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Schedule III - Section 18 (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 $ 3,689,795us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances      
Land 3,472,298us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand      
Buildings, Fixtures and Improvements 12,307,759us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements      
Costs Capitalized Subsequent to Acquisition 77,450us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements      
Gross Amount Carried at December 31, 2014 15,857,507us-gaap_RealEstateGrossAtCarryingValue 6,699,547us-gaap_RealEstateGrossAtCarryingValue 1,684,115us-gaap_RealEstateGrossAtCarryingValue 187,549us-gaap_RealEstateGrossAtCarryingValue
Accumulated Depreciation 775,050us-gaap_RealEstateAccumulatedDepreciation 205,712us-gaap_RealEstateAccumulatedDepreciation 45,050us-gaap_RealEstateAccumulatedDepreciation 12,062us-gaap_RealEstateAccumulatedDepreciation
Macaroni Grill [Member] | Flanders, NJ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 915us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MacaroniGrillMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlandersNJMember
     
Land 1,468us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MacaroniGrillMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlandersNJMember
     
Buildings, Fixtures and Improvements 883us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MacaroniGrillMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlandersNJMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MacaroniGrillMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlandersNJMember
     
Gross Amount Carried at December 31, 2014 2,351us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MacaroniGrillMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlandersNJMember
     
Accumulated Depreciation 40us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MacaroniGrillMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlandersNJMember
     
Macaroni Grill [Member] | W. Windsor, NJ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,043us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MacaroniGrillMember
/ us-gaap_StatementGeographicalAxis
= arcp_W.WindsorNJMember
     
Land 1,307us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MacaroniGrillMember
/ us-gaap_StatementGeographicalAxis
= arcp_W.WindsorNJMember
     
Buildings, Fixtures and Improvements 1,498us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MacaroniGrillMember
/ us-gaap_StatementGeographicalAxis
= arcp_W.WindsorNJMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MacaroniGrillMember
/ us-gaap_StatementGeographicalAxis
= arcp_W.WindsorNJMember
     
Gross Amount Carried at December 31, 2014 2,805us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MacaroniGrillMember
/ us-gaap_StatementGeographicalAxis
= arcp_W.WindsorNJMember
     
Accumulated Depreciation 64us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MacaroniGrillMember
/ us-gaap_StatementGeographicalAxis
= arcp_W.WindsorNJMember
     
Mattress Firm [Member] | Daphne, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaphneALMember
     
Land 528us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaphneALMember
     
Buildings, Fixtures and Improvements 1,233us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaphneALMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaphneALMember
     
Gross Amount Carried at December 31, 2014 1,761us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaphneALMember
     
Accumulated Depreciation 84us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaphneALMember
     
Mattress Firm [Member] | Dothan, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_DothanALMember
     
Land 406us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_DothanALMember
     
Buildings, Fixtures and Improvements 1,217us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_DothanALMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_DothanALMember
     
Gross Amount Carried at December 31, 2014 1,623us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_DothanALMember
     
Accumulated Depreciation 111us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_DothanALMember
     
Mattress Firm [Member] | Rogers, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_RogersARMember
     
Land 321us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_RogersARMember
     
Buildings, Fixtures and Improvements 1,284us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_RogersARMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_RogersARMember
     
Gross Amount Carried at December 31, 2014 1,605us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_RogersARMember
     
Accumulated Depreciation 135us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_RogersARMember
     
Mattress Firm [Member] | Destin, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_DestinFLMember
     
Land 693us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_DestinFLMember
     
Buildings, Fixtures and Improvements 1,287us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_DestinFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_DestinFLMember
     
Gross Amount Carried at December 31, 2014 1,980us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_DestinFLMember
     
Accumulated Depreciation 111us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_DestinFLMember
     
Mattress Firm [Member] | Melbourne, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_MelbourneFLMember
     
Land 405us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_MelbourneFLMember
     
Buildings, Fixtures and Improvements 1,237us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_MelbourneFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_MelbourneFLMember
     
Gross Amount Carried at December 31, 2014 1,642us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_MelbourneFLMember
     
Accumulated Depreciation 58us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_MelbourneFLMember
     
Mattress Firm [Member] | Tallahassee, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_TallahasseeFLMember
     
Land 924us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_TallahasseeFLMember
     
Buildings, Fixtures and Improvements 1,386us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_TallahasseeFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_TallahasseeFLMember
     
Gross Amount Carried at December 31, 2014 2,310us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_TallahasseeFLMember
     
Accumulated Depreciation 127us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_TallahasseeFLMember
     
Mattress Firm [Member] | Boise, ID [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoiseIDMember
     
Land 335us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoiseIDMember
     
Buildings, Fixtures and Improvements 1,339us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoiseIDMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoiseIDMember
     
Gross Amount Carried at December 31, 2014 1,674us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoiseIDMember
     
Accumulated Depreciation 141us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoiseIDMember
     
Mattress Firm [Member] | Garden City, ID [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GardenCityIDMember
     
Land 492us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GardenCityIDMember
     
Buildings, Fixtures and Improvements 1,305us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GardenCityIDMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GardenCityIDMember
     
Gross Amount Carried at December 31, 2014 1,797us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GardenCityIDMember
     
Accumulated Depreciation 58us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GardenCityIDMember
     
Mattress Firm [Member] | Fairview Heights, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairviewHeightsILMember
     
Land 231us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairviewHeightsILMember
     
Buildings, Fixtures and Improvements 958us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairviewHeightsILMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairviewHeightsILMember
     
Gross Amount Carried at December 31, 2014 1,189us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairviewHeightsILMember
     
Accumulated Depreciation 50us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairviewHeightsILMember
     
Mattress Firm [Member] | Columbus, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbusINMember
     
Land 157us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbusINMember
     
Buildings, Fixtures and Improvements 891us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbusINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbusINMember
     
Gross Amount Carried at December 31, 2014 1,048us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbusINMember
     
Accumulated Depreciation 106us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbusINMember
     
Mattress Firm [Member] | Evansville, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_EvansvilleINMember
     
Land 117us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_EvansvilleINMember
     
Buildings, Fixtures and Improvements 2,227us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_EvansvilleINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_EvansvilleINMember
     
Gross Amount Carried at December 31, 2014 2,344us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_EvansvilleINMember
     
Accumulated Depreciation 235us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_EvansvilleINMember
     
Mattress Firm [Member] | Goshen, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GoshenINMember
     
Land 211us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GoshenINMember
     
Buildings, Fixtures and Improvements 1,555us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GoshenINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GoshenINMember
     
Gross Amount Carried at December 31, 2014 1,766us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GoshenINMember
     
Accumulated Depreciation 63us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GoshenINMember
     
Mattress Firm [Member] | Mishawaka, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_MishawakaINMember
     
Land 375us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_MishawakaINMember
     
Buildings, Fixtures and Improvements 1,500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_MishawakaINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_MishawakaINMember
     
Gross Amount Carried at December 31, 2014 1,875us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_MishawakaINMember
     
Accumulated Depreciation 123us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_MishawakaINMember
     
Mattress Firm [Member] | South Bend, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthBendINMember
     
Land 289us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthBendINMember
     
Buildings, Fixtures and Improvements 2,445us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthBendINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthBendINMember
     
Gross Amount Carried at December 31, 2014 2,734us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthBendINMember
     
Accumulated Depreciation 110us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthBendINMember
     
Mattress Firm [Member] | Bowling Green, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_BowlingGreenKYMember
     
Land 648us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_BowlingGreenKYMember
     
Buildings, Fixtures and Improvements 973us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_BowlingGreenKYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_BowlingGreenKYMember
     
Gross Amount Carried at December 31, 2014 1,621us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_BowlingGreenKYMember
     
Accumulated Depreciation 93us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_BowlingGreenKYMember
     
Mattress Firm [Member] | Lafayette, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,194us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_LafayetteLAMember
     
Land 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_LafayetteLAMember
     
Buildings, Fixtures and Improvements 1,251us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_LafayetteLAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_LafayetteLAMember
     
Gross Amount Carried at December 31, 2014 1,251us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_LafayetteLAMember
     
Accumulated Depreciation 114us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_LafayetteLAMember
     
Mattress Firm [Member] | Flint, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlintMIMember
     
Land 467us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlintMIMember
     
Buildings, Fixtures and Improvements 1,323us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlintMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlintMIMember
     
Gross Amount Carried at December 31, 2014 1,790us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlintMIMember
     
Accumulated Depreciation 23us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlintMIMember
     
Mattress Firm [Member] | Flint, MI 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlintMI2Member
     
Land 409us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlintMI2Member
     
Buildings, Fixtures and Improvements 1,164us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlintMI2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlintMI2Member
     
Gross Amount Carried at December 31, 2014 1,573us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlintMI2Member
     
Accumulated Depreciation 12us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlintMI2Member
     
Mattress Firm [Member] | Goldsboro, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GoldsboroNCMember
     
Land 349us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GoldsboroNCMember
     
Buildings, Fixtures and Improvements 1,385us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GoldsboroNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GoldsboroNCMember
     
Gross Amount Carried at December 31, 2014 1,734us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GoldsboroNCMember
     
Accumulated Depreciation 37us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GoldsboroNCMember
     
Mattress Firm [Member] | Greenville, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreenvilleNCMember
     
Land 1,085us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreenvilleNCMember
     
Buildings, Fixtures and Improvements 1,085us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreenvilleNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreenvilleNCMember
     
Gross Amount Carried at December 31, 2014 2,170us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreenvilleNCMember
     
Accumulated Depreciation 124us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreenvilleNCMember
     
Mattress Firm [Member] | Raleigh, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_RaleighNCMember
     
Land 1,091us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_RaleighNCMember
     
Buildings, Fixtures and Improvements 1,091us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_RaleighNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_RaleighNCMember
     
Gross Amount Carried at December 31, 2014 2,182us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_RaleighNCMember
     
Accumulated Depreciation 140us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_RaleighNCMember
     
Mattress Firm [Member] | Wilmington, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilmingtonNCMember
     
Land 412us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilmingtonNCMember
     
Buildings, Fixtures and Improvements 1,257us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilmingtonNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilmingtonNCMember
     
Gross Amount Carried at December 31, 2014 1,669us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilmingtonNCMember
     
Accumulated Depreciation 127us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilmingtonNCMember
     
Mattress Firm [Member] | Wilson, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilsonNCMember
     
Land 373us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilsonNCMember
     
Buildings, Fixtures and Improvements 692us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilsonNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilsonNCMember
     
Gross Amount Carried at December 31, 2014 1,065us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilsonNCMember
     
Accumulated Depreciation 89us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilsonNCMember
     
Mattress Firm [Member] | Painesville, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_PainesvilleOHMember
     
Land 437us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_PainesvilleOHMember
     
Buildings, Fixtures and Improvements 1,318us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_PainesvilleOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_PainesvilleOHMember
     
Gross Amount Carried at December 31, 2014 1,755us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_PainesvilleOHMember
     
Accumulated Depreciation 29us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_PainesvilleOHMember
     
Mattress Firm [Member] | Florence, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlorenceSCMember
     
Land 398us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlorenceSCMember
     
Buildings, Fixtures and Improvements 929us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlorenceSCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlorenceSCMember
     
Gross Amount Carried at December 31, 2014 1,327us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlorenceSCMember
     
Accumulated Depreciation 107us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlorenceSCMember
     
Mattress Firm [Member] | Rock Hill, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockHillSCMember
     
Land 385us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockHillSCMember
     
Buildings, Fixtures and Improvements 898us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockHillSCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockHillSCMember
     
Gross Amount Carried at December 31, 2014 1,283us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockHillSCMember
     
Accumulated Depreciation 69us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockHillSCMember
     
Mattress Firm [Member] | Knoxville, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_KnoxvilleTNMember
     
Land 586us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_KnoxvilleTNMember
     
Buildings, Fixtures and Improvements 1,088us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_KnoxvilleTNMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_KnoxvilleTNMember
     
Gross Amount Carried at December 31, 2014 1,674us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_KnoxvilleTNMember
     
Accumulated Depreciation 109us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_KnoxvilleTNMember
     
Mattress Firm [Member] | Nederland, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_NederlandTXMember
     
Land 311us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_NederlandTXMember
     
Buildings, Fixtures and Improvements 1,245us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_NederlandTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_NederlandTXMember
     
Gross Amount Carried at December 31, 2014 1,556us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_NederlandTXMember
     
Accumulated Depreciation 160us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_NederlandTXMember
     
Mattress Firm [Member] | Bountiful, UT [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_BountifulUTMember
     
Land 736us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_BountifulUTMember
     
Buildings, Fixtures and Improvements 1,367us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_BountifulUTMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_BountifulUTMember
     
Gross Amount Carried at December 31, 2014 2,103us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_BountifulUTMember
     
Accumulated Depreciation 157us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_BountifulUTMember
     
Mattress Firm [Member] | Spokane, WA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpokaneWAMember
     
Land 409us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpokaneWAMember
     
Buildings, Fixtures and Improvements 1,685us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpokaneWAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpokaneWAMember
     
Gross Amount Carried at December 31, 2014 2,094us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpokaneWAMember
     
Accumulated Depreciation 164us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpokaneWAMember
     
Mattress Firm [Member] | Spokane, WA 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpokaneWA2Member
     
Land 511us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpokaneWA2Member
     
Buildings, Fixtures and Improvements 1,582us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpokaneWA2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpokaneWA2Member
     
Gross Amount Carried at December 31, 2014 2,093us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpokaneWA2Member
     
Accumulated Depreciation 162us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MattressFirmMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpokaneWA2Member
     
McAlisters [Member] | Murfreesboro, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McAlistersMember
/ us-gaap_StatementGeographicalAxis
= arcp_MurfreesboroTNMember
     
Land 310us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McAlistersMember
/ us-gaap_StatementGeographicalAxis
= arcp_MurfreesboroTNMember
     
Buildings, Fixtures and Improvements 720us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McAlistersMember
/ us-gaap_StatementGeographicalAxis
= arcp_MurfreesboroTNMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McAlistersMember
/ us-gaap_StatementGeographicalAxis
= arcp_MurfreesboroTNMember
     
Gross Amount Carried at December 31, 2014 1,030us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McAlistersMember
/ us-gaap_StatementGeographicalAxis
= arcp_MurfreesboroTNMember
     
Accumulated Depreciation 60us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McAlistersMember
/ us-gaap_StatementGeographicalAxis
= arcp_MurfreesboroTNMember
     
McAlisters [Member] | Sherman, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McAlistersMember
/ us-gaap_StatementGeographicalAxis
= arcp_ShermanTXMember
     
Land 563us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McAlistersMember
/ us-gaap_StatementGeographicalAxis
= arcp_ShermanTXMember
     
Buildings, Fixtures and Improvements 1,223us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McAlistersMember
/ us-gaap_StatementGeographicalAxis
= arcp_ShermanTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McAlistersMember
/ us-gaap_StatementGeographicalAxis
= arcp_ShermanTXMember
     
Gross Amount Carried at December 31, 2014 1,786us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McAlistersMember
/ us-gaap_StatementGeographicalAxis
= arcp_ShermanTXMember
     
Accumulated Depreciation 44us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McAlistersMember
/ us-gaap_StatementGeographicalAxis
= arcp_ShermanTXMember
     
McAlisters [Member] | Waco, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McAlistersMember
/ us-gaap_StatementGeographicalAxis
= arcp_WacoTXMember
     
Land 429us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McAlistersMember
/ us-gaap_StatementGeographicalAxis
= arcp_WacoTXMember
     
Buildings, Fixtures and Improvements 791us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McAlistersMember
/ us-gaap_StatementGeographicalAxis
= arcp_WacoTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McAlistersMember
/ us-gaap_StatementGeographicalAxis
= arcp_WacoTXMember
     
Gross Amount Carried at December 31, 2014 1,220us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McAlistersMember
/ us-gaap_StatementGeographicalAxis
= arcp_WacoTXMember
     
Accumulated Depreciation 39us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McAlistersMember
/ us-gaap_StatementGeographicalAxis
= arcp_WacoTXMember
     
McDonald's [Member] | Scotland Neck, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McDonaldsMember
/ us-gaap_StatementGeographicalAxis
= arcp_ScotlandNeckNCMember
     
Land 320us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McDonaldsMember
/ us-gaap_StatementGeographicalAxis
= arcp_ScotlandNeckNCMember
     
Buildings, Fixtures and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McDonaldsMember
/ us-gaap_StatementGeographicalAxis
= arcp_ScotlandNeckNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McDonaldsMember
/ us-gaap_StatementGeographicalAxis
= arcp_ScotlandNeckNCMember
     
Gross Amount Carried at December 31, 2014 320us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McDonaldsMember
/ us-gaap_StatementGeographicalAxis
= arcp_ScotlandNeckNCMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_McDonaldsMember
/ us-gaap_StatementGeographicalAxis
= arcp_ScotlandNeckNCMember
     
MedAssets [Member] | Plano, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MedAssetsMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlanoTXMember
     
Land 10,432us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MedAssetsMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlanoTXMember
     
Buildings, Fixtures and Improvements 45,650us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MedAssetsMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlanoTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MedAssetsMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlanoTXMember
     
Gross Amount Carried at December 31, 2014 56,082us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MedAssetsMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlanoTXMember
     
Accumulated Depreciation 1,777us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MedAssetsMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlanoTXMember
     
Melrose Park Center [Member] | Melrose Park, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MelroseParkCenterMember
/ us-gaap_StatementGeographicalAxis
= arcp_MelroseParkILMember
     
Land 6,143us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MelroseParkCenterMember
/ us-gaap_StatementGeographicalAxis
= arcp_MelroseParkILMember
     
Buildings, Fixtures and Improvements 10,515us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MelroseParkCenterMember
/ us-gaap_StatementGeographicalAxis
= arcp_MelroseParkILMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MelroseParkCenterMember
/ us-gaap_StatementGeographicalAxis
= arcp_MelroseParkILMember
     
Gross Amount Carried at December 31, 2014 16,658us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MelroseParkCenterMember
/ us-gaap_StatementGeographicalAxis
= arcp_MelroseParkILMember
     
Accumulated Depreciation 460us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MelroseParkCenterMember
/ us-gaap_StatementGeographicalAxis
= arcp_MelroseParkILMember
     
Mercer Well Services [Member] | Cleburne, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MercerWellServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_CleburneTXMember
     
Land 262us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MercerWellServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_CleburneTXMember
     
Buildings, Fixtures and Improvements 369us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MercerWellServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_CleburneTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MercerWellServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_CleburneTXMember
     
Gross Amount Carried at December 31, 2014 631us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MercerWellServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_CleburneTXMember
     
Accumulated Depreciation 10us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MercerWellServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_CleburneTXMember
     
Merrill Lynch [Member] | Hopewell, NJ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 74,250us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MerrillLynchMember
/ us-gaap_StatementGeographicalAxis
= arcp_HopewellNJMember
     
Land 17,619us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MerrillLynchMember
/ us-gaap_StatementGeographicalAxis
= arcp_HopewellNJMember
     
Buildings, Fixtures and Improvements 108,349us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MerrillLynchMember
/ us-gaap_StatementGeographicalAxis
= arcp_HopewellNJMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MerrillLynchMember
/ us-gaap_StatementGeographicalAxis
= arcp_HopewellNJMember
     
Gross Amount Carried at December 31, 2014 125,968us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MerrillLynchMember
/ us-gaap_StatementGeographicalAxis
= arcp_HopewellNJMember
     
Accumulated Depreciation 4,949us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MerrillLynchMember
/ us-gaap_StatementGeographicalAxis
= arcp_HopewellNJMember
     
Metals USA [Member] | Horicon, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 3,674us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MetalsUSAMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoriconWIMember
     
Land 754us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MetalsUSAMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoriconWIMember
     
Buildings, Fixtures and Improvements 6,104us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MetalsUSAMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoriconWIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MetalsUSAMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoriconWIMember
     
Gross Amount Carried at December 31, 2014 6,858us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MetalsUSAMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoriconWIMember
     
Accumulated Depreciation 334us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MetalsUSAMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoriconWIMember
     
Metro PCS [Member] | Richardson, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 8,107us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MetroPCSMember
/ us-gaap_StatementGeographicalAxis
= arcp_RichardsonTXMember
     
Land 1,292us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MetroPCSMember
/ us-gaap_StatementGeographicalAxis
= arcp_RichardsonTXMember
     
Buildings, Fixtures and Improvements 19,606us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MetroPCSMember
/ us-gaap_StatementGeographicalAxis
= arcp_RichardsonTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MetroPCSMember
/ us-gaap_StatementGeographicalAxis
= arcp_RichardsonTXMember
     
Gross Amount Carried at December 31, 2014 20,898us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MetroPCSMember
/ us-gaap_StatementGeographicalAxis
= arcp_RichardsonTXMember
     
Accumulated Depreciation 1,137us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MetroPCSMember
/ us-gaap_StatementGeographicalAxis
= arcp_RichardsonTXMember
     
Mezcal Mexican Restaurant [Member] | Grafton, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MezcalMexicanRestaurantMember
/ us-gaap_StatementGeographicalAxis
= arcp_GraftonOHMember
     
Land 64us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MezcalMexicanRestaurantMember
/ us-gaap_StatementGeographicalAxis
= arcp_GraftonOHMember
     
Buildings, Fixtures and Improvements 191us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MezcalMexicanRestaurantMember
/ us-gaap_StatementGeographicalAxis
= arcp_GraftonOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MezcalMexicanRestaurantMember
/ us-gaap_StatementGeographicalAxis
= arcp_GraftonOHMember
     
Gross Amount Carried at December 31, 2014 255us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MezcalMexicanRestaurantMember
/ us-gaap_StatementGeographicalAxis
= arcp_GraftonOHMember
     
Accumulated Depreciation 17us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MezcalMexicanRestaurantMember
/ us-gaap_StatementGeographicalAxis
= arcp_GraftonOHMember
     
Michael's [Member] | Lafayette, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MichaelsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LafayetteLAMember
     
Land 1,831us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MichaelsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LafayetteLAMember
     
Buildings, Fixtures and Improvements 3,631us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MichaelsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LafayetteLAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MichaelsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LafayetteLAMember
     
Gross Amount Carried at December 31, 2014 5,462us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MichaelsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LafayetteLAMember
     
Accumulated Depreciation 188us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MichaelsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LafayetteLAMember
     
Michael's [Member] | Aliso Viejo, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 39,332us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MichaelsMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlisoViejoCAMember
     
Land 18,724us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MichaelsMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlisoViejoCAMember
     
Buildings, Fixtures and Improvements 31,970us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MichaelsMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlisoViejoCAMember
     
Costs Capitalized Subsequent to Acquisition 5us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MichaelsMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlisoViejoCAMember
     
Gross Amount Carried at December 31, 2014 50,699us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MichaelsMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlisoViejoCAMember
     
Accumulated Depreciation 1,795us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MichaelsMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlisoViejoCAMember
     
Michelin [Member] | Louisville, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MichelinMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Land 1,120us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MichelinMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Buildings, Fixtures and Improvements 7,763us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MichelinMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MichelinMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Gross Amount Carried at December 31, 2014 8,883us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MichelinMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Accumulated Depreciation 533us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MichelinMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Millennium Chemicals [Member] | Glen Burnie, MD [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 13,695us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MillenniumChemicalsMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlenBurnieMDMember
     
Land 2,127us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MillenniumChemicalsMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlenBurnieMDMember
     
Buildings, Fixtures and Improvements 23,198us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MillenniumChemicalsMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlenBurnieMDMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MillenniumChemicalsMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlenBurnieMDMember
     
Gross Amount Carried at December 31, 2014 25,325us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MillenniumChemicalsMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlenBurnieMDMember
     
Accumulated Depreciation 962us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MillenniumChemicalsMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlenBurnieMDMember
     
Miraca Life Sciences [Member] | Irving, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MiracaLifeSciencesMember
/ us-gaap_StatementGeographicalAxis
= arcp_IrvingTXMember
     
Land 3,237us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MiracaLifeSciencesMember
/ us-gaap_StatementGeographicalAxis
= arcp_IrvingTXMember
     
Buildings, Fixtures and Improvements 37,297us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MiracaLifeSciencesMember
/ us-gaap_StatementGeographicalAxis
= arcp_IrvingTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MiracaLifeSciencesMember
/ us-gaap_StatementGeographicalAxis
= arcp_IrvingTXMember
     
Gross Amount Carried at December 31, 2014 40,534us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MiracaLifeSciencesMember
/ us-gaap_StatementGeographicalAxis
= arcp_IrvingTXMember
     
Accumulated Depreciation 1,358us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MiracaLifeSciencesMember
/ us-gaap_StatementGeographicalAxis
= arcp_IrvingTXMember
     
Monro Muffler [Member] | Lewiston, ME [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MonroMufflerMember
/ us-gaap_StatementGeographicalAxis
= arcp_LewistonMEMember
     
Land 279us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MonroMufflerMember
/ us-gaap_StatementGeographicalAxis
= arcp_LewistonMEMember
     
Buildings, Fixtures and Improvements 1,115us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MonroMufflerMember
/ us-gaap_StatementGeographicalAxis
= arcp_LewistonMEMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MonroMufflerMember
/ us-gaap_StatementGeographicalAxis
= arcp_LewistonMEMember
     
Gross Amount Carried at December 31, 2014 1,394us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MonroMufflerMember
/ us-gaap_StatementGeographicalAxis
= arcp_LewistonMEMember
     
Accumulated Depreciation 105us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MonroMufflerMember
/ us-gaap_StatementGeographicalAxis
= arcp_LewistonMEMember
     
Monro Muffler [Member] | Waukesha, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MonroMufflerMember
/ us-gaap_StatementGeographicalAxis
= arcp_WaukeshaWIMember
     
Land 228us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MonroMufflerMember
/ us-gaap_StatementGeographicalAxis
= arcp_WaukeshaWIMember
     
Buildings, Fixtures and Improvements 684us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MonroMufflerMember
/ us-gaap_StatementGeographicalAxis
= arcp_WaukeshaWIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MonroMufflerMember
/ us-gaap_StatementGeographicalAxis
= arcp_WaukeshaWIMember
     
Gross Amount Carried at December 31, 2014 912us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MonroMufflerMember
/ us-gaap_StatementGeographicalAxis
= arcp_WaukeshaWIMember
     
Accumulated Depreciation 58us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MonroMufflerMember
/ us-gaap_StatementGeographicalAxis
= arcp_WaukeshaWIMember
     
Monterey's Tex Mex [Member] | Tulsa, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MontereysTexMexMember
/ us-gaap_StatementGeographicalAxis
= arcp_TulsaOKMember
     
Land 135us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MontereysTexMexMember
/ us-gaap_StatementGeographicalAxis
= arcp_TulsaOKMember
     
Buildings, Fixtures and Improvements 406us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MontereysTexMexMember
/ us-gaap_StatementGeographicalAxis
= arcp_TulsaOKMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MontereysTexMexMember
/ us-gaap_StatementGeographicalAxis
= arcp_TulsaOKMember
     
Gross Amount Carried at December 31, 2014 541us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MontereysTexMexMember
/ us-gaap_StatementGeographicalAxis
= arcp_TulsaOKMember
     
Accumulated Depreciation 35us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MontereysTexMexMember
/ us-gaap_StatementGeographicalAxis
= arcp_TulsaOKMember
     
Mo's Irish Pub Restaurant [Member] | Wauwatosa, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MosIrishPubRestaurantMember
/ us-gaap_StatementGeographicalAxis
= arcp_WauwatosaWIMember
     
Land 550us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MosIrishPubRestaurantMember
/ us-gaap_StatementGeographicalAxis
= arcp_WauwatosaWIMember
     
Buildings, Fixtures and Improvements 818us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MosIrishPubRestaurantMember
/ us-gaap_StatementGeographicalAxis
= arcp_WauwatosaWIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MosIrishPubRestaurantMember
/ us-gaap_StatementGeographicalAxis
= arcp_WauwatosaWIMember
     
Gross Amount Carried at December 31, 2014 1,368us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MosIrishPubRestaurantMember
/ us-gaap_StatementGeographicalAxis
= arcp_WauwatosaWIMember
     
Accumulated Depreciation 68us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MosIrishPubRestaurantMember
/ us-gaap_StatementGeographicalAxis
= arcp_WauwatosaWIMember
     
MotoMart [Member] | St. Charles, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MotoMartMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.CharlesMOMember
     
Land 1,085us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MotoMartMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.CharlesMOMember
     
Buildings, Fixtures and Improvements 1,980us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MotoMartMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.CharlesMOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MotoMartMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.CharlesMOMember
     
Gross Amount Carried at December 31, 2014 3,065us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MotoMartMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.CharlesMOMember
     
Accumulated Depreciation 107us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MotoMartMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.CharlesMOMember
     
Mrs. Baird's [Member] | Dallas, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_Mrs.BairdsMember
/ us-gaap_StatementGeographicalAxis
= arcp_DallasTXMember
     
Land 453us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_Mrs.BairdsMember
/ us-gaap_StatementGeographicalAxis
= arcp_DallasTXMember
     
Buildings, Fixtures and Improvements 4,077us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_Mrs.BairdsMember
/ us-gaap_StatementGeographicalAxis
= arcp_DallasTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_Mrs.BairdsMember
/ us-gaap_StatementGeographicalAxis
= arcp_DallasTXMember
     
Gross Amount Carried at December 31, 2014 4,530us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_Mrs.BairdsMember
/ us-gaap_StatementGeographicalAxis
= arcp_DallasTXMember
     
Accumulated Depreciation 611us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_Mrs.BairdsMember
/ us-gaap_StatementGeographicalAxis
= arcp_DallasTXMember
     
MS Energy Services [Member] | Midland, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MSEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidlandTXMember
     
Land 1,165us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MSEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidlandTXMember
     
Buildings, Fixtures and Improvements 948us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MSEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidlandTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MSEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidlandTXMember
     
Gross Amount Carried at December 31, 2014 2,113us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MSEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidlandTXMember
     
Accumulated Depreciation 26us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MSEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidlandTXMember
     
My Dentist [Member] | Chickasha, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MyDentistMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChickashaOKMember
     
Land 100us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MyDentistMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChickashaOKMember
     
Buildings, Fixtures and Improvements 186us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MyDentistMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChickashaOKMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MyDentistMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChickashaOKMember
     
Gross Amount Carried at December 31, 2014 286us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MyDentistMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChickashaOKMember
     
Accumulated Depreciation 16us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_MyDentistMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChickashaOKMember
     
N/A - Billboard [Member] | Memphis, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTNMember
     
Land 33us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTNMember
     
Buildings, Fixtures and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTNMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTNMember
     
Gross Amount Carried at December 31, 2014 33us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTNMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTNMember
     
N/A - Billboard [Member] | Memphis, TN 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTN2Member
     
Land 63us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTN2Member
     
Buildings, Fixtures and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTN2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTN2Member
     
Gross Amount Carried at December 31, 2014 63us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTN2Member
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTN2Member
     
N/A - Billboard [Member] | Memphis, TN 3 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTN3Member
     
Land 73us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTN3Member
     
Buildings, Fixtures and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTN3Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTN3Member
     
Gross Amount Carried at December 31, 2014 73us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTN3Member
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTN3Member
     
N/A - Billboard [Member] | Memphis, TN 4 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTN4Member
     
Land 90us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTN4Member
     
Buildings, Fixtures and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTN4Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTN4Member
     
Gross Amount Carried at December 31, 2014 90us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTN4Member
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NABillboardMember
/ us-gaap_StatementGeographicalAxis
= arcp_MemphisTN4Member
     
N/A - License Agreement [Member] | Winter Springs, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NALicenseAgreementMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinterSpringsFLMember
     
Land 734us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NALicenseAgreementMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinterSpringsFLMember
     
Buildings, Fixtures and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NALicenseAgreementMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinterSpringsFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NALicenseAgreementMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinterSpringsFLMember
     
Gross Amount Carried at December 31, 2014 734us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NALicenseAgreementMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinterSpringsFLMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NALicenseAgreementMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinterSpringsFLMember
     
N/A - Parking Lot [Member] | Kingston, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NAParkingLotMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingstonPAMember
     
Land 29us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NAParkingLotMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingstonPAMember
     
Buildings, Fixtures and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NAParkingLotMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingstonPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NAParkingLotMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingstonPAMember
     
Gross Amount Carried at December 31, 2014 29us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NAParkingLotMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingstonPAMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NAParkingLotMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingstonPAMember
     
National Institute Of Health [Member] | Bethesda, MD [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 53,798us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NationalInstituteOfHealthMember
/ us-gaap_StatementGeographicalAxis
= arcp_BethesdaMDMember
     
Land 8,536us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NationalInstituteOfHealthMember
/ us-gaap_StatementGeographicalAxis
= arcp_BethesdaMDMember
     
Buildings, Fixtures and Improvements 31,879us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NationalInstituteOfHealthMember
/ us-gaap_StatementGeographicalAxis
= arcp_BethesdaMDMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NationalInstituteOfHealthMember
/ us-gaap_StatementGeographicalAxis
= arcp_BethesdaMDMember
     
Gross Amount Carried at December 31, 2014 40,415us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NationalInstituteOfHealthMember
/ us-gaap_StatementGeographicalAxis
= arcp_BethesdaMDMember
     
Accumulated Depreciation 1,972us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NationalInstituteOfHealthMember
/ us-gaap_StatementGeographicalAxis
= arcp_BethesdaMDMember
     
National Tire & Battery [Member] | St. Louis, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NationalTireBatteryMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.LouisMOMember
     
Land 756us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NationalTireBatteryMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.LouisMOMember
     
Buildings, Fixtures and Improvements 924us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NationalTireBatteryMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.LouisMOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NationalTireBatteryMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.LouisMOMember
     
Gross Amount Carried at December 31, 2014 1,680us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NationalTireBatteryMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.LouisMOMember
     
Accumulated Depreciation 118us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NationalTireBatteryMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.LouisMOMember
     
National Tire & Battery [Member] | Bellevue, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 799us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NationalTireBatteryMember
/ us-gaap_StatementGeographicalAxis
= arcp_BellevueTNMember
     
Land 603us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NationalTireBatteryMember
/ us-gaap_StatementGeographicalAxis
= arcp_BellevueTNMember
     
Buildings, Fixtures and Improvements 1,373us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NationalTireBatteryMember
/ us-gaap_StatementGeographicalAxis
= arcp_BellevueTNMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NationalTireBatteryMember
/ us-gaap_StatementGeographicalAxis
= arcp_BellevueTNMember
     
Gross Amount Carried at December 31, 2014 1,976us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NationalTireBatteryMember
/ us-gaap_StatementGeographicalAxis
= arcp_BellevueTNMember
     
Accumulated Depreciation 60us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NationalTireBatteryMember
/ us-gaap_StatementGeographicalAxis
= arcp_BellevueTNMember
     
Native New Yorker [Member] | Glendale, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NativeNewYorkerMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlendaleAZMember
     
Land 254us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NativeNewYorkerMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlendaleAZMember
     
Buildings, Fixtures and Improvements 420us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NativeNewYorkerMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlendaleAZMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NativeNewYorkerMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlendaleAZMember
     
Gross Amount Carried at December 31, 2014 674us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NativeNewYorkerMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlendaleAZMember
     
Accumulated Depreciation 36us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NativeNewYorkerMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlendaleAZMember
     
Natural Grocers [Member] | Salem, OR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NaturalGrocersMember
/ us-gaap_StatementGeographicalAxis
= arcp_SalemORMember
     
Land 1,339us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NaturalGrocersMember
/ us-gaap_StatementGeographicalAxis
= arcp_SalemORMember
     
Buildings, Fixtures and Improvements 3,886us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NaturalGrocersMember
/ us-gaap_StatementGeographicalAxis
= arcp_SalemORMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NaturalGrocersMember
/ us-gaap_StatementGeographicalAxis
= arcp_SalemORMember
     
Gross Amount Carried at December 31, 2014 5,225us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NaturalGrocersMember
/ us-gaap_StatementGeographicalAxis
= arcp_SalemORMember
     
Accumulated Depreciation 183us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NaturalGrocersMember
/ us-gaap_StatementGeographicalAxis
= arcp_SalemORMember
     
Nestle Holdings [Member] | Breinigville, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NestleHoldingsMember
/ us-gaap_StatementGeographicalAxis
= arcp_BreinigvillePAMember
     
Land 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NestleHoldingsMember
/ us-gaap_StatementGeographicalAxis
= arcp_BreinigvillePAMember
     
Buildings, Fixtures and Improvements 66,948us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NestleHoldingsMember
/ us-gaap_StatementGeographicalAxis
= arcp_BreinigvillePAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NestleHoldingsMember
/ us-gaap_StatementGeographicalAxis
= arcp_BreinigvillePAMember
     
Gross Amount Carried at December 31, 2014 66,948us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NestleHoldingsMember
/ us-gaap_StatementGeographicalAxis
= arcp_BreinigvillePAMember
     
Accumulated Depreciation 4,594us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NestleHoldingsMember
/ us-gaap_StatementGeographicalAxis
= arcp_BreinigvillePAMember
     
NGL Energy Partners LP [Member] | Omaha, NE [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NGLEnergyPartnersLPMember
/ us-gaap_StatementGeographicalAxis
= arcp_OmahaNEMember
     
Land 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NGLEnergyPartnersLPMember
/ us-gaap_StatementGeographicalAxis
= arcp_OmahaNEMember
     
Buildings, Fixtures and Improvements 10,225us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NGLEnergyPartnersLPMember
/ us-gaap_StatementGeographicalAxis
= arcp_OmahaNEMember
     
Costs Capitalized Subsequent to Acquisition 1,169us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NGLEnergyPartnersLPMember
/ us-gaap_StatementGeographicalAxis
= arcp_OmahaNEMember
     
Gross Amount Carried at December 31, 2014 11,394us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NGLEnergyPartnersLPMember
/ us-gaap_StatementGeographicalAxis
= arcp_OmahaNEMember
     
Accumulated Depreciation 1,709us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NGLEnergyPartnersLPMember
/ us-gaap_StatementGeographicalAxis
= arcp_OmahaNEMember
     
Nomac Drilling [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NomacDrillingMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Land 369us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NomacDrillingMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Buildings, Fixtures and Improvements 2,669us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NomacDrillingMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NomacDrillingMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Gross Amount Carried at December 31, 2014 3,038us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NomacDrillingMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Accumulated Depreciation 67us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NomacDrillingMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Northern tool & Equipment [Member] | Ocala, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,650us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NortherntoolEquipmentMember
/ us-gaap_StatementGeographicalAxis
= arcp_OcalaFLMember
     
Land 1,693us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NortherntoolEquipmentMember
/ us-gaap_StatementGeographicalAxis
= arcp_OcalaFLMember
     
Buildings, Fixtures and Improvements 2,727us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NortherntoolEquipmentMember
/ us-gaap_StatementGeographicalAxis
= arcp_OcalaFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NortherntoolEquipmentMember
/ us-gaap_StatementGeographicalAxis
= arcp_OcalaFLMember
     
Gross Amount Carried at December 31, 2014 4,420us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NortherntoolEquipmentMember
/ us-gaap_StatementGeographicalAxis
= arcp_OcalaFLMember
     
Accumulated Depreciation 128us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NortherntoolEquipmentMember
/ us-gaap_StatementGeographicalAxis
= arcp_OcalaFLMember
     
Northrop Grumman [Member] | El Segundo, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NorthropGrummanMember
/ us-gaap_StatementGeographicalAxis
= arcp_ElSegundoCAMember
     
Land 15,935us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NorthropGrummanMember
/ us-gaap_StatementGeographicalAxis
= arcp_ElSegundoCAMember
     
Buildings, Fixtures and Improvements 67,908us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NorthropGrummanMember
/ us-gaap_StatementGeographicalAxis
= arcp_ElSegundoCAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NorthropGrummanMember
/ us-gaap_StatementGeographicalAxis
= arcp_ElSegundoCAMember
     
Gross Amount Carried at December 31, 2014 83,843us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NorthropGrummanMember
/ us-gaap_StatementGeographicalAxis
= arcp_ElSegundoCAMember
     
Accumulated Depreciation 1,780us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NorthropGrummanMember
/ us-gaap_StatementGeographicalAxis
= arcp_ElSegundoCAMember
     
NTW [Member] | Morrow, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NTWMember
/ us-gaap_StatementGeographicalAxis
= arcp_MorrowGAMember
     
Land 397us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NTWMember
/ us-gaap_StatementGeographicalAxis
= arcp_MorrowGAMember
     
Buildings, Fixtures and Improvements 1,586us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NTWMember
/ us-gaap_StatementGeographicalAxis
= arcp_MorrowGAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NTWMember
/ us-gaap_StatementGeographicalAxis
= arcp_MorrowGAMember
     
Gross Amount Carried at December 31, 2014 1,983us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NTWMember
/ us-gaap_StatementGeographicalAxis
= arcp_MorrowGAMember
     
Accumulated Depreciation 234us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_NTWMember
/ us-gaap_StatementGeographicalAxis
= arcp_MorrowGAMember
     
O'Charley's [Member] | Dalton, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OCharleysMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaltonGAMember
     
Land 406us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OCharleysMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaltonGAMember
     
Buildings, Fixtures and Improvements 1,817us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OCharleysMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaltonGAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OCharleysMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaltonGAMember
     
Gross Amount Carried at December 31, 2014 2,223us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OCharleysMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaltonGAMember
     
Accumulated Depreciation 161us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OCharleysMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaltonGAMember
     
O'Charley's [Member] | Tucker, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OCharleysMember
/ us-gaap_StatementGeographicalAxis
= arcp_TuckerGAMember
     
Land 1,037us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OCharleysMember
/ us-gaap_StatementGeographicalAxis
= arcp_TuckerGAMember
     
Buildings, Fixtures and Improvements 866us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OCharleysMember
/ us-gaap_StatementGeographicalAxis
= arcp_TuckerGAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OCharleysMember
/ us-gaap_StatementGeographicalAxis
= arcp_TuckerGAMember
     
Gross Amount Carried at December 31, 2014 1,903us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OCharleysMember
/ us-gaap_StatementGeographicalAxis
= arcp_TuckerGAMember
     
Accumulated Depreciation 77us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OCharleysMember
/ us-gaap_StatementGeographicalAxis
= arcp_TuckerGAMember
     
Old Country Buffet [Member] | Mesa, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_MesaAZMember
     
Land 191us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_MesaAZMember
     
Buildings, Fixtures and Improvements 1,007us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_MesaAZMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_MesaAZMember
     
Gross Amount Carried at December 31, 2014 1,198us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_MesaAZMember
     
Accumulated Depreciation 62us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_MesaAZMember
     
Old Country Buffet [Member] | Burbank, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_BurbankCAMember
     
Land 246us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_BurbankCAMember
     
Buildings, Fixtures and Improvements 1,309us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_BurbankCAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_BurbankCAMember
     
Gross Amount Carried at December 31, 2014 1,555us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_BurbankCAMember
     
Accumulated Depreciation 76us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_BurbankCAMember
     
Old Country Buffet [Member] | Fresno, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_FresnoCAMember
     
Land 326us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_FresnoCAMember
     
Buildings, Fixtures and Improvements 1,306us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_FresnoCAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_FresnoCAMember
     
Gross Amount Carried at December 31, 2014 1,632us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_FresnoCAMember
     
Accumulated Depreciation 77us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_FresnoCAMember
     
Old Country Buffet [Member] | Gilroy, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_GilroyCAMember
     
Land 249us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_GilroyCAMember
     
Buildings, Fixtures and Improvements 986us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_GilroyCAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_GilroyCAMember
     
Gross Amount Carried at December 31, 2014 1,235us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_GilroyCAMember
     
Accumulated Depreciation 57us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_GilroyCAMember
     
Old Country Buffet [Member] | Lynwood, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_LynwoodCAMember
     
Land 245us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_LynwoodCAMember
     
Buildings, Fixtures and Improvements 1,308us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_LynwoodCAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_LynwoodCAMember
     
Gross Amount Carried at December 31, 2014 1,553us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_LynwoodCAMember
     
Accumulated Depreciation 76us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_LynwoodCAMember
     
Old Country Buffet [Member] | Rancho Cucamonga, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_RanchoCucamongaCAMember
     
Land 230us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_RanchoCucamongaCAMember
     
Buildings, Fixtures and Improvements 1,208us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_RanchoCucamongaCAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_RanchoCucamongaCAMember
     
Gross Amount Carried at December 31, 2014 1,438us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_RanchoCucamongaCAMember
     
Accumulated Depreciation 75us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_RanchoCucamongaCAMember
     
Old Country Buffet [Member] | San Luis Obispo, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Land 195us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanLuisObispoCAMember
     
Buildings, Fixtures and Improvements 1,013us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanLuisObispoCAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanLuisObispoCAMember
     
Gross Amount Carried at December 31, 2014 1,208us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanLuisObispoCAMember
     
Accumulated Depreciation 66us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanLuisObispoCAMember
     
Old Country Buffet [Member] | Vacaville, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_VacavilleCAMember
     
Land 195us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_VacavilleCAMember
     
Buildings, Fixtures and Improvements 1,044us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_VacavilleCAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_VacavilleCAMember
     
Gross Amount Carried at December 31, 2014 1,239us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_VacavilleCAMember
     
Accumulated Depreciation 61us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_VacavilleCAMember
     
Old Country Buffet [Member] | Littleton, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_LittletonCOMember
     
Land 196us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_LittletonCOMember
     
Buildings, Fixtures and Improvements 1,014us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_LittletonCOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_LittletonCOMember
     
Gross Amount Carried at December 31, 2014 1,210us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_LittletonCOMember
     
Accumulated Depreciation 63us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_LittletonCOMember
     
Old Country Buffet [Member] | Davie, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_DavieFLMember
     
Land 193us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_DavieFLMember
     
Buildings, Fixtures and Improvements 1,009us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_DavieFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_DavieFLMember
     
Gross Amount Carried at December 31, 2014 1,202us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_DavieFLMember
     
Accumulated Depreciation 61us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_DavieFLMember
     
Old Country Buffet [Member] | Coon Rapids, MN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_CoonRapidsMNMember
     
Land 1,611us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_CoonRapidsMNMember
     
Buildings, Fixtures and Improvements 2,188us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_CoonRapidsMNMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_CoonRapidsMNMember
     
Gross Amount Carried at December 31, 2014 3,799us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_CoonRapidsMNMember
     
Accumulated Depreciation 115us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_CoonRapidsMNMember
     
Old Country Buffet [Member] | Dickson City, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_DicksonCityPAMember
     
Land 262us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_DicksonCityPAMember
     
Buildings, Fixtures and Improvements 1,257us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_DicksonCityPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_DicksonCityPAMember
     
Gross Amount Carried at December 31, 2014 1,519us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_DicksonCityPAMember
     
Accumulated Depreciation 80us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_DicksonCityPAMember
     
Old Country Buffet [Member] | Downingtown, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_DowningtownPAMember
     
Land 264us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_DowningtownPAMember
     
Buildings, Fixtures and Improvements 1,261us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_DowningtownPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_DowningtownPAMember
     
Gross Amount Carried at December 31, 2014 1,525us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_DowningtownPAMember
     
Accumulated Depreciation 78us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_DowningtownPAMember
     
Old Country Buffet [Member] | Lancaster, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterPAMember
     
Land 225us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterPAMember
     
Buildings, Fixtures and Improvements 1,202us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterPAMember
     
Gross Amount Carried at December 31, 2014 1,427us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterPAMember
     
Accumulated Depreciation 77us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OldCountryBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterPAMember
     
Olive Garden [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Land 973us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Buildings, Fixtures and Improvements 2,902us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Gross Amount Carried at December 31, 2014 3,875us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Accumulated Depreciation 37us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Olive Garden [Member] | Edmonton, AB [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_EdmontonABMember
     
Land 2,870us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_EdmontonABMember
     
Buildings, Fixtures and Improvements 452us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_EdmontonABMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_EdmontonABMember
     
Gross Amount Carried at December 31, 2014 3,322us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_EdmontonABMember
     
Accumulated Depreciation 9us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_EdmontonABMember
     
Olive Garden [Member] | Edmonton, AB 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_EdmontonAB2Member
     
Land 2,946us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_EdmontonAB2Member
     
Buildings, Fixtures and Improvements 461us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_EdmontonAB2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_EdmontonAB2Member
     
Gross Amount Carried at December 31, 2014 3,407us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_EdmontonAB2Member
     
Accumulated Depreciation 9us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_EdmontonAB2Member
     
Olive Garden [Member] | Flagstaff, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlagstaffAZMember
     
Land 875us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlagstaffAZMember
     
Buildings, Fixtures and Improvements 455us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlagstaffAZMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlagstaffAZMember
     
Gross Amount Carried at December 31, 2014 1,330us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlagstaffAZMember
     
Accumulated Depreciation 8us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlagstaffAZMember
     
Olive Garden [Member] | Altamonte Springs, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_AltamonteSpringsFLMember
     
Land 699us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_AltamonteSpringsFLMember
     
Buildings, Fixtures and Improvements 4,023us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_AltamonteSpringsFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_AltamonteSpringsFLMember
     
Gross Amount Carried at December 31, 2014 4,722us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_AltamonteSpringsFLMember
     
Accumulated Depreciation 57us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_AltamonteSpringsFLMember
     
Olive Garden [Member] | Leesburg, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_LeesburgFLMember
     
Land 692us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_LeesburgFLMember
     
Buildings, Fixtures and Improvements 1,837us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_LeesburgFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_LeesburgFLMember
     
Gross Amount Carried at December 31, 2014 2,529us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_LeesburgFLMember
     
Accumulated Depreciation 25us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_LeesburgFLMember
     
Olive Garden [Member] | Port Charlotte, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_PortCharlotteFLMember
     
Land 1,454us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_PortCharlotteFLMember
     
Buildings, Fixtures and Improvements 4,156us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_PortCharlotteFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_PortCharlotteFLMember
     
Gross Amount Carried at December 31, 2014 5,610us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_PortCharlotteFLMember
     
Accumulated Depreciation 51us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_PortCharlotteFLMember
     
Olive Garden [Member] | Winnipeg, MB [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinnipegMBMember
     
Land 1,640us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinnipegMBMember
     
Buildings, Fixtures and Improvements 1,444us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinnipegMBMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinnipegMBMember
     
Gross Amount Carried at December 31, 2014 3,084us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinnipegMBMember
     
Accumulated Depreciation 20us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinnipegMBMember
     
Olive Garden [Member] | Salisbury, MD [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_SalisburyMDMember
     
Land 1,171us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_SalisburyMDMember
     
Buildings, Fixtures and Improvements 3,144us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_SalisburyMDMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_SalisburyMDMember
     
Gross Amount Carried at December 31, 2014 4,315us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_SalisburyMDMember
     
Accumulated Depreciation 40us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_SalisburyMDMember
     
Olive Garden [Member] | Cary, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_CaryNCMember
     
Land 1,545us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_CaryNCMember
     
Buildings, Fixtures and Improvements 6,603us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_CaryNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_CaryNCMember
     
Gross Amount Carried at December 31, 2014 8,148us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_CaryNCMember
     
Accumulated Depreciation 79us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_CaryNCMember
     
Olive Garden [Member] | Oklahoma City, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_OklahomaCityOKMember
     
Land 819us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_OklahomaCityOKMember
     
Buildings, Fixtures and Improvements 4,053us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_OklahomaCityOKMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_OklahomaCityOKMember
     
Gross Amount Carried at December 31, 2014 4,872us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_OklahomaCityOKMember
     
Accumulated Depreciation 50us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_OklahomaCityOKMember
     
Olive Garden [Member] | Langhorne, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_LanghornePAMember
     
Land 970us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_LanghornePAMember
     
Buildings, Fixtures and Improvements 3,717us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_LanghornePAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_LanghornePAMember
     
Gross Amount Carried at December 31, 2014 4,687us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_LanghornePAMember
     
Accumulated Depreciation 46us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_LanghornePAMember
     
Olive Garden [Member] | Pittsburgh, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPAMember
     
Land 1,560us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPAMember
     
Buildings, Fixtures and Improvements 1,422us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPAMember
     
Gross Amount Carried at December 31, 2014 2,982us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPAMember
     
Accumulated Depreciation 24us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPAMember
     
Olive Garden [Member] | Chesapeake, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChesapeakeVAMember
     
Land 1,382us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChesapeakeVAMember
     
Buildings, Fixtures and Improvements 2,252us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChesapeakeVAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChesapeakeVAMember
     
Gross Amount Carried at December 31, 2014 3,634us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChesapeakeVAMember
     
Accumulated Depreciation 30us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChesapeakeVAMember
     
Olive Garden [Member] | Manassas, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManassasVAMember
     
Land 1,965us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManassasVAMember
     
Buildings, Fixtures and Improvements 2,585us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManassasVAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManassasVAMember
     
Gross Amount Carried at December 31, 2014 4,550us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManassasVAMember
     
Accumulated Depreciation 33us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManassasVAMember
     
Olive Garden [Member] | Silverdale, WA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_SilverdaleWAMember
     
Land 1,752us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_SilverdaleWAMember
     
Buildings, Fixtures and Improvements 2,015us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_SilverdaleWAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_SilverdaleWAMember
     
Gross Amount Carried at December 31, 2014 3,767us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_SilverdaleWAMember
     
Accumulated Depreciation 27us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_SilverdaleWAMember
     
Olive Garden [Member] | Morgantown, WV [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_MorgantownWVMember
     
Land 1,765us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_MorgantownWVMember
     
Buildings, Fixtures and Improvements 2,199us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_MorgantownWVMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_MorgantownWVMember
     
Gross Amount Carried at December 31, 2014 3,964us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_MorgantownWVMember
     
Accumulated Depreciation 37us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OliveGardenMember
/ us-gaap_StatementGeographicalAxis
= arcp_MorgantownWVMember
     
Omnipoint Communication [Member] | Indianapolis, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 49,838us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OmnipointCommunicationMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndianapolisINMember
     
Land 5,770us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OmnipointCommunicationMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndianapolisINMember
     
Buildings, Fixtures and Improvements 64,073us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OmnipointCommunicationMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndianapolisINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OmnipointCommunicationMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndianapolisINMember
     
Gross Amount Carried at December 31, 2014 69,843us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OmnipointCommunicationMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndianapolisINMember
     
Accumulated Depreciation 5,116us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OmnipointCommunicationMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndianapolisINMember
     
On the Boarder [Member] | W. Windsor, NJ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,432us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_W.WindsorNJMember
     
Land 1,489us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_W.WindsorNJMember
     
Buildings, Fixtures and Improvements 1,703us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_W.WindsorNJMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_W.WindsorNJMember
     
Gross Amount Carried at December 31, 2014 3,192us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_W.WindsorNJMember
     
Accumulated Depreciation 124us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_W.WindsorNJMember
     
On the Boarder [Member] | Columbus, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,925us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbusOHMember
     
Land 1,594us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbusOHMember
     
Buildings, Fixtures and Improvements 1,558us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbusOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbusOHMember
     
Gross Amount Carried at December 31, 2014 3,152us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbusOHMember
     
Accumulated Depreciation 100us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbusOHMember
     
On the Boarder [Member] | Rogers, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 950us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_RogersARMember
     
Land 655us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_RogersARMember
     
Buildings, Fixtures and Improvements 1,500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_RogersARMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_RogersARMember
     
Gross Amount Carried at December 31, 2014 2,155us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_RogersARMember
     
Accumulated Depreciation 83us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_RogersARMember
     
On the Boarder [Member] | Tulsa, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_TulsaOKMember
     
Land 740us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_TulsaOKMember
     
Buildings, Fixtures and Improvements 2,956us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_TulsaOKMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_TulsaOKMember
     
Gross Amount Carried at December 31, 2014 3,696us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_TulsaOKMember
     
Accumulated Depreciation 161us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_TulsaOKMember
     
On the Boarder [Member] | Mesa, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,804us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_MesaAZMember
     
Land 2,090us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_MesaAZMember
     
Buildings, Fixtures and Improvements 1,534us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_MesaAZMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_MesaAZMember
     
Gross Amount Carried at December 31, 2014 3,624us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_MesaAZMember
     
Accumulated Depreciation 85us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_MesaAZMember
     
On the Boarder [Member] | Oklahoma City, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_OklahomaCityOKMember
     
Land 859us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_OklahomaCityOKMember
     
Buildings, Fixtures and Improvements 2,310us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_OklahomaCityOKMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_OklahomaCityOKMember
     
Gross Amount Carried at December 31, 2014 3,169us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_OklahomaCityOKMember
     
Accumulated Depreciation 129us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_OklahomaCityOKMember
     
On the Boarder [Member] | Peoria, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,562us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_PeoriaAZMember
     
Land 2,129us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_PeoriaAZMember
     
Buildings, Fixtures and Improvements 1,352us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_PeoriaAZMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_PeoriaAZMember
     
Gross Amount Carried at December 31, 2014 3,481us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_PeoriaAZMember
     
Accumulated Depreciation 69us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_PeoriaAZMember
     
On the Boarder [Member] | Alpharetta, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlpharettaGAMember
     
Land 1,771us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlpharettaGAMember
     
Buildings, Fixtures and Improvements 1,842us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlpharettaGAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlpharettaGAMember
     
Gross Amount Carried at December 31, 2014 3,613us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlpharettaGAMember
     
Accumulated Depreciation 102us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlpharettaGAMember
     
On the Boarder [Member] | Buford, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_BufordGAMember
     
Land 1,786us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_BufordGAMember
     
Buildings, Fixtures and Improvements 1,506us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_BufordGAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_BufordGAMember
     
Gross Amount Carried at December 31, 2014 3,292us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_BufordGAMember
     
Accumulated Depreciation 84us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_BufordGAMember
     
On the Boarder [Member] | Naperville, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_NapervilleILMember
     
Land 2,549us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_NapervilleILMember
     
Buildings, Fixtures and Improvements 1,414us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_NapervilleILMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_NapervilleILMember
     
Gross Amount Carried at December 31, 2014 3,963us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_NapervilleILMember
     
Accumulated Depreciation 92us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_NapervilleILMember
     
On the Boarder [Member] | West Springfield, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestSpringfieldMAMember
     
Land 413us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestSpringfieldMAMember
     
Buildings, Fixtures and Improvements 4,173us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestSpringfieldMAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestSpringfieldMAMember
     
Gross Amount Carried at December 31, 2014 4,586us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestSpringfieldMAMember
     
Accumulated Depreciation 218us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestSpringfieldMAMember
     
On the Boarder [Member] | Auburn Hills, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuburnHillsMIMember
     
Land 1,355us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuburnHillsMIMember
     
Buildings, Fixtures and Improvements 2,745us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuburnHillsMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuburnHillsMIMember
     
Gross Amount Carried at December 31, 2014 4,100us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuburnHillsMIMember
     
Accumulated Depreciation 141us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuburnHillsMIMember
     
On the Boarder [Member] | Novi, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_NoviMIMember
     
Land 444us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_NoviMIMember
     
Buildings, Fixtures and Improvements 3,176us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_NoviMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_NoviMIMember
     
Gross Amount Carried at December 31, 2014 3,620us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_NoviMIMember
     
Accumulated Depreciation 158us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_NoviMIMember
     
On the Boarder [Member] | Kansas City, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,454us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_KansasCityMOMember
     
Land 1,743us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_KansasCityMOMember
     
Buildings, Fixtures and Improvements 1,039us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_KansasCityMOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_KansasCityMOMember
     
Gross Amount Carried at December 31, 2014 2,782us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_KansasCityMOMember
     
Accumulated Depreciation 71us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_KansasCityMOMember
     
On the Boarder [Member] | Lees Summit, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,200us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_LeesSummitMOMember
     
Land 1,647us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_LeesSummitMOMember
     
Buildings, Fixtures and Improvements 1,008us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_LeesSummitMOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_LeesSummitMOMember
     
Gross Amount Carried at December 31, 2014 2,655us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_LeesSummitMOMember
     
Accumulated Depreciation 67us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_LeesSummitMOMember
     
On the Boarder [Member] | Concord Mills, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_ConcordMillsNCMember
     
Land 1,903us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_ConcordMillsNCMember
     
Buildings, Fixtures and Improvements 1,456us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_ConcordMillsNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_ConcordMillsNCMember
     
Gross Amount Carried at December 31, 2014 3,359us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_ConcordMillsNCMember
     
Accumulated Depreciation 90us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_ConcordMillsNCMember
     
On the Boarder [Member] | Mt. Laurel, NJ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 713us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_Mt.LaurelNJMember
     
Land 1,446us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_Mt.LaurelNJMember
     
Buildings, Fixtures and Improvements 1,938us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_Mt.LaurelNJMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_Mt.LaurelNJMember
     
Gross Amount Carried at December 31, 2014 3,384us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_Mt.LaurelNJMember
     
Accumulated Depreciation 107us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_Mt.LaurelNJMember
     
On the Boarder [Member] | Burleson, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_BurlesonTXMember
     
Land 891us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_BurlesonTXMember
     
Buildings, Fixtures and Improvements 2,844us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_BurlesonTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_BurlesonTXMember
     
Gross Amount Carried at December 31, 2014 3,735us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_BurlesonTXMember
     
Accumulated Depreciation 153us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_BurlesonTXMember
     
On the Boarder [Member] | College Station, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_CollegeStationTXMember
     
Land 2,218us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_CollegeStationTXMember
     
Buildings, Fixtures and Improvements 1,471us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_CollegeStationTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_CollegeStationTXMember
     
Gross Amount Carried at December 31, 2014 3,689us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_CollegeStationTXMember
     
Accumulated Depreciation 81us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_CollegeStationTXMember
     
On the Boarder [Member] | Denton, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_DentonTXMember
     
Land 1,419us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_DentonTXMember
     
Buildings, Fixtures and Improvements 2,012us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_DentonTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_DentonTXMember
     
Gross Amount Carried at December 31, 2014 3,431us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_DentonTXMember
     
Accumulated Depreciation 111us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_DentonTXMember
     
On the Boarder [Member] | Desoto, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_DesotoTXMember
     
Land 751us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_DesotoTXMember
     
Buildings, Fixtures and Improvements 3,207us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_DesotoTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_DesotoTXMember
     
Gross Amount Carried at December 31, 2014 3,958us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_DesotoTXMember
     
Accumulated Depreciation 166us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_DesotoTXMember
     
On the Boarder [Member] | Fort Worth, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWorthTXMember
     
Land 1,222us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWorthTXMember
     
Buildings, Fixtures and Improvements 2,991us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWorthTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWorthTXMember
     
Gross Amount Carried at December 31, 2014 4,213us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWorthTXMember
     
Accumulated Depreciation 156us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWorthTXMember
     
On the Boarder [Member] | Garland, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarlandTXMember
     
Land 1,065us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarlandTXMember
     
Buildings, Fixtures and Improvements 1,692us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarlandTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarlandTXMember
     
Gross Amount Carried at December 31, 2014 2,757us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarlandTXMember
     
Accumulated Depreciation 91us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarlandTXMember
     
On the Boarder [Member] | Lubbock, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_LubbockTXMember
     
Land 375us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_LubbockTXMember
     
Buildings, Fixtures and Improvements 3,679us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_LubbockTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_LubbockTXMember
     
Gross Amount Carried at December 31, 2014 4,054us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_LubbockTXMember
     
Accumulated Depreciation 185us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_LubbockTXMember
     
On the Boarder [Member] | Rockwall, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockwallTXMember
     
Land 693us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockwallTXMember
     
Buildings, Fixtures and Improvements 3,244us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockwallTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockwallTXMember
     
Gross Amount Carried at December 31, 2014 3,937us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockwallTXMember
     
Accumulated Depreciation 158us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockwallTXMember
     
On the Boarder [Member] | Woodbridge, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodbridgeVAMember
     
Land 1,799us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodbridgeVAMember
     
Buildings, Fixtures and Improvements 899us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodbridgeVAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodbridgeVAMember
     
Gross Amount Carried at December 31, 2014 2,698us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodbridgeVAMember
     
Accumulated Depreciation 100us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OntheBoarderMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodbridgeVAMember
     
O'Reilly Auto Parts [Member] | Louisville, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Land 573us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Buildings, Fixtures and Improvements 794us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Gross Amount Carried at December 31, 2014 1,367us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Accumulated Depreciation 38us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
O'Reilly Auto Parts [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 560us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Land 340us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Buildings, Fixtures and Improvements 895us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Gross Amount Carried at December 31, 2014 1,235us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Accumulated Depreciation 38us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
O'Reilly Auto Parts [Member] | Oneonta, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_OneontaALMember
     
Land 81us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_OneontaALMember
     
Buildings, Fixtures and Improvements 460us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_OneontaALMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_OneontaALMember
     
Gross Amount Carried at December 31, 2014 541us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_OneontaALMember
     
Accumulated Depreciation 61us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_OneontaALMember
     
O'Reilly Auto Parts [Member] | Breaux Bridge, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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= arcp_BreauxBridgeLAMember
     
Land 139us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_BreauxBridgeLAMember
     
Buildings, Fixtures and Improvements 738us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_BreauxBridgeLAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_BreauxBridgeLAMember
     
Gross Amount Carried at December 31, 2014 877us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_BreauxBridgeLAMember
     
Accumulated Depreciation 36us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_BreauxBridgeLAMember
     
O'Reilly Auto Parts [Member] | Central, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_CentralLAMember
     
Land 104us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_CentralLAMember
     
Buildings, Fixtures and Improvements 915us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_CentralLAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_CentralLAMember
     
Gross Amount Carried at December 31, 2014 1,019us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_CentralLAMember
     
Accumulated Depreciation 42us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_CentralLAMember
     
O'Reilly Auto Parts [Member] | La Place, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaPlaceLAMember
     
Land 342us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaPlaceLAMember
     
Buildings, Fixtures and Improvements 819us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaPlaceLAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaPlaceLAMember
     
Gross Amount Carried at December 31, 2014 1,161us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaPlaceLAMember
     
Accumulated Depreciation 39us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaPlaceLAMember
     
O'Reilly Auto Parts [Member] | New Roads, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewRoadsLAMember
     
Land 175us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewRoadsLAMember
     
Buildings, Fixtures and Improvements 737us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewRoadsLAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewRoadsLAMember
     
Gross Amount Carried at December 31, 2014 912us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewRoadsLAMember
     
Accumulated Depreciation 36us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewRoadsLAMember
     
O'Reilly Auto Parts [Member] | Ravenna, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_RavennaOHMember
     
Land 144us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_RavennaOHMember
     
Buildings, Fixtures and Improvements 1,137us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_RavennaOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_RavennaOHMember
     
Gross Amount Carried at December 31, 2014 1,281us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_RavennaOHMember
     
Accumulated Depreciation 52us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_RavennaOHMember
     
O'Reilly Auto Parts [Member] | Willard, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_WillardOHMember
     
Land 137us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_WillardOHMember
     
Buildings, Fixtures and Improvements 877us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_WillardOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_WillardOHMember
     
Gross Amount Carried at December 31, 2014 1,014us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_WillardOHMember
     
Accumulated Depreciation 39us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_WillardOHMember
     
O'Reilly Auto Parts [Member] | Highlands, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 485us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_HighlandsTXMember
     
Land 281us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_HighlandsTXMember
     
Buildings, Fixtures and Improvements 813us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_HighlandsTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_HighlandsTXMember
     
Gross Amount Carried at December 31, 2014 1,094us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_HighlandsTXMember
     
Accumulated Depreciation 35us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_HighlandsTXMember
     
O'Reilly Auto Parts [Member] | San Antonio, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 703us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAntonioTXMember
     
Land 439us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAntonioTXMember
     
Buildings, Fixtures and Improvements 1,030us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAntonioTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAntonioTXMember
     
Gross Amount Carried at December 31, 2014 1,469us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAntonioTXMember
     
Accumulated Depreciation 45us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAntonioTXMember
     
O'Reilly Auto Parts [Member] | Christiansburg, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 646us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChristiansburgVAMember
     
Land 562us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChristiansburgVAMember
     
Buildings, Fixtures and Improvements 793us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChristiansburgVAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChristiansburgVAMember
     
Gross Amount Carried at December 31, 2014 1,355us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChristiansburgVAMember
     
Accumulated Depreciation 35us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChristiansburgVAMember
     
O'Reilly Auto Parts [Member] | Laramie, WY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaramieWYMember
     
Land 144us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaramieWYMember
     
Buildings, Fixtures and Improvements 1,297us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaramieWYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaramieWYMember
     
Gross Amount Carried at December 31, 2014 1,441us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaramieWYMember
     
Accumulated Depreciation 161us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OReillyAutoPartsMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaramieWYMember
     
Outback Steakhouse [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Land 964us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Buildings, Fixtures and Improvements 2,321us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Gross Amount Carried at December 31, 2014 3,285us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Accumulated Depreciation 112us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Outback Steakhouse [Member] | Pittsburgh, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPAMember
     
Land 1,370us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPAMember
     
Buildings, Fixtures and Improvements 932us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPAMember
     
Gross Amount Carried at December 31, 2014 2,302us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPAMember
     
Accumulated Depreciation 74us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPAMember
     
Outback Steakhouse [Member] | Conroe, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_ConroeTXMember
     
Land 959us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_ConroeTXMember
     
Buildings, Fixtures and Improvements 2,063us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_ConroeTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_ConroeTXMember
     
Gross Amount Carried at December 31, 2014 3,022us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_ConroeTXMember
     
Accumulated Depreciation 99us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_ConroeTXMember
     
Outback Steakhouse [Member] | Lees Summit, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_LeesSummitMOMember
     
Land 901us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_LeesSummitMOMember
     
Buildings, Fixtures and Improvements 620us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_LeesSummitMOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_LeesSummitMOMember
     
Gross Amount Carried at December 31, 2014 1,521us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_LeesSummitMOMember
     
Accumulated Depreciation 38us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_LeesSummitMOMember
     
Outback Steakhouse [Member] | Fort Smith, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortSmithARMember
     
Land 841us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortSmithARMember
     
Buildings, Fixtures and Improvements 1,996us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortSmithARMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortSmithARMember
     
Gross Amount Carried at December 31, 2014 2,837us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortSmithARMember
     
Accumulated Depreciation 111us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortSmithARMember
     
Outback Steakhouse [Member] | Centennial, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_CentennialCOMember
     
Land 1,378us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_CentennialCOMember
     
Buildings, Fixtures and Improvements 1,397us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_CentennialCOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_CentennialCOMember
     
Gross Amount Carried at December 31, 2014 2,775us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_CentennialCOMember
     
Accumulated Depreciation 79us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_CentennialCOMember
     
Outback Steakhouse [Member] | Jacksonville, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonvilleFLMember
     
Land 770us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonvilleFLMember
     
Buildings, Fixtures and Improvements 2,261us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonvilleFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonvilleFLMember
     
Gross Amount Carried at December 31, 2014 3,031us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonvilleFLMember
     
Accumulated Depreciation 112us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonvilleFLMember
     
Outback Steakhouse [Member] | Sebring, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_SebringFLMember
     
Land 981us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_SebringFLMember
     
Buildings, Fixtures and Improvements 1,695us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_SebringFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_SebringFLMember
     
Gross Amount Carried at December 31, 2014 2,676us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_SebringFLMember
     
Accumulated Depreciation 95us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_SebringFLMember
     
Outback Steakhouse [Member] | Fort Wayne, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWayneINMember
     
Land 733us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWayneINMember
     
Buildings, Fixtures and Improvements 984us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWayneINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWayneINMember
     
Gross Amount Carried at December 31, 2014 1,717us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWayneINMember
     
Accumulated Depreciation 92us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWayneINMember
     
Outback Steakhouse [Member] | Lexington, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_LexingtonKYMember
     
Land 1,077us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_LexingtonKYMember
     
Buildings, Fixtures and Improvements 2,139us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_LexingtonKYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_LexingtonKYMember
     
Gross Amount Carried at December 31, 2014 3,216us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_LexingtonKYMember
     
Accumulated Depreciation 115us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_LexingtonKYMember
     
Outback Steakhouse [Member] | Baton Rouge, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_BatonRougeLAMember
     
Land 742us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_BatonRougeLAMember
     
Buildings, Fixtures and Improvements 1,272us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_BatonRougeLAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_BatonRougeLAMember
     
Gross Amount Carried at December 31, 2014 2,014us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_BatonRougeLAMember
     
Accumulated Depreciation 68us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_BatonRougeLAMember
     
Outback Steakhouse [Member] | Southgate, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthgateMIMember
     
Land 787us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthgateMIMember
     
Buildings, Fixtures and Improvements 2,742us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthgateMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthgateMIMember
     
Gross Amount Carried at December 31, 2014 3,529us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthgateMIMember
     
Accumulated Depreciation 140us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthgateMIMember
     
Outback Steakhouse [Member] | Garner, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarnerNCMember
     
Land 1,088us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarnerNCMember
     
Buildings, Fixtures and Improvements 1,817us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarnerNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarnerNCMember
     
Gross Amount Carried at December 31, 2014 2,905us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarnerNCMember
     
Accumulated Depreciation 99us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarnerNCMember
     
Outback Steakhouse [Member] | Las Cruces, NM [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_LasCrucesNMMember
     
Land 536us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_LasCrucesNMMember
     
Buildings, Fixtures and Improvements 1,549us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_LasCrucesNMMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_LasCrucesNMMember
     
Gross Amount Carried at December 31, 2014 2,085us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_LasCrucesNMMember
     
Accumulated Depreciation 81us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_LasCrucesNMMember
     
Outback Steakhouse [Member] | Boardman, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoardmanOHMember
     
Land 575us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoardmanOHMember
     
Buildings, Fixtures and Improvements 2,742us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoardmanOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoardmanOHMember
     
Gross Amount Carried at December 31, 2014 3,317us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoardmanOHMember
     
Accumulated Depreciation 143us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoardmanOHMember
     
Outback Steakhouse [Member] | Independence, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndependenceOHMember
     
Land 901us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndependenceOHMember
     
Buildings, Fixtures and Improvements 2,268us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndependenceOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndependenceOHMember
     
Gross Amount Carried at December 31, 2014 3,169us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndependenceOHMember
     
Accumulated Depreciation 98us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndependenceOHMember
     
Outback Steakhouse [Member] | Mcallen, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_McallenTXMember
     
Land 835us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_McallenTXMember
     
Buildings, Fixtures and Improvements 443us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_McallenTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_McallenTXMember
     
Gross Amount Carried at December 31, 2014 1,278us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_McallenTXMember
     
Accumulated Depreciation 24us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_McallenTXMember
     
Outback Steakhouse [Member] | Colonial Heights, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColonialHeightsVAMember
     
Land 1,297us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColonialHeightsVAMember
     
Buildings, Fixtures and Improvements 746us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColonialHeightsVAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColonialHeightsVAMember
     
Gross Amount Carried at December 31, 2014 2,043us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColonialHeightsVAMember
     
Accumulated Depreciation 99us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColonialHeightsVAMember
     
Outback Steakhouse [Member] | Newport News, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewportNewsVAMember
     
Land 600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewportNewsVAMember
     
Buildings, Fixtures and Improvements 1,356us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewportNewsVAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewportNewsVAMember
     
Gross Amount Carried at December 31, 2014 1,956us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewportNewsVAMember
     
Accumulated Depreciation 120us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewportNewsVAMember
     
Outback Steakhouse [Member] | Winchester, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinchesterVAMember
     
Land 704us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinchesterVAMember
     
Buildings, Fixtures and Improvements 1,310us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinchesterVAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinchesterVAMember
     
Gross Amount Carried at December 31, 2014 2,014us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinchesterVAMember
     
Accumulated Depreciation 128us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OutbackSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinchesterVAMember
     
Owens & Minor [Member] | Cleveland, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OwensMinorMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOHMember
     
Land 755us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OwensMinorMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOHMember
     
Buildings, Fixtures and Improvements 6,077us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OwensMinorMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OwensMinorMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOHMember
     
Gross Amount Carried at December 31, 2014 6,832us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OwensMinorMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOHMember
     
Accumulated Depreciation 96us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OwensMinorMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOHMember
     
Owens Corning [Member] | Newark, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OwensCorningMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewarkOHMember
     
Land 725us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OwensCorningMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewarkOHMember
     
Buildings, Fixtures and Improvements 13,013us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OwensCorningMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewarkOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OwensCorningMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewarkOHMember
     
Gross Amount Carried at December 31, 2014 13,738us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OwensCorningMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewarkOHMember
     
Accumulated Depreciation 518us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OwensCorningMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewarkOHMember
     
Owens Corning [Member] | Wichita Falls, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OwensCorningMember
/ us-gaap_StatementGeographicalAxis
= arcp_WichitaFallsTXMember
     
Land 231us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OwensCorningMember
/ us-gaap_StatementGeographicalAxis
= arcp_WichitaFallsTXMember
     
Buildings, Fixtures and Improvements 847us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OwensCorningMember
/ us-gaap_StatementGeographicalAxis
= arcp_WichitaFallsTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OwensCorningMember
/ us-gaap_StatementGeographicalAxis
= arcp_WichitaFallsTXMember
     
Gross Amount Carried at December 31, 2014 1,078us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OwensCorningMember
/ us-gaap_StatementGeographicalAxis
= arcp_WichitaFallsTXMember
     
Accumulated Depreciation $ 31us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_OwensCorningMember
/ us-gaap_StatementGeographicalAxis
= arcp_WichitaFallsTXMember