership during the period.No authoritative reference available.falsefalseAdjustment for noncontrolling interest in operating partnership21false0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestus-gaaptruecreditinstantNo definition available.falsefalsefalsetruefalsefalsefalsefalsetruefalseperiodendlabelinstant2011-03-31T00:00:000001-01-01T00:00:001truefalsefalse96400009640falsetruefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3truefalsefalse1068379700010683797falsetruefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5truefalsefalse-702801000-702801falsetruefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8truefalsefalse373000373falsetruefalsetruefalse9falsefalsefalse00  falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11truefalsefalse9740900097409falsetruefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14truefalsefalse1008841800010088418falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal of Stockholders' Equity (deficit) items, net of receivables from officers, directors owners, and affiliates of the entity including portions attributable to both the parent and noncontrolling interests (previously referred to as minority interest), if any. The entity including portions attributable to the parent and noncontrolling interests is sometimes referred to as the economic entity. This excludes temporary equity and is sometimes called permanent equity.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 25 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 26 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A3 -Appendix A falsefalseBalance at Mar. 31, 20111421CONSOLIDATED STATEMENTS OF EQUITY (USD $)ThousandsUnKnownUnKnownUnKnownfalsetrue