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Schedule III - Section 6 (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
Citizens Bank [Member] | Dearborn, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Land 434us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Buildings, Fixtures and Improvements 2,461us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DearbornMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DearbornMIMember
     
Gross Amount Carried at December 31, 2014 2,895us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
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Accumulated Depreciation 652us-gaap_RealEstateAccumulatedDepreciation
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= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DearbornMIMember
     
Citizens Bank [Member] | Dearborn, MI 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Land 385us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Buildings, Fixtures and Improvements 2,184us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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= arcp_CitizensBankMember
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Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DearbornMI2Member
     
Gross Amount Carried at December 31, 2014 2,569us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
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Accumulated Depreciation 579us-gaap_RealEstateAccumulatedDepreciation
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= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DearbornMI2Member
     
Citizens Bank [Member] | Detroit, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Land 112us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Buildings, Fixtures and Improvements 636us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DetroitMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DetroitMIMember
     
Gross Amount Carried at December 31, 2014 748us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
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Accumulated Depreciation 183us-gaap_RealEstateAccumulatedDepreciation
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= arcp_CitizensBankMember
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= arcp_DetroitMIMember
     
Citizens Bank [Member] | Detroit, MI 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Land 204us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Buildings, Fixtures and Improvements 1,159us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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= arcp_CitizensBankMember
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= arcp_DetroitMI2Member
     
Gross Amount Carried at December 31, 2014 1,363us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
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Accumulated Depreciation 334us-gaap_RealEstateAccumulatedDepreciation
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= arcp_CitizensBankMember
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= arcp_DetroitMI2Member
     
Citizens Bank [Member] | Farmington, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Land 303us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Buildings, Fixtures and Improvements 707us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_FarmingtonMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
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= arcp_FarmingtonMIMember
     
Gross Amount Carried at December 31, 2014 1,010us-gaap_RealEstateGrossAtCarryingValue
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= arcp_CitizensBankMember
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Accumulated Depreciation 77us-gaap_RealEstateAccumulatedDepreciation
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= arcp_FarmingtonMIMember
     
Citizens Bank [Member] | Grosse Pointe, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Land 410us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Buildings, Fixtures and Improvements 2,322us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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= arcp_CitizensBankMember
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= arcp_GrossePointeMIMember
     
Gross Amount Carried at December 31, 2014 2,732us-gaap_RealEstateGrossAtCarryingValue
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= arcp_CitizensBankMember
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Accumulated Depreciation 652us-gaap_RealEstateAccumulatedDepreciation
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Citizens Bank [Member] | Harper Woods, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Land 207us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Buildings, Fixtures and Improvements 1,171us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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= arcp_CitizensBankMember
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= arcp_HarperWoodsMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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= arcp_CitizensBankMember
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= arcp_HarperWoodsMIMember
     
Gross Amount Carried at December 31, 2014 1,378us-gaap_RealEstateGrossAtCarryingValue
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= arcp_CitizensBankMember
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Accumulated Depreciation 337us-gaap_RealEstateAccumulatedDepreciation
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= arcp_CitizensBankMember
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= arcp_HarperWoodsMIMember
     
Citizens Bank [Member] | Highland Park, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Land 150us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Buildings, Fixtures and Improvements 848us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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= arcp_CitizensBankMember
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= arcp_HighlandParkMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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= arcp_CitizensBankMember
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Gross Amount Carried at December 31, 2014 998us-gaap_RealEstateGrossAtCarryingValue
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Accumulated Depreciation 244us-gaap_RealEstateAccumulatedDepreciation
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= arcp_CitizensBankMember
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= arcp_HighlandParkMIMember
     
Citizens Bank [Member] | Lathrup Village, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Land 283us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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= arcp_LathrupVillageMIMember
     
Buildings, Fixtures and Improvements 1,602us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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= arcp_CitizensBankMember
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= arcp_LathrupVillageMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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= arcp_CitizensBankMember
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= arcp_LathrupVillageMIMember
     
Gross Amount Carried at December 31, 2014 1,885us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
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= arcp_LathrupVillageMIMember
     
Accumulated Depreciation 456us-gaap_RealEstateAccumulatedDepreciation
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= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LathrupVillageMIMember
     
Citizens Bank [Member] | Livonia, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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= arcp_LivoniaMIMember
     
Land 261us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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= arcp_CitizensBankMember
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= arcp_LivoniaMIMember
     
Buildings, Fixtures and Improvements 1,476us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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= arcp_CitizensBankMember
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= arcp_LivoniaMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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= arcp_LivoniaMIMember
     
Gross Amount Carried at December 31, 2014 1,737us-gaap_RealEstateGrossAtCarryingValue
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Accumulated Depreciation 425us-gaap_RealEstateAccumulatedDepreciation
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= arcp_CitizensBankMember
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= arcp_LivoniaMIMember
     
Citizens Bank [Member] | Richmond, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
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= arcp_RichmondMIMember
     
Land 168us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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= arcp_CitizensBankMember
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= arcp_RichmondMIMember
     
Buildings, Fixtures and Improvements 951us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RichmondMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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= arcp_RichmondMIMember
     
Gross Amount Carried at December 31, 2014 1,119us-gaap_RealEstateGrossAtCarryingValue
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Accumulated Depreciation 274us-gaap_RealEstateAccumulatedDepreciation
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= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RichmondMIMember
     
Citizens Bank [Member] | Southfield, MI [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_SouthfieldMIMember
     
Land 283us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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= arcp_CitizensBankMember
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= arcp_SouthfieldMIMember
     
Buildings, Fixtures and Improvements 1,605us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthfieldMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthfieldMIMember
     
Gross Amount Carried at December 31, 2014 1,888us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthfieldMIMember
     
Accumulated Depreciation 459us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthfieldMIMember
     
Citizens Bank [Member] | St. Clair Shores, MI [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_St.ClairShoresMIMember
     
Land 309us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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= arcp_CitizensBankMember
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= arcp_St.ClairShoresMIMember
     
Buildings, Fixtures and Improvements 1,748us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.ClairShoresMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.ClairShoresMIMember
     
Gross Amount Carried at December 31, 2014 2,057us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.ClairShoresMIMember
     
Accumulated Depreciation 503us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.ClairShoresMIMember
     
Citizens Bank [Member] | Troy, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TroyMIMember
     
Land 312us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TroyMIMember
     
Buildings, Fixtures and Improvements 935us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TroyMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TroyMIMember
     
Gross Amount Carried at December 31, 2014 1,247us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TroyMIMember
     
Accumulated Depreciation 102us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TroyMIMember
     
Citizens Bank [Member] | Utica, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_UticaMIMember
     
Land 376us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_UticaMIMember
     
Buildings, Fixtures and Improvements 2,133us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_UticaMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_UticaMIMember
     
Gross Amount Carried at December 31, 2014 2,509us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_UticaMIMember
     
Accumulated Depreciation 599us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_UticaMIMember
     
Citizens Bank [Member] | Warren, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenMIMember
     
Land 178us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenMIMember
     
Buildings, Fixtures and Improvements 1,009us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenMIMember
     
Gross Amount Carried at December 31, 2014 1,187us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenMIMember
     
Accumulated Depreciation 287us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenMIMember
     
Citizens Bank [Member] | Keene, NH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,885us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KeeneNHMember
     
Land 132us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KeeneNHMember
     
Buildings, Fixtures and Improvements 2,511us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KeeneNHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KeeneNHMember
     
Gross Amount Carried at December 31, 2014 2,643us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KeeneNHMember
     
Accumulated Depreciation 275us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KeeneNHMember
     
Citizens Bank [Member] | Manchester, NH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManchesterNHMember
     
Land 640us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManchesterNHMember
     
Buildings, Fixtures and Improvements 782us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManchesterNHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManchesterNHMember
     
Gross Amount Carried at December 31, 2014 1,422us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManchesterNHMember
     
Accumulated Depreciation 96us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManchesterNHMember
     
Citizens Bank [Member] | Manchester, NH 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManchesterNH2Member
     
Land 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManchesterNH2Member
     
Buildings, Fixtures and Improvements 1,568us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManchesterNH2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManchesterNH2Member
     
Gross Amount Carried at December 31, 2014 1,568us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManchesterNH2Member
     
Accumulated Depreciation 172us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManchesterNH2Member
     
Citizens Bank [Member] | Ossipee, NH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 269us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_OssipeeNHMember
     
Land 176us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_OssipeeNHMember
     
Buildings, Fixtures and Improvements 264us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_OssipeeNHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_OssipeeNHMember
     
Gross Amount Carried at December 31, 2014 440us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_OssipeeNHMember
     
Accumulated Depreciation 38us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_OssipeeNHMember
     
Citizens Bank [Member] | Pelham, NH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 280us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PelhamNHMember
     
Land 113us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PelhamNHMember
     
Buildings, Fixtures and Improvements 340us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PelhamNHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PelhamNHMember
     
Gross Amount Carried at December 31, 2014 453us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PelhamNHMember
     
Accumulated Depreciation 49us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PelhamNHMember
     
Citizens Bank [Member] | Pittsfield, NH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsfieldNHMember
     
Land 160us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsfieldNHMember
     
Buildings, Fixtures and Improvements 908us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsfieldNHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsfieldNHMember
     
Gross Amount Carried at December 31, 2014 1,068us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsfieldNHMember
     
Accumulated Depreciation 258us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsfieldNHMember
     
Citizens Bank [Member] | Rollinsford, NH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RollinsfordNHMember
     
Land 78us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RollinsfordNHMember
     
Buildings, Fixtures and Improvements 444us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RollinsfordNHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RollinsfordNHMember
     
Gross Amount Carried at December 31, 2014 522us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RollinsfordNHMember
     
Accumulated Depreciation 126us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RollinsfordNHMember
     
Citizens Bank [Member] | Salem, NH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SalemNHMember
     
Land 328us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SalemNHMember
     
Buildings, Fixtures and Improvements 1,312us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SalemNHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SalemNHMember
     
Gross Amount Carried at December 31, 2014 1,640us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SalemNHMember
     
Accumulated Depreciation 144us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SalemNHMember
     
Citizens Bank [Member] | Haddon Heights, NJ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HaddonHeightsNJMember
     
Land 316us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HaddonHeightsNJMember
     
Buildings, Fixtures and Improvements 948us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HaddonHeightsNJMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HaddonHeightsNJMember
     
Gross Amount Carried at December 31, 2014 1,264us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HaddonHeightsNJMember
     
Accumulated Depreciation 74us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HaddonHeightsNJMember
     
Citizens Bank [Member] | Marlton, NJ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 781us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MarltonNJMember
     
Land 444us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MarltonNJMember
     
Buildings, Fixtures and Improvements 825us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MarltonNJMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MarltonNJMember
     
Gross Amount Carried at December 31, 2014 1,269us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MarltonNJMember
     
Accumulated Depreciation 120us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MarltonNJMember
     
Citizens Bank [Member] | Albany, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 823us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbanyNYMember
     
Land 232us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbanyNYMember
     
Buildings, Fixtures and Improvements 1,315us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbanyNYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbanyNYMember
     
Gross Amount Carried at December 31, 2014 1,547us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbanyNYMember
     
Accumulated Depreciation 348us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbanyNYMember
     
Citizens Bank [Member] | Amherst, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 881us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
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= arcp_AmherstNYMember
     
Land 238us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AmherstNYMember
     
Buildings, Fixtures and Improvements 1,348us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AmherstNYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AmherstNYMember
     
Gross Amount Carried at December 31, 2014 1,586us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AmherstNYMember
     
Accumulated Depreciation 364us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AmherstNYMember
     
Citizens Bank [Member] | East Aurora, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 599us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_EastAuroraNYMember
     
Land 162us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_EastAuroraNYMember
     
Buildings, Fixtures and Improvements 919us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_EastAuroraNYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_EastAuroraNYMember
     
Gross Amount Carried at December 31, 2014 1,081us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_EastAuroraNYMember
     
Accumulated Depreciation 248us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_EastAuroraNYMember
     
Citizens Bank [Member] | Greene, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 768us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreeneNYMember
     
Land 216us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreeneNYMember
     
Buildings, Fixtures and Improvements 1,227us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreeneNYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreeneNYMember
     
Gross Amount Carried at December 31, 2014 1,443us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreeneNYMember
     
Accumulated Depreciation 325us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreeneNYMember
     
Citizens Bank [Member] | Johnstown, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 578us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_JohnstownNYMember
     
Land 163us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_JohnstownNYMember
     
Buildings, Fixtures and Improvements 923us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_JohnstownNYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_JohnstownNYMember
     
Gross Amount Carried at December 31, 2014 1,086us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_JohnstownNYMember
     
Accumulated Depreciation 245us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_JohnstownNYMember
     
Citizens Bank [Member] | Port Jervis, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 531us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PortJervisNYMember
     
Land 143us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PortJervisNYMember
     
Buildings, Fixtures and Improvements 811us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PortJervisNYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PortJervisNYMember
     
Gross Amount Carried at December 31, 2014 954us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PortJervisNYMember
     
Accumulated Depreciation 224us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PortJervisNYMember
     
Citizens Bank [Member] | Rochester, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 616us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RochesterNYMember
     
Land 166us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RochesterNYMember
     
Buildings, Fixtures and Improvements 943us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RochesterNYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RochesterNYMember
     
Gross Amount Carried at December 31, 2014 1,109us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RochesterNYMember
     
Accumulated Depreciation 255us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RochesterNYMember
     
Citizens Bank [Member] | Schenectady, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,036us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SchenectadyNYMember
     
Land 292us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SchenectadyNYMember
     
Buildings, Fixtures and Improvements 1,655us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SchenectadyNYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SchenectadyNYMember
     
Gross Amount Carried at December 31, 2014 1,947us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SchenectadyNYMember
     
Accumulated Depreciation 439us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SchenectadyNYMember
     
Citizens Bank [Member] | Vails Gate, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,008us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_VailsGateNYMember
     
Land 284us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_VailsGateNYMember
     
Buildings, Fixtures and Improvements 1,610us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_VailsGateNYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_VailsGateNYMember
     
Gross Amount Carried at December 31, 2014 1,894us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_VailsGateNYMember
     
Accumulated Depreciation 427us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_VailsGateNYMember
     
Citizens Bank [Member] | Whitesboro, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 463us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WhitesboroNYMember
     
Land 130us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WhitesboroNYMember
     
Buildings, Fixtures and Improvements 739us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WhitesboroNYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WhitesboroNYMember
     
Gross Amount Carried at December 31, 2014 869us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WhitesboroNYMember
     
Accumulated Depreciation 196us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WhitesboroNYMember
     
Citizens Bank [Member] | Alliance, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AllianceOHMember
     
Land 204us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AllianceOHMember
     
Buildings, Fixtures and Improvements 1,156us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AllianceOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AllianceOHMember
     
Gross Amount Carried at December 31, 2014 1,360us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AllianceOHMember
     
Accumulated Depreciation 335us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AllianceOHMember
     
Citizens Bank [Member] | Bedford, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 533us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BedfordOHMember
     
Land 175us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BedfordOHMember
     
Buildings, Fixtures and Improvements 699us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BedfordOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BedfordOHMember
     
Gross Amount Carried at December 31, 2014 874us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BedfordOHMember
     
Accumulated Depreciation 101us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BedfordOHMember
     
Citizens Bank [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_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoardmanOHMember
     
Land 280us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoardmanOHMember
     
Buildings, Fixtures and Improvements 1,589us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoardmanOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoardmanOHMember
     
Gross Amount Carried at December 31, 2014 1,869us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoardmanOHMember
     
Accumulated Depreciation 460us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoardmanOHMember
     
Citizens Bank [Member] | Broadview Heights, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BroadviewHeightsOHMember
     
Land 201us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BroadviewHeightsOHMember
     
Buildings, Fixtures and Improvements 1,140us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BroadviewHeightsOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BroadviewHeightsOHMember
     
Gross Amount Carried at December 31, 2014 1,341us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BroadviewHeightsOHMember
     
Accumulated Depreciation 314us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BroadviewHeightsOHMember
     
Citizens Bank [Member] | Brunswick, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrunswickOHMember
     
Land 186us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrunswickOHMember
     
Buildings, Fixtures and Improvements 1,057us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrunswickOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrunswickOHMember
     
Gross Amount Carried at December 31, 2014 1,243us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrunswickOHMember
     
Accumulated Depreciation 306us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrunswickOHMember
     
Citizens Bank [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_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOHMember
     
Land 239us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOHMember
     
Buildings, Fixtures and Improvements 1,357us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOHMember
     
Gross Amount Carried at December 31, 2014 1,596us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOHMember
     
Accumulated Depreciation 393us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOHMember
     
Citizens Bank [Member] | Cleveland, OH 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOH2Member
     
Land 210us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOH2Member
     
Buildings, Fixtures and Improvements 1,190us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOH2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOH2Member
     
Gross Amount Carried at December 31, 2014 1,400us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOH2Member
     
Accumulated Depreciation 345us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOH2Member
     
Citizens Bank [Member] | Cleveland, OH 3 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOH3Member
     
Land 182us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOH3Member
     
Buildings, Fixtures and Improvements 1,031us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOH3Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOH3Member
     
Gross Amount Carried at December 31, 2014 1,213us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOH3Member
     
Accumulated Depreciation 299us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOH3Member
     
Citizens Bank [Member] | Fairlawn, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,885us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairlawnOHMember
     
Land 511us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairlawnOHMember
     
Buildings, Fixtures and Improvements 2,045us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairlawnOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairlawnOHMember
     
Gross Amount Carried at December 31, 2014 2,556us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairlawnOHMember
     
Accumulated Depreciation 224us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairlawnOHMember
     
Citizens Bank [Member] | Lakewood, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LakewoodOHMember
     
Land 196us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LakewoodOHMember
     
Buildings, Fixtures and Improvements 1,111us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LakewoodOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LakewoodOHMember
     
Gross Amount Carried at December 31, 2014 1,307us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LakewoodOHMember
     
Accumulated Depreciation 294us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LakewoodOHMember
     
Citizens Bank [Member] | Louisville, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleOHMember
     
Land 191us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleOHMember
     
Buildings, Fixtures and Improvements 1,080us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleOHMember
     
Gross Amount Carried at December 31, 2014 1,271us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleOHMember
     
Accumulated Depreciation 313us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleOHMember
     
Citizens Bank [Member] | Massillon, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MassillonOHMember
     
Land 287us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MassillonOHMember
     
Buildings, Fixtures and Improvements 1,624us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MassillonOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MassillonOHMember
     
Gross Amount Carried at December 31, 2014 1,911us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MassillonOHMember
     
Accumulated Depreciation 470us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MassillonOHMember
     
Citizens Bank [Member] | Massillon, OH 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MassillonOH2Member
     
Land 212us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MassillonOH2Member
     
Buildings, Fixtures and Improvements 1,202us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MassillonOH2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MassillonOH2Member
     
Gross Amount Carried at December 31, 2014 1,414us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MassillonOH2Member
     
Accumulated Depreciation 348us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MassillonOH2Member
     
Citizens Bank [Member] | Mentor, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MentorOHMember
     
Land 178us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MentorOHMember
     
Buildings, Fixtures and Improvements 1,011us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MentorOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MentorOHMember
     
Gross Amount Carried at December 31, 2014 1,189us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MentorOHMember
     
Accumulated Depreciation 288us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MentorOHMember
     
Citizens Bank [Member] | Northfield, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthfieldOHMember
     
Land 317us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthfieldOHMember
     
Buildings, Fixtures and Improvements 1,797us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthfieldOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthfieldOHMember
     
Gross Amount Carried at December 31, 2014 2,114us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthfieldOHMember
     
Accumulated Depreciation 511us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthfieldOHMember
     
Citizens Bank [Member] | Parma, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 608us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ParmaOHMember
     
Land 248us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ParmaOHMember
     
Buildings, Fixtures and Improvements 744us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ParmaOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ParmaOHMember
     
Gross Amount Carried at December 31, 2014 992us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ParmaOHMember
     
Accumulated Depreciation 108us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ParmaOHMember
     
Citizens Bank [Member] | Parma, OH 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ParmaOH2Member
     
Land 475us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ParmaOH2Member
     
Buildings, Fixtures and Improvements 581us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ParmaOH2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ParmaOH2Member
     
Gross Amount Carried at December 31, 2014 1,056us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ParmaOH2Member
     
Accumulated Depreciation 64us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ParmaOH2Member
     
Citizens Bank [Member] | Parma Heights, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ParmaHeightsOHMember
     
Land 426us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ParmaHeightsOHMember
     
Buildings, Fixtures and Improvements 638us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ParmaHeightsOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ParmaHeightsOHMember
     
Gross Amount Carried at December 31, 2014 1,064us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ParmaHeightsOHMember
     
Accumulated Depreciation 70us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ParmaHeightsOHMember
     
Citizens Bank [Member] | Rocky River, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockyRiverOHMember
     
Land 283us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockyRiverOHMember
     
Buildings, Fixtures and Improvements 1,602us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockyRiverOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockyRiverOHMember
     
Gross Amount Carried at December 31, 2014 1,885us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockyRiverOHMember
     
Accumulated Depreciation 424us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockyRiverOHMember
     
Citizens Bank [Member] | South Russell, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthRussellOHMember
     
Land 106us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthRussellOHMember
     
Buildings, Fixtures and Improvements 957us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthRussellOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthRussellOHMember
     
Gross Amount Carried at December 31, 2014 1,063us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthRussellOHMember
     
Accumulated Depreciation 105us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthRussellOHMember
     
Citizens Bank [Member] | Wadsworth, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WadsworthOHMember
     
Land 158us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WadsworthOHMember
     
Buildings, Fixtures and Improvements 893us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WadsworthOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WadsworthOHMember
     
Gross Amount Carried at December 31, 2014 1,051us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WadsworthOHMember
     
Accumulated Depreciation 259us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WadsworthOHMember
     
Citizens Bank [Member] | Willoughby, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilloughbyOHMember
     
Land 395us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilloughbyOHMember
     
Buildings, Fixtures and Improvements 2,239us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilloughbyOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilloughbyOHMember
     
Gross Amount Carried at December 31, 2014 2,634us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilloughbyOHMember
     
Accumulated Depreciation 637us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilloughbyOHMember
     
Citizens Bank [Member] | Aliquippa, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AliquippaPAMember
     
Land 138us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AliquippaPAMember
     
Buildings, Fixtures and Improvements 782us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AliquippaPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AliquippaPAMember
     
Gross Amount Carried at December 31, 2014 920us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AliquippaPAMember
     
Accumulated Depreciation 86us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AliquippaPAMember
     
Citizens Bank [Member] | Allison Park, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AllisonParkPAMember
     
Land 314us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AllisonParkPAMember
     
Buildings, Fixtures and Improvements 733us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AllisonParkPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AllisonParkPAMember
     
Gross Amount Carried at December 31, 2014 1,047us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AllisonParkPAMember
     
Accumulated Depreciation 90us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AllisonParkPAMember
     
Citizens Bank [Member] | Altoona, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AltoonaPAMember
     
Land 153us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AltoonaPAMember
     
Buildings, Fixtures and Improvements 459us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AltoonaPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AltoonaPAMember
     
Gross Amount Carried at December 31, 2014 612us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AltoonaPAMember
     
Accumulated Depreciation 50us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AltoonaPAMember
     
Citizens Bank [Member] | Ambridge, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 762us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AmbridgePAMember
     
Land 215us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AmbridgePAMember
     
Buildings, Fixtures and Improvements 1,217us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AmbridgePAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AmbridgePAMember
     
Gross Amount Carried at December 31, 2014 1,432us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AmbridgePAMember
     
Accumulated Depreciation 322us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AmbridgePAMember
     
Citizens Bank [Member] | Ashley, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AshleyPAMember
     
Land 225us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AshleyPAMember
     
Buildings, Fixtures and Improvements 675us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AshleyPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AshleyPAMember
     
Gross Amount Carried at December 31, 2014 900us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AshleyPAMember
     
Accumulated Depreciation 74us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_AshleyPAMember
     
Citizens Bank [Member] | Beaver Falls, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BeaverFallsPAMember
     
Land 138us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BeaverFallsPAMember
     
Buildings, Fixtures and Improvements 553us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BeaverFallsPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BeaverFallsPAMember
     
Gross Amount Carried at December 31, 2014 691us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BeaverFallsPAMember
     
Accumulated Depreciation 68us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_BeaverFallsPAMember
     
Citizens Bank [Member] | Butler, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ButlerPAMember
     
Land 286us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ButlerPAMember
     
Buildings, Fixtures and Improvements 1,144us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ButlerPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ButlerPAMember
     
Gross Amount Carried at December 31, 2014 1,430us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ButlerPAMember
     
Accumulated Depreciation 125us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ButlerPAMember
     
Citizens Bank [Member] | Camp Hill, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CampHillPAMember
     
Land 430us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CampHillPAMember
     
Buildings, Fixtures and Improvements 645us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CampHillPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CampHillPAMember
     
Gross Amount Carried at December 31, 2014 1,075us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CampHillPAMember
     
Accumulated Depreciation 71us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CampHillPAMember
     
Citizens Bank [Member] | Carlisle, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 468us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CarlislePAMember
     
Land 234us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CarlislePAMember
     
Buildings, Fixtures and Improvements 546us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CarlislePAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CarlislePAMember
     
Gross Amount Carried at December 31, 2014 780us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CarlislePAMember
     
Accumulated Depreciation 79us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CarlislePAMember
     
Citizens Bank [Member] | Carnegie, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CarnegiePAMember
     
Land 73us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CarnegiePAMember
     
Buildings, Fixtures and Improvements 1,396us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CarnegiePAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CarnegiePAMember
     
Gross Amount Carried at December 31, 2014 1,469us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CarnegiePAMember
     
Accumulated Depreciation 153us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CarnegiePAMember
     
Citizens Bank [Member] | Dallas, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DallasPAMember
     
Land 213us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DallasPAMember
     
Buildings, Fixtures and Improvements 1,205us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DallasPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DallasPAMember
     
Gross Amount Carried at December 31, 2014 1,418us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DallasPAMember
     
Accumulated Depreciation 148us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DallasPAMember
     
Citizens Bank [Member] | Dillsburg, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DillsburgPAMember
     
Land 232us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DillsburgPAMember
     
Buildings, Fixtures and Improvements 926us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DillsburgPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DillsburgPAMember
     
Gross Amount Carried at December 31, 2014 1,158us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DillsburgPAMember
     
Accumulated Depreciation 101us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DillsburgPAMember
     
Citizens Bank [Member] | Drexel Hill, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DrexelHillPAMember
     
Land 266us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DrexelHillPAMember
     
Buildings, Fixtures and Improvements 1,064us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DrexelHillPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DrexelHillPAMember
     
Gross Amount Carried at December 31, 2014 1,330us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DrexelHillPAMember
     
Accumulated Depreciation 116us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_DrexelHillPAMember
     
Citizens Bank [Member] | Erie, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_EriePAMember
     
Land 168us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_EriePAMember
     
Buildings, Fixtures and Improvements 671us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_EriePAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_EriePAMember
     
Gross Amount Carried at December 31, 2014 839us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_EriePAMember
     
Accumulated Depreciation 73us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_EriePAMember
     
Citizens Bank [Member] | Ford 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_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_FordCityPAMember
     
Land 89us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_FordCityPAMember
     
Buildings, Fixtures and Improvements 802us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_FordCityPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_FordCityPAMember
     
Gross Amount Carried at December 31, 2014 891us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_FordCityPAMember
     
Accumulated Depreciation 88us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_FordCityPAMember
     
Citizens Bank [Member] | Glenside, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,257us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlensidePAMember
     
Land 343us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlensidePAMember
     
Buildings, Fixtures and Improvements 1,370us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlensidePAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlensidePAMember
     
Gross Amount Carried at December 31, 2014 1,713us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlensidePAMember
     
Accumulated Depreciation 119us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlensidePAMember
     
Citizens Bank [Member] | Greensburg, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreensburgPAMember
     
Land 45us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreensburgPAMember
     
Buildings, Fixtures and Improvements 861us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreensburgPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreensburgPAMember
     
Gross Amount Carried at December 31, 2014 906us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreensburgPAMember
     
Accumulated Depreciation 94us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreensburgPAMember
     
Citizens Bank [Member] | Grove City, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 323us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GroveCityPAMember
     
Land 292us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GroveCityPAMember
     
Buildings, Fixtures and Improvements 239us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GroveCityPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GroveCityPAMember
     
Gross Amount Carried at December 31, 2014 531us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GroveCityPAMember
     
Accumulated Depreciation 35us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GroveCityPAMember
     
Citizens Bank [Member] | Grove City, PA 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 506us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GroveCityPA2Member
     
Land 41us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GroveCityPA2Member
     
Buildings, Fixtures and Improvements 782us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GroveCityPA2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GroveCityPA2Member
     
Gross Amount Carried at December 31, 2014 823us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GroveCityPA2Member
     
Accumulated Depreciation 114us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GroveCityPA2Member
     
Citizens Bank [Member] | Harrisburg, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 560us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HarrisburgPAMember
     
Land 512us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HarrisburgPAMember
     
Buildings, Fixtures and Improvements 419us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HarrisburgPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HarrisburgPAMember
     
Gross Amount Carried at December 31, 2014 931us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HarrisburgPAMember
     
Accumulated Depreciation 61us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HarrisburgPAMember
     
Citizens Bank [Member] | Havertown, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HavertownPAMember
     
Land 219us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HavertownPAMember
     
Buildings, Fixtures and Improvements 875us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HavertownPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HavertownPAMember
     
Gross Amount Carried at December 31, 2014 1,094us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HavertownPAMember
     
Accumulated Depreciation 107us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HavertownPAMember
     
Citizens Bank [Member] | Highspire, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HighspirePAMember
     
Land 216us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HighspirePAMember
     
Buildings, Fixtures and Improvements 649us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HighspirePAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HighspirePAMember
     
Gross Amount Carried at December 31, 2014 865us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HighspirePAMember
     
Accumulated Depreciation 71us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HighspirePAMember
     
Citizens Bank [Member] | Homestead, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HomesteadPAMember
     
Land 202us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HomesteadPAMember
     
Buildings, Fixtures and Improvements 807us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HomesteadPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HomesteadPAMember
     
Gross Amount Carried at December 31, 2014 1,009us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HomesteadPAMember
     
Accumulated Depreciation 99us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_HomesteadPAMember
     
Citizens Bank [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_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingstonPAMember
     
Land 404us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingstonPAMember
     
Buildings, Fixtures and Improvements 943us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingstonPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingstonPAMember
     
Gross Amount Carried at December 31, 2014 1,347us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingstonPAMember
     
Accumulated Depreciation 103us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingstonPAMember
     
Citizens Bank [Member] | Kittanning, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KittanningPAMember
     
Land 56us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KittanningPAMember
     
Buildings, Fixtures and Improvements 1,060us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KittanningPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KittanningPAMember
     
Gross Amount Carried at December 31, 2014 1,116us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KittanningPAMember
     
Accumulated Depreciation 116us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KittanningPAMember
     
Citizens Bank [Member] | Kutztown, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 490us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KutztownPAMember
     
Land 81us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KutztownPAMember
     
Buildings, Fixtures and Improvements 725us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KutztownPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KutztownPAMember
     
Gross Amount Carried at December 31, 2014 806us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KutztownPAMember
     
Accumulated Depreciation 102us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_KutztownPAMember
     
Citizens Bank [Member] | Lancaster, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 555us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterPAMember
     
Land 368us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterPAMember
     
Buildings, Fixtures and Improvements 552us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterPAMember
     
Gross Amount Carried at December 31, 2014 920us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterPAMember
     
Accumulated Depreciation 80us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterPAMember
     
Citizens Bank [Member] | Lancaster, PA 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterPA2Member
     
Land 383us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterPA2Member
     
Buildings, Fixtures and Improvements 468us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterPA2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterPA2Member
     
Gross Amount Carried at December 31, 2014 851us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterPA2Member
     
Accumulated Depreciation 57us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterPA2Member
     
Citizens Bank [Member] | Latrobe, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LatrobePAMember
     
Land 148us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LatrobePAMember
     
Buildings, Fixtures and Improvements 591us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LatrobePAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LatrobePAMember
     
Gross Amount Carried at December 31, 2014 739us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LatrobePAMember
     
Accumulated Depreciation 65us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LatrobePAMember
     
Citizens Bank [Member] | Lititz, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 458us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LititzPAMember
     
Land 37us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LititzPAMember
     
Buildings, Fixtures and Improvements 708us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LititzPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LititzPAMember
     
Gross Amount Carried at December 31, 2014 745us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LititzPAMember
     
Accumulated Depreciation 103us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LititzPAMember
     
Citizens Bank [Member] | Lower Burrell, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LowerBurrellPAMember
     
Land 180us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LowerBurrellPAMember
     
Buildings, Fixtures and Improvements 722us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LowerBurrellPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LowerBurrellPAMember
     
Gross Amount Carried at December 31, 2014 902us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LowerBurrellPAMember
     
Accumulated Depreciation 79us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LowerBurrellPAMember
     
Citizens Bank [Member] | Matamoras, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MatamorasPAMember
     
Land 509us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MatamorasPAMember
     
Buildings, Fixtures and Improvements 946us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MatamorasPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MatamorasPAMember
     
Gross Amount Carried at December 31, 2014 1,455us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MatamorasPAMember
     
Accumulated Depreciation 103us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MatamorasPAMember
     
Citizens Bank [Member] | Mechanicsburg, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,620us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MechanicsburgPAMember
     
Land 288us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MechanicsburgPAMember
     
Buildings, Fixtures and Improvements 2,590us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MechanicsburgPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MechanicsburgPAMember
     
Gross Amount Carried at December 31, 2014 2,878us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MechanicsburgPAMember
     
Accumulated Depreciation 318us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MechanicsburgPAMember
     
Citizens Bank [Member] | Mercer, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MercerPAMember
     
Land 105us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MercerPAMember
     
Buildings, Fixtures and Improvements 314us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MercerPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MercerPAMember
     
Gross Amount Carried at December 31, 2014 419us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MercerPAMember
     
Accumulated Depreciation 34us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MercerPAMember
     
Citizens Bank [Member] | Milford, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MilfordPAMember
     
Land 513us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MilfordPAMember
     
Buildings, Fixtures and Improvements 769us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MilfordPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MilfordPAMember
     
Gross Amount Carried at December 31, 2014 1,282us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MilfordPAMember
     
Accumulated Depreciation 84us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MilfordPAMember
     
Citizens Bank [Member] | Monesson, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 703us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonessonPAMember
     
Land 198us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonessonPAMember
     
Buildings, Fixtures and Improvements 1,123us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonessonPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonessonPAMember
     
Gross Amount Carried at December 31, 2014 1,321us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonessonPAMember
     
Accumulated Depreciation 298us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonessonPAMember
     
Citizens Bank [Member] | Mount Lebanon, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,577us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MountLebanonPAMember
     
Land 215us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MountLebanonPAMember
     
Buildings, Fixtures and Improvements 1,939us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MountLebanonPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MountLebanonPAMember
     
Gross Amount Carried at December 31, 2014 2,154us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MountLebanonPAMember
     
Accumulated Depreciation 238us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MountLebanonPAMember
     
Citizens Bank [Member] | Mountain Top, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MountainTopPAMember
     
Land 111us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MountainTopPAMember
     
Buildings, Fixtures and Improvements 631us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MountainTopPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MountainTopPAMember
     
Gross Amount Carried at December 31, 2014 742us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MountainTopPAMember
     
Accumulated Depreciation 69us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MountainTopPAMember
     
Citizens Bank [Member] | Munhall, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 232us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MunhallPAMember
     
Land 191us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MunhallPAMember
     
Buildings, Fixtures and Improvements 191us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MunhallPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MunhallPAMember
     
Gross Amount Carried at December 31, 2014 382us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MunhallPAMember
     
Accumulated Depreciation 28us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MunhallPAMember
     
Citizens Bank [Member] | Narberth, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,491us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_NarberthPAMember
     
Land 420us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_NarberthPAMember
     
Buildings, Fixtures and Improvements 2,381us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_NarberthPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_NarberthPAMember
     
Gross Amount Carried at December 31, 2014 2,801us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_NarberthPAMember
     
Accumulated Depreciation 631us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_NarberthPAMember
     
Citizens Bank [Member] | New Stanton, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 581us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewStantonPAMember
     
Land 330us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewStantonPAMember
     
Buildings, Fixtures and Improvements 612us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewStantonPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewStantonPAMember
     
Gross Amount Carried at December 31, 2014 942us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewStantonPAMember
     
Accumulated Depreciation 89us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_NewStantonPAMember
     
Citizens Bank [Member] | Oakmont, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_OakmontPAMember
     
Land 199us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_OakmontPAMember
     
Buildings, Fixtures and Improvements 1,127us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_OakmontPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_OakmontPAMember
     
Gross Amount Carried at December 31, 2014 1,326us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_OakmontPAMember
     
Accumulated Depreciation 123us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_OakmontPAMember
     
Citizens Bank [Member] | Oil 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_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_OilCityPAMember
     
Land 110us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_OilCityPAMember
     
Buildings, Fixtures and Improvements 623us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_OilCityPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_OilCityPAMember
     
Gross Amount Carried at December 31, 2014 733us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_OilCityPAMember
     
Accumulated Depreciation 68us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_OilCityPAMember
     
Citizens Bank [Member] | Philadelphia, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 565us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhiladelphiaPAMember
     
Land 184us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhiladelphiaPAMember
     
Buildings, Fixtures and Improvements 735us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhiladelphiaPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhiladelphiaPAMember
     
Gross Amount Carried at December 31, 2014 919us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhiladelphiaPAMember
     
Accumulated Depreciation 107us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhiladelphiaPAMember
     
Citizens Bank [Member] | Philadelphia, PA 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhiladelphiaPA2Member
     
Land 127us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhiladelphiaPA2Member
     
Buildings, Fixtures and Improvements 722us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhiladelphiaPA2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhiladelphiaPA2Member
     
Gross Amount Carried at December 31, 2014 849us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhiladelphiaPA2Member
     
Accumulated Depreciation 79us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhiladelphiaPA2Member
     
Citizens Bank [Member] | Philadelphia, PA 3 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhiladelphiaPA3Member
     
Land 266us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhiladelphiaPA3Member
     
Buildings, Fixtures and Improvements 1,065us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhiladelphiaPA3Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhiladelphiaPA3Member
     
Gross Amount Carried at December 31, 2014 1,331us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhiladelphiaPA3Member
     
Accumulated Depreciation 117us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhiladelphiaPA3Member
     
Citizens Bank [Member] | Pitcairn, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PitcairnPAMember
     
Land 46us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PitcairnPAMember
     
Buildings, Fixtures and Improvements 867us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PitcairnPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PitcairnPAMember
     
Gross Amount Carried at December 31, 2014 913us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PitcairnPAMember
     
Accumulated Depreciation 95us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PitcairnPAMember
     
Citizens Bank [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_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPAMember
     
Land 215us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPAMember
     
Buildings, Fixtures and Improvements 1,219us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPAMember
     
Gross Amount Carried at December 31, 2014 1,434us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPAMember
     
Accumulated Depreciation 150us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPAMember
     
Citizens Bank [Member] | Pittsburgh, PA 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA2Member
     
Land 256us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA2Member
     
Buildings, Fixtures and Improvements 767us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA2Member
     
Gross Amount Carried at December 31, 2014 1,023us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA2Member
     
Accumulated Depreciation 94us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA2Member
     
Citizens Bank [Member] | Pittsburgh, PA 3 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA3Member
     
Land 185us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA3Member
     
Buildings, Fixtures and Improvements 1,051us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA3Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA3Member
     
Gross Amount Carried at December 31, 2014 1,236us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA3Member
     
Accumulated Depreciation 115us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA3Member
     
Citizens Bank [Member] | Pittsburgh, PA 4 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA4Member
     
Land 389us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA4Member
     
Buildings, Fixtures and Improvements 1,168us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA4Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA4Member
     
Gross Amount Carried at December 31, 2014 1,557us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA4Member
     
Accumulated Depreciation 128us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA4Member
     
Citizens Bank [Member] | Pittsburgh, PA 5 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA5Member
     
Land 146us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA5Member
     
Buildings, Fixtures and Improvements 2,770us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA5Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA5Member
     
Gross Amount Carried at December 31, 2014 2,916us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA5Member
     
Accumulated Depreciation 303us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA5Member
     
Citizens Bank [Member] | Pittsburgh, PA 6 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,262us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA6Member
     
Land 470us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA6Member
     
Buildings, Fixtures and Improvements 2,661us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA6Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA6Member
     
Gross Amount Carried at December 31, 2014 3,131us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA6Member
     
Accumulated Depreciation 291us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA6Member
     
Citizens Bank [Member] | Pittsburgh, PA 7 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,244us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA7Member
     
Land 516us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA7Member
     
Buildings, Fixtures and Improvements 1,204us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA7Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA7Member
     
Gross Amount Carried at December 31, 2014 1,720us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA7Member
     
Accumulated Depreciation 132us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA7Member
     
Citizens Bank [Member] | Pittsburgh, PA 8 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA8Member
     
Land 206us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA8Member
     
Buildings, Fixtures and Improvements 1,852us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA8Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA8Member
     
Gross Amount Carried at December 31, 2014 2,058us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA8Member
     
Accumulated Depreciation 203us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA8Member
     
Citizens Bank [Member] | Pittsburgh, PA 9 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 918us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA9Member
     
Land 196us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA9Member
     
Buildings, Fixtures and Improvements 1,110us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA9Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA9Member
     
Gross Amount Carried at December 31, 2014 1,306us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA9Member
     
Accumulated Depreciation 121us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA9Member
     
Citizens Bank [Member] | Pittsburgh, PA 10 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA10Member
     
Land 255us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA10Member
     
Buildings, Fixtures and Improvements 1,019us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA10Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA10Member
     
Gross Amount Carried at December 31, 2014 1,274us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA10Member
     
Accumulated Depreciation 111us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA10Member
     
Citizens Bank [Member] | Pittsburgh, PA 11 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA11Member
     
Land 268us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA11Member
     
Buildings, Fixtures and Improvements 2,413us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA11Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA11Member
     
Gross Amount Carried at December 31, 2014 2,681us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA11Member
     
Accumulated Depreciation 264us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PittsburghPA11Member
     
Citizens Bank [Member] | Reading, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ReadingPAMember
     
Land 269us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ReadingPAMember
     
Buildings, Fixtures and Improvements 1,524us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ReadingPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ReadingPAMember
     
Gross Amount Carried at December 31, 2014 1,793us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ReadingPAMember
     
Accumulated Depreciation 139us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ReadingPAMember
     
Citizens Bank [Member] | Reading, PA 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ReadingPA2Member
     
Land 267us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ReadingPA2Member
     
Buildings, Fixtures and Improvements 802us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ReadingPA2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ReadingPA2Member
     
Gross Amount Carried at December 31, 2014 1,069us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ReadingPA2Member
     
Accumulated Depreciation 88us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ReadingPA2Member
     
Citizens Bank [Member] | Shippensburg, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 345us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ShippensburgPAMember
     
Land 143us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ShippensburgPAMember
     
Buildings, Fixtures and Improvements 429us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ShippensburgPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ShippensburgPAMember
     
Gross Amount Carried at December 31, 2014 572us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ShippensburgPAMember
     
Accumulated Depreciation 62us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ShippensburgPAMember
     
Citizens Bank [Member] | Slovan, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 205us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SlovanPAMember
     
Land 217us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SlovanPAMember
     
Buildings, Fixtures and Improvements 117us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SlovanPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SlovanPAMember
     
Gross Amount Carried at December 31, 2014 334us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SlovanPAMember
     
Accumulated Depreciation 17us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_SlovanPAMember
     
Citizens Bank [Member] | State College, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 452us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_StateCollegePAMember
     
Land 256us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_StateCollegePAMember
     
Buildings, Fixtures and Improvements 475us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_StateCollegePAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_StateCollegePAMember
     
Gross Amount Carried at December 31, 2014 731us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_StateCollegePAMember
     
Accumulated Depreciation 69us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_StateCollegePAMember
     
Citizens Bank [Member] | Temple, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TemplePAMember
     
Land 268us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TemplePAMember
     
Buildings, Fixtures and Improvements 626us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TemplePAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TemplePAMember
     
Gross Amount Carried at December 31, 2014 894us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TemplePAMember
     
Accumulated Depreciation 77us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TemplePAMember
     
Citizens Bank [Member] | Turtle Creek, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TurtleCreekPAMember
     
Land 308us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TurtleCreekPAMember
     
Buildings, Fixtures and Improvements 923us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TurtleCreekPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TurtleCreekPAMember
     
Gross Amount Carried at December 31, 2014 1,231us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TurtleCreekPAMember
     
Accumulated Depreciation 113us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TurtleCreekPAMember
     
Citizens Bank [Member] | Tyrone, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TyronePAMember
     
Land 146us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TyronePAMember
     
Buildings, Fixtures and Improvements 583us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TyronePAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TyronePAMember
     
Gross Amount Carried at December 31, 2014 729us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TyronePAMember
     
Accumulated Depreciation 64us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_TyronePAMember
     
Citizens Bank [Member] | Upper Darby, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_UpperDarbyPAMember
     
Land 411us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_UpperDarbyPAMember
     
Buildings, Fixtures and Improvements 617us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_UpperDarbyPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_UpperDarbyPAMember
     
Gross Amount Carried at December 31, 2014 1,028us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_UpperDarbyPAMember
     
Accumulated Depreciation 67us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_UpperDarbyPAMember
     
Citizens Bank [Member] | Verona, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 549us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_VeronaPAMember
     
Land 264us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_VeronaPAMember
     
Buildings, Fixtures and Improvements 616us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_VeronaPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_VeronaPAMember
     
Gross Amount Carried at December 31, 2014 880us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_VeronaPAMember
     
Accumulated Depreciation 89us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_VeronaPAMember
     
Citizens Bank [Member] | Warrendale, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrendalePAMember
     
Land 611us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrendalePAMember
     
Buildings, Fixtures and Improvements 916us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrendalePAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrendalePAMember
     
Gross Amount Carried at December 31, 2014 1,527us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrendalePAMember
     
Accumulated Depreciation 100us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrendalePAMember
     
Citizens Bank [Member] | West Grove, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 544us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestGrovePAMember
     
Land 181us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestGrovePAMember
     
Buildings, Fixtures and Improvements 725us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestGrovePAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestGrovePAMember
     
Gross Amount Carried at December 31, 2014 906us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestGrovePAMember
     
Accumulated Depreciation 105us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestGrovePAMember
     
Citizens Bank [Member] | West Hazleton, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestHazletonPAMember
     
Land 279us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestHazletonPAMember
     
Buildings, Fixtures and Improvements 2,509us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestHazletonPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestHazletonPAMember
     
Gross Amount Carried at December 31, 2014 2,788us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestHazletonPAMember
     
Accumulated Depreciation 308us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestHazletonPAMember
     
Citizens Bank [Member] | Wexford, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WexfordPAMember
     
Land 180us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WexfordPAMember
     
Buildings, Fixtures and Improvements 719us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WexfordPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WexfordPAMember
     
Gross Amount Carried at December 31, 2014 899us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WexfordPAMember
     
Accumulated Depreciation 79us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WexfordPAMember
     
Citizens Bank [Member] | York, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 581us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_YorkPAMember
     
Land 337us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_YorkPAMember
     
Buildings, Fixtures and Improvements 626us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_YorkPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_YorkPAMember
     
Gross Amount Carried at December 31, 2014 963us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_YorkPAMember
     
Accumulated Depreciation 91us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_YorkPAMember
     
Citizens Bank [Member] | Coventry, RI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CoventryRIMember
     
Land 559us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CoventryRIMember
     
Buildings, Fixtures and Improvements 559us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CoventryRIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CoventryRIMember
     
Gross Amount Carried at December 31, 2014 1,118us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CoventryRIMember
     
Accumulated Depreciation 69us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CoventryRIMember
     
Citizens Bank [Member] | Cranston, RI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CranstonRIMember
     
Land 411us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CranstonRIMember
     
Buildings, Fixtures and Improvements 1,234us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CranstonRIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CranstonRIMember
     
Gross Amount Carried at December 31, 2014 1,645us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CranstonRIMember
     
Accumulated Depreciation 135us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_CranstonRIMember
     
Citizens Bank [Member] | East Greenwich, RI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_EastGreenwichRIMember
     
Land 227us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_EastGreenwichRIMember
     
Buildings, Fixtures and Improvements 680us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_EastGreenwichRIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_EastGreenwichRIMember
     
Gross Amount Carried at December 31, 2014 907us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_EastGreenwichRIMember
     
Accumulated Depreciation 74us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_EastGreenwichRIMember
     
Citizens Bank [Member] | Johnston, RI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_JohnstonRIMember
     
Land 343us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_JohnstonRIMember
     
Buildings, Fixtures and Improvements 1,030us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_JohnstonRIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_JohnstonRIMember
     
Gross Amount Carried at December 31, 2014 1,373us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_JohnstonRIMember
     
Accumulated Depreciation 127us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_JohnstonRIMember
     
Citizens Bank [Member] | N. Providence, RI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,445us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_N.ProvidenceRIMember
     
Land 200us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_N.ProvidenceRIMember
     
Buildings, Fixtures and Improvements 1,800us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_N.ProvidenceRIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_N.ProvidenceRIMember
     
Gross Amount Carried at December 31, 2014 2,000us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_N.ProvidenceRIMember
     
Accumulated Depreciation 197us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_N.ProvidenceRIMember
     
Citizens Bank [Member] | N. Providence, RI 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_N.ProvidenceRI2Member
     
Land 223us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_N.ProvidenceRI2Member
     
Buildings, Fixtures and Improvements 892us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_N.ProvidenceRI2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_N.ProvidenceRI2Member
     
Gross Amount Carried at December 31, 2014 1,115us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_N.ProvidenceRI2Member
     
Accumulated Depreciation 98us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_N.ProvidenceRI2Member
     
Citizens Bank [Member] | Providence, RI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ProvidenceRIMember
     
Land 300us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ProvidenceRIMember
     
Buildings, Fixtures and Improvements 899us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ProvidenceRIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ProvidenceRIMember
     
Gross Amount Carried at December 31, 2014 1,199us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ProvidenceRIMember
     
Accumulated Depreciation 98us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_ProvidenceRIMember
     
Citizens Bank [Member] | Rumford, RI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RumfordRIMember
     
Land 352us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RumfordRIMember
     
Buildings, Fixtures and Improvements 654us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RumfordRIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RumfordRIMember
     
Gross Amount Carried at December 31, 2014 1,006us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RumfordRIMember
     
Accumulated Depreciation 72us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_RumfordRIMember
     
Citizens Bank [Member] | Wakefield, RI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WakefieldRIMember
     
Land 517us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WakefieldRIMember
     
Buildings, Fixtures and Improvements 959us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WakefieldRIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WakefieldRIMember
     
Gross Amount Carried at December 31, 2014 1,476us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WakefieldRIMember
     
Accumulated Depreciation 118us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WakefieldRIMember
     
Citizens Bank [Member] | Warren, RI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenRIMember
     
Land 328us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenRIMember
     
Buildings, Fixtures and Improvements 609us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenRIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenRIMember
     
Gross Amount Carried at December 31, 2014 937us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenRIMember
     
Accumulated Depreciation 75us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenRIMember
     
Citizens Bank [Member] | Warwick, RI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarwickRIMember
     
Land 1,570us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarwickRIMember
     
Buildings, Fixtures and Improvements 5,030us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarwickRIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarwickRIMember
     
Gross Amount Carried at December 31, 2014 6,600us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarwickRIMember
     
Accumulated Depreciation 346us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarwickRIMember
     
Citizens Bank [Member] | Warwick, RI 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarwickRI2Member
     
Land 1,870us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarwickRI2Member
     
Buildings, Fixtures and Improvements 8,828us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarwickRI2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarwickRI2Member
     
Gross Amount Carried at December 31, 2014 10,698us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarwickRI2Member
     
Accumulated Depreciation 602us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarwickRI2Member
     
Citizens Bank [Member] | Middlebury, VT [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MiddleburyVTMember
     
Land 363us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MiddleburyVTMember
     
Buildings, Fixtures and Improvements 544us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MiddleburyVTMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MiddleburyVTMember
     
Gross Amount Carried at December 31, 2014 907us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MiddleburyVTMember
     
Accumulated Depreciation 60us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_MiddleburyVTMember
     
Citizens Bank [Member] | Poultney, VT [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PoultneyVTMember
     
Land 149us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PoultneyVTMember
     
Buildings, Fixtures and Improvements 847us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PoultneyVTMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PoultneyVTMember
     
Gross Amount Carried at December 31, 2014 996us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PoultneyVTMember
     
Accumulated Depreciation 233us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PoultneyVTMember
     
Citizens Bank [Member] | St. Albans, VT [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.AlbansVTMember
     
Land 141us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.AlbansVTMember
     
Buildings, Fixtures and Improvements 798us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.AlbansVTMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.AlbansVTMember
     
Gross Amount Carried at December 31, 2014 939us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.AlbansVTMember
     
Accumulated Depreciation 220us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.AlbansVTMember
     
Citizens Bank [Member] | White River Junction, VT [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WhiteRiverJunctionVTMember
     
Land 183us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WhiteRiverJunctionVTMember
     
Buildings, Fixtures and Improvements 1,039us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WhiteRiverJunctionVTMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WhiteRiverJunctionVTMember
     
Gross Amount Carried at December 31, 2014 1,222us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WhiteRiverJunctionVTMember
     
Accumulated Depreciation 286us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CitizensBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WhiteRiverJunctionVTMember
     
City Buffet [Member] | Alexander City, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CityBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlexanderCityALMember
     
Land 292us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CityBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlexanderCityALMember
     
Buildings, Fixtures and Improvements 331us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CityBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlexanderCityALMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CityBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlexanderCityALMember
     
Gross Amount Carried at December 31, 2014 623us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CityBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlexanderCityALMember
     
Accumulated Depreciation 27us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CityBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlexanderCityALMember
     
Coborn's Liquor Store [Member] | Stanley, ND [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CobornsLiquorStoreMember
/ us-gaap_StatementGeographicalAxis
= arcp_StanleyNDMember
     
Land 1,163us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CobornsLiquorStoreMember
/ us-gaap_StatementGeographicalAxis
= arcp_StanleyNDMember
     
Buildings, Fixtures and Improvements 5,037us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CobornsLiquorStoreMember
/ us-gaap_StatementGeographicalAxis
= arcp_StanleyNDMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CobornsLiquorStoreMember
/ us-gaap_StatementGeographicalAxis
= arcp_StanleyNDMember
     
Gross Amount Carried at December 31, 2014 6,200us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CobornsLiquorStoreMember
/ us-gaap_StatementGeographicalAxis
= arcp_StanleyNDMember
     
Accumulated Depreciation 226us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CobornsLiquorStoreMember
/ us-gaap_StatementGeographicalAxis
= arcp_StanleyNDMember
     
Coborn's Liquor Store [Member] | Tioga, ND [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CobornsLiquorStoreMember
/ us-gaap_StatementGeographicalAxis
= arcp_TiogaNDMember
     
Land 1,065us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CobornsLiquorStoreMember
/ us-gaap_StatementGeographicalAxis
= arcp_TiogaNDMember
     
Buildings, Fixtures and Improvements 4,581us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CobornsLiquorStoreMember
/ us-gaap_StatementGeographicalAxis
= arcp_TiogaNDMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CobornsLiquorStoreMember
/ us-gaap_StatementGeographicalAxis
= arcp_TiogaNDMember
     
Gross Amount Carried at December 31, 2014 5,646us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CobornsLiquorStoreMember
/ us-gaap_StatementGeographicalAxis
= arcp_TiogaNDMember
     
Accumulated Depreciation 110us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CobornsLiquorStoreMember
/ us-gaap_StatementGeographicalAxis
= arcp_TiogaNDMember
     
Comcast [Member] | Englewood, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ComcastMember
/ us-gaap_StatementGeographicalAxis
= arcp_EnglewoodCOMember
     
Land 1,490us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ComcastMember
/ us-gaap_StatementGeographicalAxis
= arcp_EnglewoodCOMember
     
Buildings, Fixtures and Improvements 5,060us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ComcastMember
/ us-gaap_StatementGeographicalAxis
= arcp_EnglewoodCOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ComcastMember
/ us-gaap_StatementGeographicalAxis
= arcp_EnglewoodCOMember
     
Gross Amount Carried at December 31, 2014 6,550us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ComcastMember
/ us-gaap_StatementGeographicalAxis
= arcp_EnglewoodCOMember
     
Accumulated Depreciation 303us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ComcastMember
/ us-gaap_StatementGeographicalAxis
= arcp_EnglewoodCOMember
     
Commonwealth Foundation [Member] | Silver Spring, MD [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CommonwealthFoundationMember
/ us-gaap_StatementGeographicalAxis
= arcp_SilverSpringMDMember
     
Land 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CommonwealthFoundationMember
/ us-gaap_StatementGeographicalAxis
= arcp_SilverSpringMDMember
     
Buildings, Fixtures and Improvements 180us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CommonwealthFoundationMember
/ us-gaap_StatementGeographicalAxis
= arcp_SilverSpringMDMember
     
Costs Capitalized Subsequent to Acquisition 3,257us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CommonwealthFoundationMember
/ us-gaap_StatementGeographicalAxis
= arcp_SilverSpringMDMember
     
Gross Amount Carried at December 31, 2014 3,437us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CommonwealthFoundationMember
/ us-gaap_StatementGeographicalAxis
= arcp_SilverSpringMDMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CommonwealthFoundationMember
/ us-gaap_StatementGeographicalAxis
= arcp_SilverSpringMDMember
     
Community Bank [Member] | Lake Mary, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CommunityBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LakeMaryFLMember
     
Land 1,230us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CommunityBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LakeMaryFLMember
     
Buildings, Fixtures and Improvements 1,504us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CommunityBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LakeMaryFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CommunityBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LakeMaryFLMember
     
Gross Amount Carried at December 31, 2014 2,734us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CommunityBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LakeMaryFLMember
     
Accumulated Depreciation 97us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CommunityBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_LakeMaryFLMember
     
Community Bank [Member] | Whitehall, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 375us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CommunityBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WhitehallNYMember
     
Land 106us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CommunityBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WhitehallNYMember
     
Buildings, Fixtures and Improvements 600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CommunityBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WhitehallNYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CommunityBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WhitehallNYMember
     
Gross Amount Carried at December 31, 2014 706us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CommunityBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WhitehallNYMember
     
Accumulated Depreciation 159us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CommunityBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_WhitehallNYMember
     
CompUSA [Member] | Arlington, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,770us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CompUSAMember
/ us-gaap_StatementGeographicalAxis
= arcp_ArlingtonTXMember
     
Land 2,437us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CompUSAMember
/ us-gaap_StatementGeographicalAxis
= arcp_ArlingtonTXMember
     
Buildings, Fixtures and Improvements 1,467us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CompUSAMember
/ us-gaap_StatementGeographicalAxis
= arcp_ArlingtonTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CompUSAMember
/ us-gaap_StatementGeographicalAxis
= arcp_ArlingtonTXMember
     
Gross Amount Carried at December 31, 2014 3,904us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CompUSAMember
/ us-gaap_StatementGeographicalAxis
= arcp_ArlingtonTXMember
     
Accumulated Depreciation 88us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CompUSAMember
/ us-gaap_StatementGeographicalAxis
= arcp_ArlingtonTXMember
     
ConAgra Foods [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_ConAgraFoodsMember
/ us-gaap_StatementGeographicalAxis
= arcp_OmahaNEMember
     
Land 6,451us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConAgraFoodsMember
/ us-gaap_StatementGeographicalAxis
= arcp_OmahaNEMember
     
Buildings, Fixtures and Improvements 30,697us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConAgraFoodsMember
/ us-gaap_StatementGeographicalAxis
= arcp_OmahaNEMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConAgraFoodsMember
/ us-gaap_StatementGeographicalAxis
= arcp_OmahaNEMember
     
Gross Amount Carried at December 31, 2014 37,148us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConAgraFoodsMember
/ us-gaap_StatementGeographicalAxis
= arcp_OmahaNEMember
     
Accumulated Depreciation 749us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConAgraFoodsMember
/ us-gaap_StatementGeographicalAxis
= arcp_OmahaNEMember
     
ConAgra Foods [Member] | Milton, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 16,245us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConAgraFoodsMember
/ us-gaap_StatementGeographicalAxis
= arcp_MiltonPAMember
     
Land 5,656us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConAgraFoodsMember
/ us-gaap_StatementGeographicalAxis
= arcp_MiltonPAMember
     
Buildings, Fixtures and Improvements 27,242us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConAgraFoodsMember
/ us-gaap_StatementGeographicalAxis
= arcp_MiltonPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConAgraFoodsMember
/ us-gaap_StatementGeographicalAxis
= arcp_MiltonPAMember
     
Gross Amount Carried at December 31, 2014 32,898us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConAgraFoodsMember
/ us-gaap_StatementGeographicalAxis
= arcp_MiltonPAMember
     
Accumulated Depreciation 1,116us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConAgraFoodsMember
/ us-gaap_StatementGeographicalAxis
= arcp_MiltonPAMember
     
Conn's [Member] | Austin, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,814us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConnsMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTXMember
     
Land 740us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConnsMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTXMember
     
Buildings, Fixtures and Improvements 2,958us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConnsMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConnsMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTXMember
     
Gross Amount Carried at December 31, 2014 3,698us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConnsMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTXMember
     
Accumulated Depreciation 102us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConnsMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTXMember
     
Conn's [Member] | Austin, TX 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,894us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConnsMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTX2Member
     
Land 658us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConnsMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTX2Member
     
Buildings, Fixtures and Improvements 2,631us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConnsMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTX2Member
     
Costs Capitalized Subsequent to Acquisition 350us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConnsMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTX2Member
     
Gross Amount Carried at December 31, 2014 3,639us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConnsMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTX2Member
     
Accumulated Depreciation 93us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConnsMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTX2Member
     
Conn's [Member] | Hurst, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,531us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConnsMember
/ us-gaap_StatementGeographicalAxis
= arcp_HurstTXMember
     
Land 497us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConnsMember
/ us-gaap_StatementGeographicalAxis
= arcp_HurstTXMember
     
Buildings, Fixtures and Improvements 1,990us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConnsMember
/ us-gaap_StatementGeographicalAxis
= arcp_HurstTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConnsMember
/ us-gaap_StatementGeographicalAxis
= arcp_HurstTXMember
     
Gross Amount Carried at December 31, 2014 2,487us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConnsMember
/ us-gaap_StatementGeographicalAxis
= arcp_HurstTXMember
     
Accumulated Depreciation 71us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ConnsMember
/ us-gaap_StatementGeographicalAxis
= arcp_HurstTXMember
     
Cooper Tire & Rubber [Member] | Franklin, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 16,620us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CooperTireRubberMember
/ us-gaap_StatementGeographicalAxis
= arcp_FranklinINMember
     
Land 4,438us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CooperTireRubberMember
/ us-gaap_StatementGeographicalAxis
= arcp_FranklinINMember
     
Buildings, Fixtures and Improvements 33,994us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CooperTireRubberMember
/ us-gaap_StatementGeographicalAxis
= arcp_FranklinINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CooperTireRubberMember
/ us-gaap_StatementGeographicalAxis
= arcp_FranklinINMember
     
Gross Amount Carried at December 31, 2014 38,432us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CooperTireRubberMember
/ us-gaap_StatementGeographicalAxis
= arcp_FranklinINMember
     
Accumulated Depreciation 2,333us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CooperTireRubberMember
/ us-gaap_StatementGeographicalAxis
= arcp_FranklinINMember
     
Cost Plus [Member] | La Quinta, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CostPlusMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaQuintaCAMember
     
Land 1,211us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CostPlusMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaQuintaCAMember
     
Buildings, Fixtures and Improvements 4,786us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CostPlusMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaQuintaCAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CostPlusMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaQuintaCAMember
     
Gross Amount Carried at December 31, 2014 5,997us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CostPlusMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaQuintaCAMember
     
Accumulated Depreciation 225us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CostPlusMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaQuintaCAMember
     
County of Yolo, CA [Member] | Woodland, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 10,332us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CountyofYoloCAMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodlandCAMember
     
Land 2,640us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CountyofYoloCAMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodlandCAMember
     
Buildings, Fixtures and Improvements 13,681us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CountyofYoloCAMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodlandCAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CountyofYoloCAMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodlandCAMember
     
Gross Amount Carried at December 31, 2014 16,321us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CountyofYoloCAMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodlandCAMember
     
Accumulated Depreciation 731us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CountyofYoloCAMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodlandCAMember
     
Cowboy's Express [Member] | Monticello, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CowboysExpressMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonticelloARMember
     
Land 43us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CowboysExpressMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonticelloARMember
     
Buildings, Fixtures and Improvements 36us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CowboysExpressMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonticelloARMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CowboysExpressMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonticelloARMember
     
Gross Amount Carried at December 31, 2014 79us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CowboysExpressMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonticelloARMember
     
Accumulated Depreciation $ 3us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_CowboysExpressMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonticelloARMember