2.4.0.81055 - Disclosure - Variable Interest Entities - Summary of Changes in Liabilities of Consolidated VIEs (Detail)truefalseIn Thousands, unless otherwise specifiedfalse1false USDfalsefalse$eol_PE756155--1310-Q0009_STD_94_20130630_0http://www.sec.gov/CIK0001411494duration2013-03-29T00:00:002013-06-30T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$eol_PE756155--1310-Q0009_STD_91_20120630_0http://www.sec.gov/CIK0001411494duration2012-04-01T00:00:002012-06-30T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDfalsefalse$eol_PE756155--1310-Q0009_STD_181_20130630_0http://www.sec.gov/CIK0001411494duration2013-01-01T00:00:002013-06-30T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4false USDfalsefalse$eol_PE756155--1310-Q0009_STD_182_20120630_0http://www.sec.gov/CIK0001411494duration2012-01-01T00:00:002012-06-30T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 3us-gaap_VariableInterestEntityLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Variable Interest Entity [Line Items]2false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarningsus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse9100000091000USD$falsetruefalse2falsefalsefalse00falsefalsefalse3truefalsefalse8339700083397USD$falsetruefalse4falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Net realized gains on debt3false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncomeus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-68013000-68013USD$falsefalsefalse2truefalsefalse-14247000-14247USD$falsefalsefalse3truefalsefalse-156249000-156249USD$falsefalsefalse4truefalsefalse-102825000-102825USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Changes in net unrealized losses from debt4false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5false USDtruefalse$eol_PE756155--1310-Q0009_STD_94_20130630_0_929790x929831http://www.sec.gov/CIK0001411494duration2013-03-29T00:00:002013-06-30T00:00:00falsefalseLevel III [Member]us-gaap_FairValueByFairValueHierarchyLevelAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_FairValueInputsLevel3Memberus-gaap_FairValueByFairValueHierarchyLevelAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Level III [Member]5true 3us-gaap_VariableInterestEntityLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Variable Interest Entity [Line Items]6false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValueus-gaap_truecreditinstantfalsefalsefalsefalsefalsetruefalsefalseperiodStartLabel1truefalsefalse1134733200011347332USD$falsefalsefalse2truefalsefalse37005360003700536USD$falsefalsefalse3truefalsefalse1183495500011834955USD$falsefalsefalse4truefalsefalse31898370003189837USD$falsefalsefalsexbrli:monetaryItemTypemonetaryFair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Balance, Beginning of Period7false 4apo_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisAcquisitionOfVariableInterestEntityLiabilitiesapo_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2truefalsefalse73171440007317144USD$falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse73171440007317144USD$falsefalsefalsexbrli:monetaryItemTypemonetaryFair value measurement with unobservable inputs acquisition adjustments related to asset relating to consolidation of variable interest entity liabilities.No definition available.false2Acquisition of VIEs8false 4apo_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisBorrowingsapo_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2truefalsefalse503848000503848USD$falsefalsefalse3truefalsefalse332250000332250USD$falsefalsefalse4truefalsefalse929532000929532USD$falsefalsefalsexbrli:monetaryItemTypemonetaryBorrowings.No definition available.false2Borrowings9false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlementsus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse-508400000-508400USD$falsefalsefalse2truefalsefalse-243343000-243343USD$falsefalsefalse3truefalsefalse-1420175000-1420175USD$falsefalsefalse4truefalsefalse-246134000-246134USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Repayments10false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarningsus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse-91000000-91000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse-83397000-83397USD$falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Net realized gains on debt11false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncomeus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse6801300068013USD$falsefalsefalse2truefalsefalse1424700014247USD$falsefalsefalse3truefalsefalse156249000156249USD$falsefalsefalse4truefalsefalse102825000102825USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Changes in net unrealized losses from debt12false 4apo_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisEliminationOfEquityInvestmentapo_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse1932600019326USD$falsefalsefalse2truefalsefalse-59772000-59772USD$falsefalsefalse3truefalsefalse1538900015389USD$falsefalsefalse4truefalsefalse-60544000-60544USD$falsefalsefalsexbrli:monetaryItemTypemonetaryFair value measurement with unobservable inputs reconciliation recurring basis elimination of equity investment.No definition available.false2Elimination of debt attributable to consolidated VIEs13false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValueus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsetruefalseperiodEndLabel1truefalsefalse1083527100010835271USD$falsefalsefalse2truefalsefalse1123266000011232660USD$falsefalsefalse3truefalsefalse1083527100010835271USD$falsefalsefalse4truefalsefalse1123266000011232660USD$falsefalsefalsexbrli:monetaryItemTypemonetaryFair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Balance, End of Period14false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecreaseus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-17662000-17662USD$falsetruefalse2truefalsefalse84560008456USD$falsetruefalse3truefalsefalse7521400075214USD$falsetruefalse4truefalsefalse9302100093021USD$falsetruefalsexbrli:monetaryItemTypemonetaryAmount of increase (decrease) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Changes in net unrealized (gains) losses included in Net (Losses) Gains from Investment Activities of consolidated VIEs related to liabilities still held at reporting datefalseVariable Interest Entities - Summary of Changes in Liabilities of Consolidated VIEs (Detail) (USD $)ThousandsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.agm.com/taxonomy/role/DisclosureVariableInterestEntitiesSummaryOfChangesInLiabilitiesOfConsolidatedVies414