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Mergers and Acquisitions (Detail) (USD $)
 12 Months Ended 0 Months Ended 1 Months Ended 0 Months Ended
Dec. 31, 2013
Property
Dec. 31, 2012
Property
Dec. 31, 2011
Nov. 12, 2013
Feb. 28, 2013
Jun. 28, 2013
Property
Jun. 27, 2013
Property
Nov. 05, 2013
Jan. 03, 2014
Jul. 24, 2013
Property
Jan. 08, 2014
Oct. 01, 2013
Property
Feb. 07, 2014
Feb. 28, 2014
Aug. 08, 2013
Property
Company
Apr. 04, 2014
Sep. 15, 2013
Feb. 26, 2015
Business Acquisition [Line Items]                                    
Common stock, issued 239,234,725us-gaap_CommonStockSharesIssued [1] 184,553,676us-gaap_CommonStockSharesIssued [1]                                
Number of properties acquired 1,739us-gaap_NumberOfBusinessesAcquired [2] 573us-gaap_NumberOfBusinessesAcquired                                
Real Estate Investment, Aggregate Purchase Price $ 7,392,610,000arcp_RealEstateInvestmentAggregatePurchasePrice [3],[4]                                  
Real Estate Investment Property, at Cost 7,459,142,000us-gaap_RealEstateInvestmentPropertyAtCost [1] 1,875,615,000us-gaap_RealEstateInvestmentPropertyAtCost [1]                                
Common stock, par value $ 0.01us-gaap_CommonStockParOrStatedValuePerShare [1] $ 0.01us-gaap_CommonStockParOrStatedValuePerShare [1]                           $ 0.01us-gaap_CommonStockParOrStatedValuePerShare $ 0.01us-gaap_CommonStockParOrStatedValuePerShare  
Shares issued (in shares) 47,161,562us-gaap_StockIssuedDuringPeriodSharesNewIssues [5],[6] 3,737,500us-gaap_StockIssuedDuringPeriodSharesNewIssues [5],[7] 7,147,034us-gaap_StockIssuedDuringPeriodSharesNewIssues [5],[8]                              
Stock Issued During Period, Value, New Issues 2,392,000us-gaap_CommonStockValue [1] 1,846,000us-gaap_CommonStockValue [1]                                
Subsequent Event [Member]                                    
Business Acquisition [Line Items]                                    
Real Estate Investment, Aggregate Purchase Price                                   17,860,802,000arcp_RealEstateInvestmentAggregatePurchasePrice
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		 [3],[4]
Common Stock [Member]                                    
Business Acquisition [Line Items]                                    
Conversion of Stock, Shares Converted       1,400,000us-gaap_ConversionOfStockSharesConverted1
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonStockMember		                            
ARCT III [Member]                                    
Business Acquisition [Line Items]                                    
Convertible stock issued during period, shares         95.00%arcp_BusinessCombinationConsiderationTransferredEquityInterestsIssuedandIssuableConversionPercentagePerShare
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIIIMember		                          
Common stock, par value $ 0.01us-gaap_CommonStockParOrStatedValuePerShare
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIIIMember		                                  
Shares issued (in shares)   155,700,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIIIMember		 9,800,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIIIMember		                              
ARCT III [Member] | Op Units [Member]                                    
Business Acquisition [Line Items]                                    
Convertible stock issued during period, shares         95.00%arcp_BusinessCombinationConsiderationTransferredEquityInterestsIssuedandIssuableConversionPercentagePerShare
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIIIMember
/ us-gaap_StatementClassOfStockAxis
= arcp_OpUnitsMember		                          
ARCP Merger [Member] | Common Stock [Member] | American Realty Capital III Special Limited Partnership, LLC [Member] | Entity Wholly Owned By Sponsor [Member]                                    
Business Acquisition [Line Items]                                    
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest, Issuance of Units         7,300,000arcp_LimitedLiabilityCompanyLlcOrLimitedPartnershipLpMembersOrLimitedPartnersOwnershipInterestIssuanceOfUnits
/ us-gaap_BusinessAcquisitionAxis
= arcp_ArcpMergerMember
/ dei_LegalEntityAxis
= arcp_AmericanRealtyCapitalIiiSpecialLimitedPartnershipLlcMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= arcp_EntityWhollyOwnedBySponsorMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonStockMember		                          
Units Minimum Holding Period 1 year                                  
GE Capital Portfolio [Member]                                    
Business Acquisition [Line Items]                                    
Number of properties acquired           447us-gaap_NumberOfBusinessesAcquired
/ us-gaap_BusinessAcquisitionAxis
= arcp_GECapitalPortfolioMember		                        
GE Capital Portfolio [Member] | Property Subject to Operating Lease [Member]                                    
Business Acquisition [Line Items]                                    
Number of properties acquired           409us-gaap_NumberOfBusinessesAcquired
/ us-gaap_BusinessAcquisitionAxis
= arcp_GECapitalPortfolioMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_PropertySubjectToOperatingLeaseMember		                        
GE Capital Portfolio [Member] | Direct Financing Lease [Member]                                    
Business Acquisition [Line Items]                                    
Number of properties acquired           50us-gaap_NumberOfBusinessesAcquired
/ us-gaap_BusinessAcquisitionAxis
= arcp_GECapitalPortfolioMember
/ us-gaap_StatementBusinessSegmentsAxis
= arcp_DirectFinancingLeaseMember		 38us-gaap_NumberOfBusinessesAcquired
/ us-gaap_BusinessAcquisitionAxis
= arcp_GECapitalPortfolioMember
/ us-gaap_StatementBusinessSegmentsAxis
= arcp_DirectFinancingLeaseMember		                      
GE Capital Portfolio [Member] | ARCP IV [Member]                                    
Business Acquisition [Line Items]                                    
Number of properties acquired 924us-gaap_NumberOfBusinessesAcquired
/ us-gaap_BusinessAcquisitionAxis
= arcp_GECapitalPortfolioMember
/ dei_LegalEntityAxis
= arcp_ARCPIVMember		                                  
Real Estate Investment, Aggregate Purchase Price 1,400,000,000arcp_RealEstateInvestmentAggregatePurchasePrice
/ us-gaap_BusinessAcquisitionAxis
= arcp_GECapitalPortfolioMember
/ dei_LegalEntityAxis
= arcp_ARCPIVMember		                                  
GE Capital Portfolio [Member] | ARCP IV [Member] | Property Subject to Operating Lease [Member]                                    
Business Acquisition [Line Items]                                    
Number of properties acquired 912us-gaap_NumberOfBusinessesAcquired
/ us-gaap_BusinessAcquisitionAxis
= arcp_GECapitalPortfolioMember
/ dei_LegalEntityAxis
= arcp_ARCPIVMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_PropertySubjectToOperatingLeaseMember		                                  
GE Capital Portfolio [Member] | ARCP IV [Member] | Direct Financing Lease [Member]                                    
Business Acquisition [Line Items]                                    
Number of properties acquired 12us-gaap_NumberOfBusinessesAcquired
/ us-gaap_BusinessAcquisitionAxis
= arcp_GECapitalPortfolioMember
/ dei_LegalEntityAxis
= arcp_ARCPIVMember
/ us-gaap_StatementBusinessSegmentsAxis
= arcp_DirectFinancingLeaseMember		                                  
Portfolio Acquisitions [Member]                                    
Business Acquisition [Line Items]                                    
Real Estate Investment, Aggregate Purchase Price             773,900,000arcp_RealEstateInvestmentAggregatePurchasePrice
/ us-gaap_BusinessAcquisitionAxis
= arcp_PortfolioAcquisitionsMember		                      
CapLease [Member]                                    
Business Acquisition [Line Items]                                    
Cash               920,700,000us-gaap_PaymentsToAcquireBusinessesGross
/ us-gaap_BusinessAcquisitionAxis
= arcp_CapLeaseMember		                    
ARCT IV / ARCP Merger [Member]                                    
Business Acquisition [Line Items]                                    
Common stock, issued 0.01us-gaap_CommonStockSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember		                                  
Shares issued (in shares) 31,000,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember		 5,400,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember		                                
ARCT IV / ARCP Merger [Member] | Subsequent Event [Member]                                    
Business Acquisition [Line Items]                                    
Cash                 651,400,000us-gaap_PaymentsToAcquireBusinessesGross
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		                  
ARCT IV / ARCP Merger [Member] | American Realty Capital Advisors III LLC [Member] | Advisor [Member] | Subsequent Event [Member] | Pre-tax Non-compounded Return on Capital Contribution [Member] | Annual Targeted Investor Return [Member]                                    
Business Acquisition [Line Items]                                    
Related Party Transaction, Cumulative Capital Investment Return                 358,300,000arcp_RelatedPartyTransactionCumulativeCapitalInvestmentReturn
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ dei_LegalEntityAxis
= arcp_AmericanRealtyCapitalAdvisorsIiiLlcMember
/ arcp_RelatedPartyFeesByBenchmarkAxis
= arcp_PreTaxNonCompoundedReturnOnCapitalContributionMember
/ arcp_RelatedPartyTransactionsByCostAxis
= arcp_AnnualTargetedInvestorReturnMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= arcp_AdvisorMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		                  
Related Party Transaction, Cumulative Capital Investment Return, as a Percentage of Benchmark                 6.00%arcp_RelatedPartyTransactionCumulativeCapitalInvestmentReturnAsPercentageOfBenchmark
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ dei_LegalEntityAxis
= arcp_AmericanRealtyCapitalAdvisorsIiiLlcMember
/ arcp_RelatedPartyFeesByBenchmarkAxis
= arcp_PreTaxNonCompoundedReturnOnCapitalContributionMember
/ arcp_RelatedPartyTransactionsByCostAxis
= arcp_AnnualTargetedInvestorReturnMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= arcp_AdvisorMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		                  
ARCT IV / ARCP Merger [Member] | American Realty Capital Real Estate Partners, LLC [Member] | Subsequent Event [Member]                                    
Business Acquisition [Line Items]                                    
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares                 100,000us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ dei_LegalEntityAxis
= arcp_AmericanRealtyCapitalRealEstatePartnersLLCMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		                  
ARCT IV / ARCP Merger [Member] | Op Units [Member] | Subsequent Event [Member]                                    
Business Acquisition [Line Items]                                    
Units Minimum Holding Period                 2 years                  
Conversion of Stock, Shares Converted                 6,700,000us-gaap_ConversionOfStockSharesConverted1
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ us-gaap_StatementClassOfStockAxis
= arcp_OpUnitsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		                  
ARCT IV / ARCP Merger [Member] | Op Units [Member] | ARCP [Member] | Subsequent Event [Member]                                    
Business Acquisition [Line Items]                                    
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares                 600,000us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ dei_LegalEntityAxis
= arcp_ArcpMember
/ us-gaap_StatementClassOfStockAxis
= arcp_OpUnitsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		                  
ARCT IV / ARCP Merger [Member] | Common Stock [Member] | Subsequent Event [Member]                                    
Business Acquisition [Line Items]                                    
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares                 36,900,000us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		                  
ARCT IV / ARCP Merger [Member] | Common Stock [Member] | American Realty Capital III Special Limited Partnership, LLC [Member] | Entity Wholly Owned By Sponsor [Member] | Subsequent Event [Member] | Post-Conversion [Member]                                    
Business Acquisition [Line Items]                                    
Subordinated Distributions of Net Sale Proceeds                 63,200,000arcp_SubordinatedDistributionsofNetSaleProceeds
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ dei_LegalEntityAxis
= arcp_AmericanRealtyCapitalIiiSpecialLimitedPartnershipLlcMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= arcp_EntityWhollyOwnedBySponsorMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonStockMember
/ arcp_StatusAxis
= arcp_PostConversionMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		                  
ARCT IV / ARCP Merger [Member] | Common Stock [Member] | ARCP [Member] | Subsequent Event [Member]                                    
Business Acquisition [Line Items]                                    
Business Acquisition, Equity Interest Issued or Issuable, Per Share Conversion Rate                 $ 0.5190arcp_BusinessAcquisitionEquityInterestIssuedorIssuablePerShareConversionRate
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ dei_LegalEntityAxis
= arcp_ArcpMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		                  
ARCT IV / ARCP Merger [Member] | Series F Preferred Stock [Member]                                    
Business Acquisition [Line Items]                                    
Percentage of Stock, Designated Cumulative Preferred Stock                 6.70%arcp_PercentageofStockDesignatedCumulativePreferredStock
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesFPreferredStockMember		                  
ARCT IV / ARCP Merger [Member] | Series F Preferred Stock [Member] | Subsequent Event [Member]                                    
Business Acquisition [Line Items]                                    
Percentage of Stock, Designated Cumulative Preferred Stock                 6.70%arcp_PercentageofStockDesignatedCumulativePreferredStock
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesFPreferredStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		                  
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares                 42,200,000us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesFPreferredStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		                  
ARCT IV / ARCP Merger [Member] | Series F Preferred Stock [Member] | ARCP [Member] | Subsequent Event [Member]                                    
Business Acquisition [Line Items]                                    
Business Acquisition, Equity Interest Issued or Issuable, Per Share Conversion Rate                 $ 0.5937arcp_BusinessAcquisitionEquityInterestIssuedorIssuablePerShareConversionRate
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ dei_LegalEntityAxis
= arcp_ArcpMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesFPreferredStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		                  
ARCT IV / ARCP Merger [Member] | Series F Preferred Stock [Member] | ARCP IV [Member] | Subsequent Event [Member]                                    
Business Acquisition [Line Items]                                    
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares                 700,000us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ dei_LegalEntityAxis
= arcp_ARCPIVMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesFPreferredStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		                  
ARCT IV / ARCP Merger [Member] | Class B Units [Member] | ARCP [Member] | Subsequent Event [Member]                                    
Business Acquisition [Line Items]                                    
Business Acquisition, Equity Interest Issued or Issuable, Per Share Conversion Rate                 $ 2.3961arcp_BusinessAcquisitionEquityInterestIssuedorIssuablePerShareConversionRate
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ dei_LegalEntityAxis
= arcp_ArcpMember
/ us-gaap_StatementClassOfStockAxis
= arcp_ClassBUnitsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		                  
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares                 1,200,000us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ dei_LegalEntityAxis
= arcp_ArcpMember
/ us-gaap_StatementClassOfStockAxis
= arcp_ClassBUnitsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		                  
ARCT IV / ARCP Merger [Member] | Class B Units [Member] | American Realty Capital Real Estate Partners, LLC [Member] | Subsequent Event [Member]                                    
Business Acquisition [Line Items]                                    
Business Combination, Consideration Transferred                 750,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ dei_LegalEntityAxis
= arcp_AmericanRealtyCapitalRealEstatePartnersLLCMember
/ us-gaap_StatementClassOfStockAxis
= arcp_ClassBUnitsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		                  
ARCT IV / ARCP Merger [Member] | Series F OP Units [Member] | ARCP [Member] | Subsequent Event [Member]                                    
Business Acquisition [Line Items]                                    
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares                 700,000us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ dei_LegalEntityAxis
= arcp_ArcpMember
/ us-gaap_StatementClassOfStockAxis
= arcp_SeriesFOPUnitsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		                  
Fortress Portfolio [Member]                                    
Business Acquisition [Line Items]                                    
Number of Real Estate Properties                   196arcp_NumberofPropertiestobeAcquired
/ us-gaap_BusinessAcquisitionAxis
= arcp_FortressPortfolioMember		                
Real Estate Investment Property, at Cost                   972,500,000us-gaap_RealEstateInvestmentPropertyAtCost
/ us-gaap_BusinessAcquisitionAxis
= arcp_FortressPortfolioMember		                
Business Acquisition, Cash in Escrow 72,200,000arcp_BusinessAcquisitionCashinEscrow
/ us-gaap_BusinessAcquisitionAxis
= arcp_FortressPortfolioMember		                                  
Fortress Portfolio [Member] | Subsequent Event [Member]                                    
Business Acquisition [Line Items]                                    
Business Combination, Consideration Transferred                     400,900,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= arcp_FortressPortfolioMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		              
Real Estate Investment Property, at Cost                     601,200,000us-gaap_RealEstateInvestmentPropertyAtCost
/ us-gaap_BusinessAcquisitionAxis
= arcp_FortressPortfolioMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		              
ARCP Fortress Portfolio [Member]                                    
Business Acquisition [Line Items]                                    
Number of properties acquired                       41us-gaap_NumberOfBusinessesAcquired
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCPFortressPortfolioMember		            
Number of Real Estate Properties                   120arcp_NumberofPropertiestobeAcquired
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCPFortressPortfolioMember		                
Real Estate Investment Property, at Cost                       200,300,000us-gaap_RealEstateInvestmentPropertyAtCost
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCPFortressPortfolioMember		            
ARCP Fortress Portfolio [Member] | Subsequent Event [Member]                                    
Business Acquisition [Line Items]                                    
Number of Real Estate Properties                     79arcp_NumberofPropertiestobeAcquired
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCPFortressPortfolioMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		              
Cole Merger [Member] | Subsequent Event [Member]                                    
Business Acquisition [Line Items]                                    
Business Combination, Consideration Transferred                         7,467,643,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= arcp_ColeMergerMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		 8,700,000,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= arcp_ColeMergerMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		        
Cash                         181,775,000us-gaap_PaymentsToAcquireBusinessesGross
/ us-gaap_BusinessAcquisitionAxis
= arcp_ColeMergerMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		          
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares                         400,000us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= arcp_ColeMergerMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		          
Business Acquisition, Percentage of Voting Interests Acquired                         98.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
/ us-gaap_BusinessAcquisitionAxis
= arcp_ColeMergerMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		          
Percent of Voting Interests That Received Cash                         2.00%arcp_PercentofVotingInterestsThatReceivedCash
/ us-gaap_BusinessAcquisitionAxis
= arcp_ColeMergerMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		          
Stock Issued During Period, Value, New Issues                         520,800,000us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_BusinessAcquisitionAxis
= arcp_ColeMergerMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		          
Shares issued (in shares)                         2,800,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_BusinessAcquisitionAxis
= arcp_ColeMergerMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		          
Stock Issued During Period, Value, New Issues                         520,800,000us-gaap_CommonStockValue
/ us-gaap_BusinessAcquisitionAxis
= arcp_ColeMergerMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		          
ARCP Inland Portfolio [Member]                                    
Business Acquisition [Line Items]                                    
Business Combination, Consideration Transferred                             501,000,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCPInlandPortfolioMember		      
Number of Real Estate Properties 5arcp_NumberofPropertiestobeAcquired
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCPInlandPortfolioMember		                           33arcp_NumberofPropertiestobeAcquired
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCPInlandPortfolioMember		      
Real Estate Investment Property, at Cost 56,400,000us-gaap_RealEstateInvestmentPropertyAtCost
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCPInlandPortfolioMember		                           2,300,000,000us-gaap_RealEstateInvestmentPropertyAtCost
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCPInlandPortfolioMember		      
Business Acquisition, Cash in Escrow 28,600,000arcp_BusinessAcquisitionCashinEscrow
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCPInlandPortfolioMember		                                  
Number of Companies                             67arcp_NumberOfCompanies
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCPInlandPortfolioMember		      
ARCP Inland Portfolio [Member] | Subsequent Event [Member]                                    
Business Acquisition [Line Items]                                    
Number of Real Estate Properties                         27arcp_NumberofPropertiestobeAcquired
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCPInlandPortfolioMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		          
ARCP Inland Portfolio [Member] | ARCP [Member]                                    
Business Acquisition [Line Items]                                    
Number of Companies                             10arcp_NumberOfCompanies
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCPInlandPortfolioMember
/ dei_LegalEntityAxis
= arcp_ArcpMember		      
Special Limited Partner [Member] | ARCT IV / ARCP Merger [Member] | ARCP IV [Member] | Subsequent Event [Member]                                    
Business Acquisition [Line Items]                                    
Business Acquisition, Equity Interest Issued or Issuable, Per Share Conversion Rate                 $ 22.50arcp_BusinessAcquisitionEquityInterestIssuedorIssuablePerShareConversionRate
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ dei_LegalEntityAxis
= arcp_ARCPIVMember
/ us-gaap_PartnerTypeOfPartnersCapitalAccountAxis
= arcp_SpecialLimitedPartnerMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		                  
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares                 2,800,000us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ dei_LegalEntityAxis
= arcp_ARCPIVMember
/ us-gaap_PartnerTypeOfPartnersCapitalAccountAxis
= arcp_SpecialLimitedPartnerMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		                  
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned                 78,200,000us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ dei_LegalEntityAxis
= arcp_ARCPIVMember
/ us-gaap_PartnerTypeOfPartnersCapitalAccountAxis
= arcp_SpecialLimitedPartnerMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		                  
Cash [Member] | CapLease [Member] | Op Units [Member]                                    
Business Acquisition [Line Items]                                    
Convertible stock issued during period, value               $ 8.50arcp_AmountOfCash
/ us-gaap_BusinessAcquisitionAxis
= arcp_CapLeaseMember
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= us-gaap_CashMember
/ us-gaap_StatementClassOfStockAxis
= arcp_OpUnitsMember		                    
Cash [Member] | CapLease [Member] | Common Stock [Member]                                    
Business Acquisition [Line Items]                                    
Convertible stock issued during period, value               $ 8.50arcp_AmountOfCash
/ us-gaap_BusinessAcquisitionAxis
= arcp_CapLeaseMember
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= us-gaap_CashMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonStockMember		                    
Cash [Member] | CapLease [Member] | Preferred Stock [Member]                                    
Business Acquisition [Line Items]                                    
Convertible stock issued during period, value               $ 25.00arcp_AmountOfCash
/ us-gaap_BusinessAcquisitionAxis
= arcp_CapLeaseMember
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= us-gaap_CashMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_PreferredStockMember		                    
Cash [Member] | CapLease [Member] | Restricted Stock [Member]                                    
Business Acquisition [Line Items]                                    
Convertible stock issued during period, value               $ 8.50arcp_AmountOfCash
/ us-gaap_BusinessAcquisitionAxis
= arcp_CapLeaseMember
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= us-gaap_CashMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RestrictedStockMember		                    
Cash [Member] | ARCT IV / ARCP Merger [Member] | Subsequent Event [Member]                                    
Business Acquisition [Line Items]                                    
Convertible stock issued during period, value                 $ 9.00arcp_AmountOfCash
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIVARCPMergerMember
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= us-gaap_CashMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		                  
Cash [Member] | Option Two [Member] | ARCT III [Member]                                    
Business Acquisition [Line Items]                                    
Convertible stock issued during period, value         12.00arcp_BusinessCombinationConsiderationTransferredAmountPerShare
/ us-gaap_BusinessAcquisitionAxis
= arcp_ARCTIIIMember
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= us-gaap_CashMember
/ arcp_MutuallyExclusiveOptionAxis
= arcp_OptionTwoMember		                          
Cash [Member] | Option Two [Member] | ARCP Merger [Member]                                    
Business Acquisition [Line Items]                                    
Shares, Outstanding         29,200,000us-gaap_SharesOutstanding
/ us-gaap_BusinessAcquisitionAxis
= arcp_ArcpMergerMember
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= us-gaap_CashMember
/ arcp_MutuallyExclusiveOptionAxis
= arcp_OptionTwoMember		                          
Percentage of shares outstanding         16.50%arcp_PercentageOfSharesOutstanding
/ us-gaap_BusinessAcquisitionAxis
= arcp_ArcpMergerMember
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= us-gaap_CashMember
/ arcp_MutuallyExclusiveOptionAxis
= arcp_OptionTwoMember		                          
Convertible stock issued during period, value         12.00arcp_AmountOfCash
/ us-gaap_BusinessAcquisitionAxis
= arcp_ArcpMergerMember
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= us-gaap_CashMember
/ arcp_MutuallyExclusiveOptionAxis
= arcp_OptionTwoMember		                          
Cash [Member] | Option Two [Member] | ARCP shares converted from ARCT III shares [Member]                                    
Business Acquisition [Line Items]                                    
Shares, Outstanding         27,700,000us-gaap_SharesOutstanding
/ us-gaap_BusinessAcquisitionAxis
= arcp_ArcpSharesConvertedFromArctIiiSharesMember
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= us-gaap_CashMember
/ arcp_MutuallyExclusiveOptionAxis
= arcp_OptionTwoMember		                          
Cash [Member] | Option Two [Member] | Cole Merger [Member] | Subsequent Event [Member]                                    
Business Acquisition [Line Items]                                    
Business Combination, Consideration Transferred                         13.82us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= arcp_ColeMergerMember
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= us-gaap_CashMember
/ arcp_MutuallyExclusiveOptionAxis
= arcp_OptionTwoMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		          
Cash [Member] | Option One [Member] | Cole Merger [Member] | Subsequent Event [Member]                                    
Business Acquisition [Line Items]                                    
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares                         1.0929us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= arcp_ColeMergerMember
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= us-gaap_CashMember
/ arcp_MutuallyExclusiveOptionAxis
= arcp_OptionOneMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		          
Common stock, par value                         $ 0.01us-gaap_CommonStockParOrStatedValuePerShare
/ us-gaap_BusinessAcquisitionAxis
= arcp_ColeMergerMember
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= us-gaap_CashMember
/ arcp_MutuallyExclusiveOptionAxis
= arcp_OptionOneMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		          
Common Stock [Member] | Option One [Member] | ARCP Merger [Member]                                    
Business Acquisition [Line Items]                                    
Business Combination, Consideration Transferred         350,400,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= arcp_ArcpMergerMember
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= us-gaap_CommonStockMember
/ arcp_MutuallyExclusiveOptionAxis
= arcp_OptionOneMember		                          
Shares, Outstanding         148,100,000us-gaap_SharesOutstanding
/ us-gaap_BusinessAcquisitionAxis
= arcp_ArcpMergerMember
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= us-gaap_CommonStockMember
/ arcp_MutuallyExclusiveOptionAxis
= arcp_OptionOneMember		                          
Common stock, issued         140,700,000us-gaap_CommonStockSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= arcp_ArcpMergerMember
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= us-gaap_CommonStockMember
/ arcp_MutuallyExclusiveOptionAxis
= arcp_OptionOneMember		                          
[1] For discussion on the restatement adjustments, see Note 2 - Restatement of Previously Issued Financial Statements.
[2] Excludes 50 properties comprised of $66.1 million of net investments subject to direct financing leases.
[3] Contract purchase price, excluding acquisition and transaction related costs.
[4] Total portfolio excludes one vacant property contributed in September 2011, which was classified as held for sale as of December 31, 2013.
[5] Excludes 140.7 million shares of common stock that were issued to the stockholders of ARCT III's common stock in conjunction with the ARCT III Merger.
[6] Excludes 31.0 million shares of common stock that were issued by ARCT IV for gross proceeds of $1.5 billion.
[7] Excludes 155.7 million and 5.4 million shares of common stock that were issued by ARCT III and ARCT IV, respectively, for gross proceeds of $1.6 billion and $255.0 million, respectively.
[8] Excludes 9.8 million shares of common stock that were issued by ARCT III for gross proceeds of $102.2 million.