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Equity-Based Compensation (Detail) (USD $)
 3 Months Ended 0 Months Ended 36 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Feb. 28, 2013
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Equity based compensation $ 0us-gaap_ShareBasedCompensation [1] $ 0us-gaap_ShareBasedCompensation [1]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Equity based compensation 21,574,000us-gaap_AllocatedShareBasedCompensationExpense [2] 3,333,000us-gaap_AllocatedShareBasedCompensationExpense [2]    
Equity Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Share-based compensation arrangement by share-based payment award, shares issued in period 6,774,288us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		      
Equity Plan [Member] | Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Equity based compensation 17,500,000us-gaap_ShareBasedCompensation
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 17,500,000us-gaap_ShareBasedCompensation
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		    
Equity Plan [Member] | Restricted Stock [Member] | Manager [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Maximum authorized amount as a percentage of shares authorized 10.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMaximum
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= arcp_ManagerMember		      
Equity Plan [Member] | Restricted Stock [Member] | Manager [Member] | ARC Properties Advisors, LLC [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Number of Restricted Common Shares, Granted 167,400us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ dei_LegalEntityAxis
= arcp_ArcPropertiesAdvisorsLlcMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= arcp_ManagerMember		      
Equity Plan [Member] | Non-Executive Directors [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Share-based compensation arrangement by share-based payment award, shares issued in period 282,854us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember
/ us-gaap_TitleOfIndividualAxis
= arcp_NonExecutiveDirectorsMember		      
Outperformance Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Maximum intended award pool opportunity 120,000,000arcp_IntendedMaximumAwardPoolOpportunity
/ us-gaap_PlanNameAxis
= arcp_OutperformancePlanMember		      
Outperformance Plan [Member] | Performance Shares [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Number of Restricted Common Shares, Granted     8,241,101us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_OutperformancePlanMember		  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Equity based compensation 1,600,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_OutperformancePlanMember		      
Share-based Compensation Arrangement by Share-based Payment Award, Performance Period 3 years      
Outperformance Plan [Member] | Performance Shares [Member] | Excess Return, Above Threshold [Member] | Absolute Component [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, return percentage threshold     7.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardReturnPercentageThreshold
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_ExcessReturnAboveThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_AbsoluteComponentMember
/ us-gaap_PlanNameAxis
= arcp_OutperformancePlanMember		  
Share-based compensation arrangement by share-based payment award, percentage of market capitalization threshold     4.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAuthorizedPercentageOfBenchmark
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_ExcessReturnAboveThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_AbsoluteComponentMember
/ us-gaap_PlanNameAxis
= arcp_OutperformancePlanMember		  
Outperformance Plan [Member] | Performance Shares [Member] | Cumulative Return, Equal to Threshold [Member] | Relative Component [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, return percentage threshold     0.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardReturnPercentageThreshold
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_CumulativeReturnEqualToThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_RelativeComponentMember
/ us-gaap_PlanNameAxis
= arcp_OutperformancePlanMember		 [3]  
Share-based compensation arrangement by share-based payment award, shares awarded as a percentage of maximum     50.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAwardedAsPercentageOfMaximum
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_CumulativeReturnEqualToThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_RelativeComponentMember
/ us-gaap_PlanNameAxis
= arcp_OutperformancePlanMember		  
Outperformance Plan [Member] | Performance Shares [Member] | Excess Return, Above Peer Group [Member] | Relative Component [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, percentage of market capitalization threshold     4.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAuthorizedPercentageOfBenchmark
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_ExcessReturnAbovePeerGroupMember
/ arcp_FundingComponentByTypeAxis
= arcp_RelativeComponentMember
/ us-gaap_PlanNameAxis
= arcp_OutperformancePlanMember		  
Outperformance Plan [Member] | Performance Shares [Member] | Cumulative Return, Above Threshold [Member] | Relative Component [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, shares awarded as a percentage of maximum     100.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAwardedAsPercentageOfMaximum
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_CumulativeReturnAboveThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_RelativeComponentMember
/ us-gaap_PlanNameAxis
= arcp_OutperformancePlanMember		  
Outperformance Plan [Member] | Performance Shares [Member] | Cumulative Return, Below Threshold [Member] | Relative Component [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, shares awarded as a percentage of maximum     0.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAwardedAsPercentageOfMaximum
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_CumulativeReturnBelowThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_RelativeComponentMember
/ us-gaap_PlanNameAxis
= arcp_OutperformancePlanMember		  
Outperformance Plan [Member] | Performance Shares [Member] | Minimum [Member] | Excess Return, Above Threshold [Member] | Absolute Component [Member] | Interim Period [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, return percentage threshold     14.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardReturnPercentageThreshold
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_ExcessReturnAboveThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_AbsoluteComponentMember
/ us-gaap_PlanNameAxis
= arcp_OutperformancePlanMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_VestingAxis
= arcp_InterimPeriodMember		  
Outperformance Plan [Member] | Performance Shares [Member] | Minimum [Member] | Cumulative Return, Equal to Threshold [Member] | Relative Component, Linear Interpolation [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, return percentage threshold     0.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardReturnPercentageThreshold
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_CumulativeReturnEqualToThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_RelativeComponentLinearInterpolationMember
/ us-gaap_PlanNameAxis
= arcp_OutperformancePlanMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		  
Outperformance Plan [Member] | Performance Shares [Member] | Minimum [Member] | Cumulative Return, Above Threshold [Member] | Relative Component [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, return percentage threshold     6.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardReturnPercentageThreshold
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_CumulativeReturnAboveThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_RelativeComponentMember
/ us-gaap_PlanNameAxis
= arcp_OutperformancePlanMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		  
Outperformance Plan [Member] | Performance Shares [Member] | Minimum [Member] | Cumulative Return, Above Threshold [Member] | Relative Component [Member] | Interim Period [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, return percentage threshold     12.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardReturnPercentageThreshold
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_CumulativeReturnAboveThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_RelativeComponentMember
/ us-gaap_PlanNameAxis
= arcp_OutperformancePlanMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_VestingAxis
= arcp_InterimPeriodMember		 [3]  
Outperformance Plan [Member] | Performance Shares [Member] | Maximum [Member] | Excess Return, Above Threshold [Member] | Absolute Component [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, return percentage threshold     21.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardReturnPercentageThreshold
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_ExcessReturnAboveThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_AbsoluteComponentMember
/ us-gaap_PlanNameAxis
= arcp_OutperformancePlanMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		  
Outperformance Plan [Member] | Performance Shares [Member] | Maximum [Member] | Cumulative Return, Above Threshold [Member] | Relative Component [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, return percentage threshold     18.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardReturnPercentageThreshold
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_CumulativeReturnAboveThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_RelativeComponentMember
/ us-gaap_PlanNameAxis
= arcp_OutperformancePlanMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		 [3]  
Outperformance Plan [Member] | Performance Shares [Member] | Maximum [Member] | Cumulative Return, Above Threshold [Member] | Relative Component, Linear Interpolation [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, return percentage threshold     6.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardReturnPercentageThreshold
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_CumulativeReturnAboveThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_RelativeComponentLinearInterpolationMember
/ us-gaap_PlanNameAxis
= arcp_OutperformancePlanMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		  
Director Stock Plan [Member] | Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Number of Restricted Common Shares, Granted 3,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		      
Number of Restricted Common Shares, Unvested Beginning Balance 18,875us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		      
Number of Restricted Common Shares, Vested (21,875)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		      
Number of Restricted Common Shares, Forfeited 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		      
Number of Restricted Common Shares, Unvested Ending Balance 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		      
Share-based compensation arrangement by share-based payment award, shares issued in period 45,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		      
Equity based compensation 3,600,000us-gaap_ShareBasedCompensation
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		      
Restricted share vesting period 5 years      
Number of shares authorized, in shares 99,000us-gaap_DeferredCompensationArrangementWithIndividualCommonStockReservedForFutureIssuance
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Weighted-Average Issue Price, Outstanding $ 13.52us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		      
Weighted-Average Issue Price,Granted $ 13.99us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		      
Weighted-Average Issue Price,Vested $ 13.58us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		      
Weighted-Average Issue Price,Forfeited $ 0.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		      
Weighted-Average Issue Price, Outstanding $ 0.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		      
New Multi-Year Outperformance Plan [Member] | Performance Shares [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Equity based compensation 2,500,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember		      
Performance based award percentage, as percentage of the company's market capitalization       5.00%arcp_PerformanceBasedAwardPercentageasPercentageoftheCompanysMarketCapitalization
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
Dividends payable 7,100,000us-gaap_DividendsPayableCurrentAndNoncurrent
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember		      
New Multi-Year Outperformance Plan [Member] | Performance Shares [Member] | Excess Return, Above Threshold [Member] | Absolute Component [Member] | Interim Period [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, return percentage threshold 14.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardReturnPercentageThreshold
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_ExcessReturnAboveThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_AbsoluteComponentMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_InterimPeriodMember		      
New Multi-Year Outperformance Plan [Member] | Performance Shares [Member] | Excess Return, Above Threshold [Member] | Absolute Component [Member] | Annual Period [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, return percentage threshold 7.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardReturnPercentageThreshold
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_ExcessReturnAboveThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_AbsoluteComponentMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_AnnualPeriodMember		      
New Multi-Year Outperformance Plan [Member] | Performance Shares [Member] | 100 Percent Cumulative Threshold [Member] | Relative Component [Member] | Interim Period [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, return percentage threshold 12.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardReturnPercentageThreshold
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_A100PercentCumulativeThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_RelativeComponentMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_InterimPeriodMember		      
New Multi-Year Outperformance Plan [Member] | Performance Shares [Member] | 100 Percent Cumulative Threshold [Member] | Relative Component [Member] | Annual Period [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, return percentage threshold 6.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardReturnPercentageThreshold
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_A100PercentCumulativeThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_RelativeComponentMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_AnnualPeriodMember		      
New Multi-Year Outperformance Plan [Member] | Performance Shares [Member] | 100 Percent Cumulative Threshold [Member] | Relative Component [Member] | Performance Period [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, return percentage threshold 18.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardReturnPercentageThreshold
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_A100PercentCumulativeThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_RelativeComponentMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_PerformancePeriodMember		      
New Multi-Year Outperformance Plan [Member] | Performance Shares [Member] | 50% Component Threshold [Member] | Relative Component [Member] | Interim Period [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, return percentage threshold 0.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardReturnPercentageThreshold
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_A50ComponentThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_RelativeComponentMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_InterimPeriodMember		      
New Multi-Year Outperformance Plan [Member] | Performance Shares [Member] | 50% Component Threshold [Member] | Relative Component [Member] | Annual Period [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, return percentage threshold 0.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardReturnPercentageThreshold
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_A50ComponentThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_RelativeComponentMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_AnnualPeriodMember		      
New Multi-Year Outperformance Plan [Member] | Performance Shares [Member] | 50% Component Threshold [Member] | Relative Component [Member] | Performance Period [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, return percentage threshold 0.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardReturnPercentageThreshold
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_A50ComponentThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_RelativeComponentMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_PerformancePeriodMember		      
New Multi-Year Outperformance Plan [Member] | Performance Shares [Member] | 0% Cumulative Threshold [Member] | Relative Component [Member] | Interim Period [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, return percentage threshold 0.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardReturnPercentageThreshold
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_A0CumulativeThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_RelativeComponentMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_InterimPeriodMember		      
New Multi-Year Outperformance Plan [Member] | Performance Shares [Member] | 0% Cumulative Threshold [Member] | Relative Component [Member] | Annual Period [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, return percentage threshold 0.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardReturnPercentageThreshold
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_A0CumulativeThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_RelativeComponentMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_AnnualPeriodMember		      
New Multi-Year Outperformance Plan [Member] | Performance Shares [Member] | 0% Cumulative Threshold [Member] | Relative Component [Member] | Performance Period [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, return percentage threshold 0.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardReturnPercentageThreshold
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_A0CumulativeThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_RelativeComponentMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_PerformancePeriodMember		      
New Multi-Year Outperformance Plan [Member] | Performance Shares [Member] | Maximum [Member] | Excess Return, Above Threshold [Member] | Absolute Component [Member] | Performance Period [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Share-based compensation arrangement by share-based payment award, return percentage threshold 21.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardReturnPercentageThreshold
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ arcp_FundingComponentByBenchmarkAxis
= arcp_ExcessReturnAboveThresholdMember
/ arcp_FundingComponentByTypeAxis
= arcp_AbsoluteComponentMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_VestingAxis
= arcp_PerformancePeriodMember		      
Restricted Share Plan [Member] | Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Number of Restricted Common Shares, Granted 5,580,678us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RestrictedSharePlanMember		      
Number of Restricted Common Shares, Unvested Beginning Balance 931,442us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RestrictedSharePlanMember		      
Number of Restricted Common Shares, Vested (323,915)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RestrictedSharePlanMember		      
Number of Restricted Common Shares, Forfeited (11,209)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RestrictedSharePlanMember		      
Number of Restricted Common Shares, Unvested Ending Balance 6,176,996us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RestrictedSharePlanMember		      
Restricted share vesting period 5 years      
Share-based compensation arrangement by share-based payment award, equity instruments other than options, automatic grant 1,333arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAutomaticGrant
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RestrictedSharePlanMember		      
Share-based compensation arrangement by share-based payment award, periodic vesting percentage 20.00%arcp_ShareBasedCompensationArrangementByShareBasedPaymentAwardPeriodicVestingPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RestrictedSharePlanMember		      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Weighted-Average Issue Price, Outstanding $ 13.82us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RestrictedSharePlanMember		      
Weighted-Average Issue Price,Granted $ 13.28us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RestrictedSharePlanMember		      
Weighted-Average Issue Price,Vested $ 12.85us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RestrictedSharePlanMember		      
Weighted-Average Issue Price,Forfeited $ 14.03us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RestrictedSharePlanMember		      
Weighted-Average Issue Price, Outstanding $ 13.38us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RestrictedSharePlanMember		      
2013 Advisor Multi-Year Outperformance Agreement (OPP) [Member] | Non-Controlling Interests [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Equity based compensation $ 93,900,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_NoncontrollingInterestMember
/ us-gaap_PlanNameAxis
= arcp_A2013AdvisorMultiYearOutperformanceAgreementOPPMember		      
[1] As disclosed above, this line item caption has been reclassified into general and administrative in the accompanying consolidated statements of operations.
[2] For discussion on the restatement adjustments, see Note 2 - Restatement of Previously Issued Financial Statements.
[3] The "Peer Group" is comprised of the following companies: EPR Properties; Getty Realty Corporation; Lexington Realty Trust; National Retail Properties, Inc.; Realty Income Corporation; and Spirit Realty Capital, Inc.