XML 48 R109.htm IDEA: XBRL DOCUMENT v2.4.1.9
Equity Based Compensation (Details) (USD $)
In Millions, except Share data, unless otherwise specified
 0 Months Ended 3 Months Ended 12 Months Ended 0 Months Ended 11 Months Ended
Oct. 01, 2014
Dec. 31, 2014
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Jan. 08, 2014
Dec. 11, 2012
Oct. 03, 2013
Sep. 30, 2014
Former Executive [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 165,838us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_TitleOfIndividualAxis
= arcp_FormerExecutiveMember		                
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 expense (income)   $ 2.0us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_TitleOfIndividualAxis
= arcp_FormerExecutiveMember		 $ (1.5)us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_TitleOfIndividualAxis
= arcp_FormerExecutiveMember		            
Equity Plan [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_PlanNameAxis
= arcp_EquityPlanMember		            
Shares issued in period     7,677,715us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		            
Equity Plan [Member] | Former Executive [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares forfeited in period   2,781,571us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember
/ us-gaap_TitleOfIndividualAxis
= arcp_FormerExecutiveMember		              
Director Stock Plan [Member] | Director [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares issued in period     45,000us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_DirectorMember		            
Restricted Stock [Member] | Equity Plan [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, Outstanding Beginning Balance     1,191,351us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 259,909us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 167,400us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		        
Number of Restricted Common Shares, Unvested Beginning Balance     931,442us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 172,453us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 139,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		        
Number of Restricted Common Shares, Granted     6,484,105us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 932,527us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 93,683us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		        
Number of Restricted Common Shares, Vested     (1,675,939)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 (172,453)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 (59,556)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		        
Number of Restricted Common Shares, Forfeited     (3,055,546)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 (1,085)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 (1,174)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		        
Number of Restricted Common Shares, Outstanding Ending Balance   4,619,910us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 4,619,910us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 1,191,351us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 259,909us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		        
Number of Restricted Common Shares, Unvested Ending Balance   2,684,062us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 2,684,062us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 931,442us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 172,453us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		        
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 Beginning Balance (in dollars per share)     $ 13.39arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardNonoptionEquityInstrumentsOutstandingWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 $ 11.84arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardNonoptionEquityInstrumentsOutstandingWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 $ 12.50arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardNonoptionEquityInstrumentsOutstandingWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		        
Weighted-Average Issue Price, Unvested Beginning Balance (in dollars per share)     $ 13.82us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 $ 11.55us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 $ 12.50us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		        
Weighted-Average Issue Price, Vested (in dollars per share)     $ 13.11us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 $ 11.55us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 $ 12.38us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		        
Weighted-Average Issue Price, Forfeited (in dollars per share)     $ 12.65us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 $ 12.85us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 $ 10.65us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		        
Weighted-Average Issue Price, Granted (in dollars per share)     $ 13.09us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 $ 13.82us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 $ 10.65us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		        
Weighted-Average Issue Price, Outstanding Ending Balance (in dollars per share)   $ 13.46arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardNonoptionEquityInstrumentsOutstandingWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 $ 13.46arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardNonoptionEquityInstrumentsOutstandingWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 $ 13.39arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardNonoptionEquityInstrumentsOutstandingWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 $ 11.84arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardNonoptionEquityInstrumentsOutstandingWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		        
Weighted-Average Issue Price, Unvested Ending Balance (in dollars per share)   $ 13.84us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 $ 13.84us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 $ 13.82us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 $ 11.55us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		        
Share-based compensation expense (income)     31.7us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 8.0us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		 1.2us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember		        
Restricted Stock [Member] | Equity Plan [Member] | Former Manager [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     800,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= arcp_FormerManagerMember		            
Number of Restricted Common Shares, Vested     (167,400)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= arcp_FormerManagerMember		            
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 expense (income)     11.4us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_EquityPlanMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= arcp_FormerManagerMember		            
Restricted Stock [Member] | RSP and Director Stock Plan [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, Outstanding Beginning Balance     49,452us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		 31,684us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		 14,700us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		        
Number of Restricted Common Shares, Granted     3,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		 20,768us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		 30,634us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		        
Number of Restricted Common Shares, Forfeited     0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		 (3,000)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		 (13,650)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		        
Number of Restricted Common Shares, Outstanding Ending Balance   52,452us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		 52,452us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		 49,452us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		 31,684us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		        
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 Beginning Balance (in dollars per share)     $ 12.04arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardNonoptionEquityInstrumentsOutstandingWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		 $ 10.47arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardNonoptionEquityInstrumentsOutstandingWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		 $ 11.50arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardNonoptionEquityInstrumentsOutstandingWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		        
Weighted-Average Issue Price, Forfeited (in dollars per share)     $ 0.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		 $ 12.99us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		 $ 11.54us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		        
Weighted-Average Issue Price, Granted (in dollars per share)     $ 13.99us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		 $ 14.58us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		 $ 10.45us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		        
Weighted-Average Issue Price, Outstanding Ending Balance (in dollars per share)   $ 12.15arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardNonoptionEquityInstrumentsOutstandingWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		 $ 12.15arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardNonoptionEquityInstrumentsOutstandingWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		 $ 12.04arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardNonoptionEquityInstrumentsOutstandingWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		 $ 10.47arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardNonoptionEquityInstrumentsOutstandingWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_RSPandDirectorStockPlanMember		        
Restricted Stock [Member] | Director Stock Plan [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, Unvested Beginning Balance     18,875us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		 29,314us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		 14,700us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		        
Number of Restricted Common Shares, Granted     3,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		 20,768us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		 30,634us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ 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		 (28,207)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		 (2,370)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		 (3,000)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		 (13,650)us-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		 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		 18,875us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		 29,314us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ 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, Unvested Beginning Balance (in dollars per share)     $ 13.52us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		 $ 10.35us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		 $ 11.50us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		        
Weighted-Average Issue Price, Vested (in dollars per share)     $ 13.58us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		 $ 11.03us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		 $ 11.88us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		        
Weighted-Average Issue Price, Forfeited (in dollars per share)     $ 0.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		 $ 12.99us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		 $ 11.54us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		        
Weighted-Average Issue Price, Granted (in dollars per share)     $ 13.99us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		 $ 14.58us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		 $ 10.45us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		        
Weighted-Average Issue Price, Unvested Ending Balance (in dollars per share)   $ 0.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		 $ 0.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		 $ 13.52us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		 $ 10.35us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember		        
Restricted Stock [Member] | Director Stock Plan [Member] | Director [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Restricted share vesting period     5 years            
Number of shares authorized, in shares   99,000us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_DirectorMember		 99,000us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= arcp_DirectorStockPlanMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_DirectorMember		            
Restricted Stock [Member] | Restricted Share Plan [Member] | Director [Member] | ARCT IV [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Restricted share vesting period     5 years            
Periodic vesting percentage     20.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ dei_LegalEntityAxis
= arcp_AmericanRealtyCapitalTrustIVInc.Member
/ us-gaap_PlanNameAxis
= arcp_RestrictedSharePlanMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_DirectorMember		            
Equity instruments other than options, automatic grant     1,333arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsGrantsinPeriodRatio
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ dei_LegalEntityAxis
= arcp_AmericanRealtyCapitalTrustIVInc.Member
/ us-gaap_PlanNameAxis
= arcp_RestrictedSharePlanMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_DirectorMember		            
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]                  
Share-based compensation expense (income)     0us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember		            
Distributions payable   6.9us-gaap_DeferredCompensationSharebasedArrangementsLiabilityCurrentAndNoncurrent
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember		 6.9us-gaap_DeferredCompensationSharebasedArrangementsLiabilityCurrentAndNoncurrent
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember		            
Performance Shares [Member] | Multi-year 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]                  
Share-based compensation expense (income)     1.6us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_MultiyearOutperformancePlanMember		 92.3us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_MultiyearOutperformancePlanMember		          
Performance Shares [Member] | Multi-year Outperformance Plan [Member] | Former Manager [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_MultiyearOutperformancePlanMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= arcp_FormerManagerMember		    
Number of Restricted Common Shares, Vested           (8,241,101)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_MultiyearOutperformancePlanMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= arcp_FormerManagerMember		      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]                  
Performance period             3 years    
Performance Shares [Member] | New Multi-Year Outperformance Plan [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Periodic vesting percentage                 33.30%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]                  
Maximum award opportunity               120.0arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsMaximumAwardOpportunityAmount
/ 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_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsMaximumAwardOpportunityPercentageofEquityMarketCapitalization
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember		  
Absolute component threshold percentage   4.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardAbsoluteComponentThresholdPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember		 [1] 4.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardAbsoluteComponentThresholdPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember		 [1]            
Relative component threshold percentage   4.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardRelativeComponentThresholdPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember		 [1] 4.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardRelativeComponentThresholdPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember		 [1]            
Performance Shares [Member] | New Multi-Year Outperformance Plan [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]                  
Absolute component, performance target percentage   21.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardAbsoluteComponentPerformanceTargetPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_SharebasedCompensationAwardTrancheThreeMember		 21.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardAbsoluteComponentPerformanceTargetPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_SharebasedCompensationAwardTrancheThreeMember		            
Relative component, 100% funding benchmark, performance target percentage   18.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardRelativeComponentOneHundredPercentFundingBenchmarkPerformanceTargetPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_SharebasedCompensationAwardTrancheThreeMember		 [1] 18.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardRelativeComponentOneHundredPercentFundingBenchmarkPerformanceTargetPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_SharebasedCompensationAwardTrancheThreeMember		 [1]            
Relative component, 0% funding benchmark, performance target percentage   0.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardRelativeComponentZeroPercentFundingBenchmarkPerformanceTargetPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_SharebasedCompensationAwardTrancheThreeMember		 [1] 0.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardRelativeComponentZeroPercentFundingBenchmarkPerformanceTargetPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_SharebasedCompensationAwardTrancheThreeMember		 [1]            
Relative component, 50% funding benchmark, performance target percentage   0.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardRelativeComponentFiftyPercentFundingBenchmarkPerformanceTargetPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_SharebasedCompensationAwardTrancheThreeMember		 [1] 0.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardRelativeComponentFiftyPercentFundingBenchmarkPerformanceTargetPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_SharebasedCompensationAwardTrancheThreeMember		 [1]            
Performance Shares [Member] | New Multi-Year Outperformance Plan [Member] | Performance Period [Member] | Former Manager [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]                  
Performance period               3 years  
Performance Shares [Member] | New Multi-Year Outperformance Plan [Member] | Performance Period [Member] | Minimum [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]                  
Relative component, between 50% and 100% percent funding benchmark, performance target percentage   0.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardRelativeComponentBetweenFiftyandOneHundredPercentFundingBenchmarkPerformanceTargetPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_VestingAxis
= arcp_SharebasedCompensationAwardTrancheThreeMember		 [1] 0.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardRelativeComponentBetweenFiftyandOneHundredPercentFundingBenchmarkPerformanceTargetPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_VestingAxis
= arcp_SharebasedCompensationAwardTrancheThreeMember		 [1]            
Performance Shares [Member] | New Multi-Year Outperformance Plan [Member] | Performance Period [Member] | Maximum [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]                  
Relative component, between 50% and 100% percent funding benchmark, performance target percentage   18.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardRelativeComponentBetweenFiftyandOneHundredPercentFundingBenchmarkPerformanceTargetPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_VestingAxis
= arcp_SharebasedCompensationAwardTrancheThreeMember		 [1] 18.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardRelativeComponentBetweenFiftyandOneHundredPercentFundingBenchmarkPerformanceTargetPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_VestingAxis
= arcp_SharebasedCompensationAwardTrancheThreeMember		 [1]            
Performance Shares [Member] | New Multi-Year Outperformance Plan [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]                  
Absolute component, performance target percentage   7.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardAbsoluteComponentPerformanceTargetPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_SharebasedCompensationAwardTrancheTwoMember		 7.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardAbsoluteComponentPerformanceTargetPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_SharebasedCompensationAwardTrancheTwoMember		            
Relative component, 100% funding benchmark, performance target percentage   6.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardRelativeComponentOneHundredPercentFundingBenchmarkPerformanceTargetPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_SharebasedCompensationAwardTrancheTwoMember		 [1] 6.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardRelativeComponentOneHundredPercentFundingBenchmarkPerformanceTargetPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_SharebasedCompensationAwardTrancheTwoMember		 [1]            
Relative component, 0% funding benchmark, performance target percentage   0.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardRelativeComponentZeroPercentFundingBenchmarkPerformanceTargetPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_SharebasedCompensationAwardTrancheTwoMember		 [1] 0.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardRelativeComponentZeroPercentFundingBenchmarkPerformanceTargetPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_SharebasedCompensationAwardTrancheTwoMember		 [1]            
Relative component, 50% funding benchmark, performance target percentage   0.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardRelativeComponentFiftyPercentFundingBenchmarkPerformanceTargetPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_SharebasedCompensationAwardTrancheTwoMember		 [1] 0.00%arcp_SharebasedCompensationArrangementbySharebasedPaymentAwardRelativeComponentFiftyPercentFundingBenchmarkPerformanceTargetPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= arcp_NewMultiYearOutperformancePlanMember
/ us-gaap_VestingAxis
= arcp_SharebasedCompensationAwardTrancheTwoMember		 [1]            
Performance Shares [Member] | New Multi-Year Outperformance Plan [Member] | Annual Period [Member] | Former Manager [Member]                  
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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]                  
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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]                  
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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]                  
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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]                  
Performance period                 12 months
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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]                  
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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]                  
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[1] The “Peer Group” was 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.