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Schedule III - Section 26 (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
Tractor Supply [Member] | Oneonta, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_OneontaALMember
     
Land 359us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_OneontaALMember
     
Buildings, Fixtures and Improvements 1,438us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_OneontaALMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_OneontaALMember
     
Gross Amount Carried at December 31, 2014 1,797us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_OneontaALMember
     
Accumulated Depreciation 117us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_OneontaALMember
     
Tractor Supply [Member] | Summerdale, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,210us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SummerdaleALMember
     
Land 276us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SummerdaleALMember
     
Buildings, Fixtures and Improvements 2,470us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SummerdaleALMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SummerdaleALMember
     
Gross Amount Carried at December 31, 2014 2,746us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SummerdaleALMember
     
Accumulated Depreciation 97us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SummerdaleALMember
     
Tractor Supply [Member] | Tuscaloosa, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_TuscaloosaALMember
     
Land 746us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_TuscaloosaALMember
     
Buildings, Fixtures and Improvements 1,979us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_TuscaloosaALMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_TuscaloosaALMember
     
Gross Amount Carried at December 31, 2014 2,725us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_TuscaloosaALMember
     
Accumulated Depreciation 77us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_TuscaloosaALMember
     
Tractor Supply [Member] | Little Rock, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,500us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_LittleRockARMember
     
Land 930us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_LittleRockARMember
     
Buildings, Fixtures and Improvements 2,035us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_LittleRockARMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_LittleRockARMember
     
Gross Amount Carried at December 31, 2014 2,965us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_LittleRockARMember
     
Accumulated Depreciation 79us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_LittleRockARMember
     
Tractor Supply [Member] | Auburn, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuburnCAMember
     
Land 1,175us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuburnCAMember
     
Buildings, Fixtures and Improvements 2,901us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuburnCAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuburnCAMember
     
Gross Amount Carried at December 31, 2014 4,076us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuburnCAMember
     
Accumulated Depreciation 116us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuburnCAMember
     
Tractor Supply [Member] | Dixon, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,962us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_DixonCAMember
     
Land 1,619us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_DixonCAMember
     
Buildings, Fixtures and Improvements 4,044us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_DixonCAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_DixonCAMember
     
Gross Amount Carried at December 31, 2014 5,663us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_DixonCAMember
     
Accumulated Depreciation 164us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_DixonCAMember
     
Tractor Supply [Member] | Jackson, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonCAMember
     
Land 1,209us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonCAMember
     
Buildings, Fixtures and Improvements 3,640us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonCAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonCAMember
     
Gross Amount Carried at December 31, 2014 4,849us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonCAMember
     
Accumulated Depreciation 140us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonCAMember
     
Tractor Supply [Member] | Los Banos, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 3,469us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_LosBanosCAMember
     
Land 1,213us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_LosBanosCAMember
     
Buildings, Fixtures and Improvements 3,638us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_LosBanosCAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_LosBanosCAMember
     
Gross Amount Carried at December 31, 2014 4,851us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_LosBanosCAMember
     
Accumulated Depreciation 325us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_LosBanosCAMember
     
Tractor Supply [Member] | Middletown, DE [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MiddletownDEMember
     
Land 1,487us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MiddletownDEMember
     
Buildings, Fixtures and Improvements 3,293us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MiddletownDEMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MiddletownDEMember
     
Gross Amount Carried at December 31, 2014 4,780us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MiddletownDEMember
     
Accumulated Depreciation 124us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MiddletownDEMember
     
Tractor Supply [Member] | Mims, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MimsFLMember
     
Land 310us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MimsFLMember
     
Buildings, Fixtures and Improvements 2,787us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MimsFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MimsFLMember
     
Gross Amount Carried at December 31, 2014 3,097us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MimsFLMember
     
Accumulated Depreciation 161us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MimsFLMember
     
Tractor Supply [Member] | Bainbridge, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_BainbridgeGAMember
     
Land 687us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_BainbridgeGAMember
     
Buildings, Fixtures and Improvements 2,445us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_BainbridgeGAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_BainbridgeGAMember
     
Gross Amount Carried at December 31, 2014 3,132us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_BainbridgeGAMember
     
Accumulated Depreciation 91us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_BainbridgeGAMember
     
Tractor Supply [Member] | Rincon, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_RinconGAMember
     
Land 978us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_RinconGAMember
     
Buildings, Fixtures and Improvements 2,016us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_RinconGAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_RinconGAMember
     
Gross Amount Carried at December 31, 2014 2,994us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_RinconGAMember
     
Accumulated Depreciation 76us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_RinconGAMember
     
Tractor Supply [Member] | Alton, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,403us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AltonILMember
     
Land 565us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AltonILMember
     
Buildings, Fixtures and Improvements 3,062us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AltonILMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AltonILMember
     
Gross Amount Carried at December 31, 2014 3,627us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AltonILMember
     
Accumulated Depreciation 116us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AltonILMember
     
Tractor Supply [Member] | Mishawaka, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MishawakaINMember
     
Land 620us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MishawakaINMember
     
Buildings, Fixtures and Improvements 2,683us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MishawakaINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MishawakaINMember
     
Gross Amount Carried at December 31, 2014 3,303us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MishawakaINMember
     
Accumulated Depreciation 103us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MishawakaINMember
     
Tractor Supply [Member] | Sellersburg, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,433us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SellersburgINMember
     
Land 762us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SellersburgINMember
     
Buildings, Fixtures and Improvements 2,146us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SellersburgINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SellersburgINMember
     
Gross Amount Carried at December 31, 2014 2,908us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SellersburgINMember
     
Accumulated Depreciation 85us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SellersburgINMember
     
Tractor Supply [Member] | St. John, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,247us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.JohnINMember
     
Land 1,715us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.JohnINMember
     
Buildings, Fixtures and Improvements 3,397us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.JohnINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.JohnINMember
     
Gross Amount Carried at December 31, 2014 5,112us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.JohnINMember
     
Accumulated Depreciation 139us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.JohnINMember
     
Tractor Supply [Member] | Lawrence, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,377us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_LawrenceKSMember
     
Land 361us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_LawrenceKSMember
     
Buildings, Fixtures and Improvements 2,637us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_LawrenceKSMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_LawrenceKSMember
     
Gross Amount Carried at December 31, 2014 2,998us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_LawrenceKSMember
     
Accumulated Depreciation 103us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_LawrenceKSMember
     
Tractor Supply [Member] | Topeka, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,678us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_TopekaKSMember
     
Land 446us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_TopekaKSMember
     
Buildings, Fixtures and Improvements 1,785us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_TopekaKSMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_TopekaKSMember
     
Gross Amount Carried at December 31, 2014 2,231us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_TopekaKSMember
     
Accumulated Depreciation 65us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_TopekaKSMember
     
Tractor Supply [Member] | Glasgow, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlasgowKYMember
     
Land 453us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlasgowKYMember
     
Buildings, Fixtures and Improvements 1,812us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlasgowKYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlasgowKYMember
     
Gross Amount Carried at December 31, 2014 2,265us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlasgowKYMember
     
Accumulated Depreciation 64us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlasgowKYMember
     
Tractor Supply [Member] | Grayson, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GraysonKYMember
     
Land 540us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GraysonKYMember
     
Buildings, Fixtures and Improvements 2,709us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GraysonKYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GraysonKYMember
     
Gross Amount Carried at December 31, 2014 3,249us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GraysonKYMember
     
Accumulated Depreciation 106us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GraysonKYMember
     
Tractor Supply [Member] | Paducah, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PaducahKYMember
     
Land 393us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PaducahKYMember
     
Buildings, Fixtures and Improvements 1,574us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PaducahKYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PaducahKYMember
     
Gross Amount Carried at December 31, 2014 1,967us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PaducahKYMember
     
Accumulated Depreciation 57us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PaducahKYMember
     
Tractor Supply [Member] | Gray, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,049us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GrayLAMember
     
Land 550us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GrayLAMember
     
Buildings, Fixtures and Improvements 2,202us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GrayLAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GrayLAMember
     
Gross Amount Carried at December 31, 2014 2,752us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GrayLAMember
     
Accumulated Depreciation 249us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GrayLAMember
     
Tractor Supply [Member] | Belchertown, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,823us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_BelchertownMAMember
     
Land 1,148us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_BelchertownMAMember
     
Buildings, Fixtures and Improvements 3,179us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_BelchertownMAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_BelchertownMAMember
     
Gross Amount Carried at December 31, 2014 4,327us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_BelchertownMAMember
     
Accumulated Depreciation 129us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_BelchertownMAMember
     
Tractor Supply [Member] | Millbury, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MillburyMAMember
     
Land 806us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MillburyMAMember
     
Buildings, Fixtures and Improvements 3,094us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MillburyMAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MillburyMAMember
     
Gross Amount Carried at December 31, 2014 3,900us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MillburyMAMember
     
Accumulated Depreciation 77us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MillburyMAMember
     
Tractor Supply [Member] | Southwick, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,428us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthwickMAMember
     
Land 1,601us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthwickMAMember
     
Buildings, Fixtures and Improvements 3,583us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthwickMAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthwickMAMember
     
Gross Amount Carried at December 31, 2014 5,184us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthwickMAMember
     
Accumulated Depreciation 144us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthwickMAMember
     
Tractor Supply [Member] | Augusta, ME [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,423us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AugustaMEMember
     
Land 530us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AugustaMEMember
     
Buildings, Fixtures and Improvements 2,756us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AugustaMEMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AugustaMEMember
     
Gross Amount Carried at December 31, 2014 3,286us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AugustaMEMember
     
Accumulated Depreciation 111us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AugustaMEMember
     
Tractor Supply [Member] | Jonesville, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_JonesvilleMIMember
     
Land 267us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_JonesvilleMIMember
     
Buildings, Fixtures and Improvements 2,364us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_JonesvilleMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_JonesvilleMIMember
     
Gross Amount Carried at December 31, 2014 2,631us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_JonesvilleMIMember
     
Accumulated Depreciation 93us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_JonesvilleMIMember
     
Tractor Supply [Member] | Negaunee, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_NegauneeMIMember
     
Land 488us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_NegauneeMIMember
     
Buildings, Fixtures and Improvements 1,953us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_NegauneeMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_NegauneeMIMember
     
Gross Amount Carried at December 31, 2014 2,441us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_NegauneeMIMember
     
Accumulated Depreciation 237us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_NegauneeMIMember
     
Tractor Supply [Member] | Jefferson City, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,125us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_JeffersonCityMOMember
     
Land 490us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_JeffersonCityMOMember
     
Buildings, Fixtures and Improvements 1,877us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_JeffersonCityMOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_JeffersonCityMOMember
     
Gross Amount Carried at December 31, 2014 2,367us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_JeffersonCityMOMember
     
Accumulated Depreciation 73us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_JeffersonCityMOMember
     
Tractor Supply [Member] | Nixa, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,346us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_NixaMOMember
     
Land 476us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_NixaMOMember
     
Buildings, Fixtures and Improvements 2,040us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_NixaMOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_NixaMOMember
     
Gross Amount Carried at December 31, 2014 2,516us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_NixaMOMember
     
Accumulated Depreciation 81us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_NixaMOMember
     
Tractor Supply [Member] | Sedalia, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,090us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SedaliaMOMember
     
Land 480us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SedaliaMOMember
     
Buildings, Fixtures and Improvements 1,782us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SedaliaMOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SedaliaMOMember
     
Gross Amount Carried at December 31, 2014 2,262us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SedaliaMOMember
     
Accumulated Depreciation 72us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SedaliaMOMember
     
Tractor Supply [Member] | Troy, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,286us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_TroyMOMember
     
Land 730us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_TroyMOMember
     
Buildings, Fixtures and Improvements 2,587us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_TroyMOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_TroyMOMember
     
Gross Amount Carried at December 31, 2014 3,317us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_TroyMOMember
     
Accumulated Depreciation 99us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_TroyMOMember
     
Tractor Supply [Member] | Union, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,403us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_UnionMOMember
     
Land 589us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_UnionMOMember
     
Buildings, Fixtures and Improvements 3,012us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_UnionMOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_UnionMOMember
     
Gross Amount Carried at December 31, 2014 3,601us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_UnionMOMember
     
Accumulated Depreciation 112us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_UnionMOMember
     
Tractor Supply [Member] | Franklin, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,480us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_FranklinNCMember
     
Land 434us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_FranklinNCMember
     
Buildings, Fixtures and Improvements 2,629us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_FranklinNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_FranklinNCMember
     
Gross Amount Carried at December 31, 2014 3,063us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_FranklinNCMember
     
Accumulated Depreciation 103us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_FranklinNCMember
     
Tractor Supply [Member] | Murphy, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,402us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MurphyNCMember
     
Land 990us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MurphyNCMember
     
Buildings, Fixtures and Improvements 2,090us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MurphyNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MurphyNCMember
     
Gross Amount Carried at December 31, 2014 3,080us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MurphyNCMember
     
Accumulated Depreciation 85us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MurphyNCMember
     
Tractor Supply [Member] | Plaistow, NH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlaistowNHMember
     
Land 638us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlaistowNHMember
     
Buildings, Fixtures and Improvements 2,552us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlaistowNHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlaistowNHMember
     
Gross Amount Carried at December 31, 2014 3,190us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlaistowNHMember
     
Accumulated Depreciation 147us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlaistowNHMember
     
Tractor Supply [Member] | Plymouth, NH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,074us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlymouthNHMember
     
Land 424us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlymouthNHMember
     
Buildings, Fixtures and Improvements 2,430us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlymouthNHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlymouthNHMember
     
Gross Amount Carried at December 31, 2014 2,854us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlymouthNHMember
     
Accumulated Depreciation 243us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlymouthNHMember
     
Tractor Supply [Member] | Allentown, NJ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,710us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AllentownNJMember
     
Land 697us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AllentownNJMember
     
Buildings, Fixtures and Improvements 3,949us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AllentownNJMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AllentownNJMember
     
Gross Amount Carried at December 31, 2014 4,646us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AllentownNJMember
     
Accumulated Depreciation 557us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_AllentownNJMember
     
Tractor Supply [Member] | Sicklerville, NJ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SicklervilleNJMember
     
Land 1,931us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SicklervilleNJMember
     
Buildings, Fixtures and Improvements 4,302us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SicklervilleNJMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SicklervilleNJMember
     
Gross Amount Carried at December 31, 2014 6,233us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SicklervilleNJMember
     
Accumulated Depreciation 163us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SicklervilleNJMember
     
Tractor Supply [Member] | Farmington, NM [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_FarmingtonNMMember
     
Land 1,091us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_FarmingtonNMMember
     
Buildings, Fixtures and Improvements 2,194us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_FarmingtonNMMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_FarmingtonNMMember
     
Gross Amount Carried at December 31, 2014 3,285us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_FarmingtonNMMember
     
Accumulated Depreciation 87us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_FarmingtonNMMember
     
Tractor Supply [Member] | Roswell, NM [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoswellNMMember
     
Land 947us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoswellNMMember
     
Buildings, Fixtures and Improvements 2,181us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoswellNMMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoswellNMMember
     
Gross Amount Carried at December 31, 2014 3,128us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoswellNMMember
     
Accumulated Depreciation 86us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoswellNMMember
     
Tractor Supply [Member] | Silver City, NM [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SilverCityNMMember
     
Land 716us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SilverCityNMMember
     
Buildings, Fixtures and Improvements 2,380us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SilverCityNMMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SilverCityNMMember
     
Gross Amount Carried at December 31, 2014 3,096us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SilverCityNMMember
     
Accumulated Depreciation 94us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_SilverCityNMMember
     
Tractor Supply [Member] | Macedon, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MacedonNYMember
     
Land 168us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MacedonNYMember
     
Buildings, Fixtures and Improvements 1,591us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MacedonNYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MacedonNYMember
     
Gross Amount Carried at December 31, 2014 1,759us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MacedonNYMember
     
Accumulated Depreciation 56us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_MacedonNYMember
     
Tractor Supply [Member] | Hamilton, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 931us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_HamiltonOHMember
     
Land 675us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_HamiltonOHMember
     
Buildings, Fixtures and Improvements 1,472us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_HamiltonOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_HamiltonOHMember
     
Gross Amount Carried at December 31, 2014 2,147us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_HamiltonOHMember
     
Accumulated Depreciation 83us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_HamiltonOHMember
     
Tractor Supply [Member] | Wauseon, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,374us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_WauseonOHMember
     
Land 931us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_WauseonOHMember
     
Buildings, Fixtures and Improvements 2,128us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_WauseonOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_WauseonOHMember
     
Gross Amount Carried at December 31, 2014 3,059us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_WauseonOHMember
     
Accumulated Depreciation 88us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_WauseonOHMember
     
Tractor Supply [Member] | Chickasha, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChickashaOKMember
     
Land 599us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChickashaOKMember
     
Buildings, Fixtures and Improvements 2,056us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChickashaOKMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChickashaOKMember
     
Gross Amount Carried at December 31, 2014 2,655us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChickashaOKMember
     
Accumulated Depreciation 84us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChickashaOKMember
     
Tractor Supply [Member] | Glenpool, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,180us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlenpoolOKMember
     
Land 359us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlenpoolOKMember
     
Buildings, Fixtures and Improvements 2,447us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlenpoolOKMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlenpoolOKMember
     
Gross Amount Carried at December 31, 2014 2,806us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlenpoolOKMember
     
Accumulated Depreciation 94us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GlenpoolOKMember
     
Tractor Supply [Member] | Stillwater, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,205us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_StillwaterOKMember
     
Land 205us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_StillwaterOKMember
     
Buildings, Fixtures and Improvements 2,715us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_StillwaterOKMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_StillwaterOKMember
     
Gross Amount Carried at December 31, 2014 2,920us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_StillwaterOKMember
     
Accumulated Depreciation 103us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_StillwaterOKMember
     
Tractor Supply [Member] | Gibsonia, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,648us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GibsoniaPAMember
     
Land 1,044us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GibsoniaPAMember
     
Buildings, Fixtures and Improvements 2,778us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GibsoniaPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GibsoniaPAMember
     
Gross Amount Carried at December 31, 2014 3,822us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GibsoniaPAMember
     
Accumulated Depreciation 110us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GibsoniaPAMember
     
Tractor Supply [Member] | Columbia, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbiaSCMember
     
Land 952us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbiaSCMember
     
Buildings, Fixtures and Improvements 2,222us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbiaSCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbiaSCMember
     
Gross Amount Carried at December 31, 2014 3,174us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbiaSCMember
     
Accumulated Depreciation 83us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbiaSCMember
     
Tractor Supply [Member] | Irmo, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_IrmoSCMember
     
Land 725us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_IrmoSCMember
     
Buildings, Fixtures and Improvements 2,171us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_IrmoSCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_IrmoSCMember
     
Gross Amount Carried at December 31, 2014 2,896us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_IrmoSCMember
     
Accumulated Depreciation 85us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_IrmoSCMember
     
Tractor Supply [Member] | Ballinger, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,248us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_BallingerTXMember
     
Land 476us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_BallingerTXMember
     
Buildings, Fixtures and Improvements 2,477us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_BallingerTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_BallingerTXMember
     
Gross Amount Carried at December 31, 2014 2,953us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_BallingerTXMember
     
Accumulated Depreciation 92us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_BallingerTXMember
     
Tractor Supply [Member] | Del Rio, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_DelRioTXMember
     
Land 927us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_DelRioTXMember
     
Buildings, Fixtures and Improvements 2,044us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_DelRioTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_DelRioTXMember
     
Gross Amount Carried at December 31, 2014 2,971us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_DelRioTXMember
     
Accumulated Depreciation 78us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_DelRioTXMember
     
Tractor Supply [Member] | Edinburg, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_EdinburgTXMember
     
Land 768us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_EdinburgTXMember
     
Buildings, Fixtures and Improvements 3,163us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_EdinburgTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_EdinburgTXMember
     
Gross Amount Carried at December 31, 2014 3,931us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_EdinburgTXMember
     
Accumulated Depreciation 117us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_EdinburgTXMember
     
Tractor Supply [Member] | Kenedy, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,220us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_KenedyTXMember
     
Land 309us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_KenedyTXMember
     
Buildings, Fixtures and Improvements 2,372us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_KenedyTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_KenedyTXMember
     
Gross Amount Carried at December 31, 2014 2,681us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_KenedyTXMember
     
Accumulated Depreciation 88us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_KenedyTXMember
     
Tractor Supply [Member] | Pearsall, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,199us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PearsallTXMember
     
Land 318us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PearsallTXMember
     
Buildings, Fixtures and Improvements 2,551us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PearsallTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PearsallTXMember
     
Gross Amount Carried at December 31, 2014 2,869us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PearsallTXMember
     
Accumulated Depreciation 95us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_PearsallTXMember
     
Tractor Supply [Member] | Rio Grande, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_RioGrandeTXMember
     
Land 469us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_RioGrandeTXMember
     
Buildings, Fixtures and Improvements 1,095us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_RioGrandeTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_RioGrandeTXMember
     
Gross Amount Carried at December 31, 2014 1,564us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_RioGrandeTXMember
     
Accumulated Depreciation 133us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_RioGrandeTXMember
     
Tractor Supply [Member] | Woodstock, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
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Land 524us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodstockVAMember
     
Buildings, Fixtures and Improvements 2,098us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodstockVAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodstockVAMember
     
Gross Amount Carried at December 31, 2014 2,622us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodstockVAMember
     
Accumulated Depreciation 72us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TractorSupplyMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodstockVAMember
     
Trader Joe's [Member] | Sarasota, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TraderJoesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SarasotaFLMember
     
Land 1,646us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TraderJoesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SarasotaFLMember
     
Buildings, Fixtures and Improvements 5,416us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TraderJoesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SarasotaFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TraderJoesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SarasotaFLMember
     
Gross Amount Carried at December 31, 2014 7,062us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TraderJoesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SarasotaFLMember
     
Accumulated Depreciation 250us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TraderJoesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SarasotaFLMember
     
Trader Joe's [Member] | Lexington, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TraderJoesMember
/ us-gaap_StatementGeographicalAxis
= arcp_LexingtonKYMember
     
Land 2,287us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TraderJoesMember
/ us-gaap_StatementGeographicalAxis
= arcp_LexingtonKYMember
     
Buildings, Fixtures and Improvements 3,795us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TraderJoesMember
/ us-gaap_StatementGeographicalAxis
= arcp_LexingtonKYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TraderJoesMember
/ us-gaap_StatementGeographicalAxis
= arcp_LexingtonKYMember
     
Gross Amount Carried at December 31, 2014 6,082us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TraderJoesMember
/ us-gaap_StatementGeographicalAxis
= arcp_LexingtonKYMember
     
Accumulated Depreciation 183us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TraderJoesMember
/ us-gaap_StatementGeographicalAxis
= arcp_LexingtonKYMember
     
Tumbleweed [Member] | Terre Haute, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_TerreHauteINMember
     
Land 434us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_TerreHauteINMember
     
Buildings, Fixtures and Improvements 1,303us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_TerreHauteINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_TerreHauteINMember
     
Gross Amount Carried at December 31, 2014 1,737us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_TerreHauteINMember
     
Accumulated Depreciation 113us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_TerreHauteINMember
     
Tumbleweed [Member] | Louisville, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Land 468us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Buildings, Fixtures and Improvements 1,404us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Gross Amount Carried at December 31, 2014 1,872us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Accumulated Depreciation 122us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Tumbleweed [Member] | Mayesville, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_MayesvilleKYMember
     
Land 353us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_MayesvilleKYMember
     
Buildings, Fixtures and Improvements 823us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_MayesvilleKYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_MayesvilleKYMember
     
Gross Amount Carried at December 31, 2014 1,176us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_MayesvilleKYMember
     
Accumulated Depreciation 71us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_MayesvilleKYMember
     
Tumbleweed [Member] | Owensboro, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_OwensboroKYMember
     
Land 355us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_OwensboroKYMember
     
Buildings, Fixtures and Improvements 1,420us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_OwensboroKYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_OwensboroKYMember
     
Gross Amount Carried at December 31, 2014 1,775us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_OwensboroKYMember
     
Accumulated Depreciation 123us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_OwensboroKYMember
     
Tumbleweed [Member] | Bellefontaine, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_BellefontaineOHMember
     
Land 234us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_BellefontaineOHMember
     
Buildings, Fixtures and Improvements 938us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_BellefontaineOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_BellefontaineOHMember
     
Gross Amount Carried at December 31, 2014 1,172us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_BellefontaineOHMember
     
Accumulated Depreciation 81us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_BellefontaineOHMember
     
Tumbleweed [Member] | Springfield, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringfieldOHMember
     
Land 549us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringfieldOHMember
     
Buildings, Fixtures and Improvements 1,280us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringfieldOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringfieldOHMember
     
Gross Amount Carried at December 31, 2014 1,829us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringfieldOHMember
     
Accumulated Depreciation 111us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringfieldOHMember
     
Tumbleweed [Member] | Wooster, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoosterOHMember
     
Land 342us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoosterOHMember
     
Buildings, Fixtures and Improvements 799us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoosterOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoosterOHMember
     
Gross Amount Carried at December 31, 2014 1,141us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoosterOHMember
     
Accumulated Depreciation 69us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoosterOHMember
     
Tumbleweed [Member] | Zanesville, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_ZanesvilleOHMember
     
Land 639us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_ZanesvilleOHMember
     
Buildings, Fixtures and Improvements 1,491us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_ZanesvilleOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_ZanesvilleOHMember
     
Gross Amount Carried at December 31, 2014 2,130us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_ZanesvilleOHMember
     
Accumulated Depreciation 129us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TumbleweedMember
/ us-gaap_StatementGeographicalAxis
= arcp_ZanesvilleOHMember
     
Tutor Time [Member] | Downingtown, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TutorTimeMember
/ us-gaap_StatementGeographicalAxis
= arcp_DowningtownPAMember
     
Land 205us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TutorTimeMember
/ us-gaap_StatementGeographicalAxis
= arcp_DowningtownPAMember
     
Buildings, Fixtures and Improvements 2,788us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TutorTimeMember
/ us-gaap_StatementGeographicalAxis
= arcp_DowningtownPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TutorTimeMember
/ us-gaap_StatementGeographicalAxis
= arcp_DowningtownPAMember
     
Gross Amount Carried at December 31, 2014 2,993us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TutorTimeMember
/ us-gaap_StatementGeographicalAxis
= arcp_DowningtownPAMember
     
Accumulated Depreciation 127us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TutorTimeMember
/ us-gaap_StatementGeographicalAxis
= arcp_DowningtownPAMember
     
Tutor Time [Member] | Austin, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TutorTimeMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTXMember
     
Land 417us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TutorTimeMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTXMember
     
Buildings, Fixtures and Improvements 1,861us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TutorTimeMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TutorTimeMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTXMember
     
Gross Amount Carried at December 31, 2014 2,278us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TutorTimeMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTXMember
     
Accumulated Depreciation 89us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_TutorTimeMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTXMember
     
Ulta Salon [Member] | Jonesboro, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UltaSalonMember
/ us-gaap_StatementGeographicalAxis
= arcp_JonesboroARMember
     
Land 742us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UltaSalonMember
/ us-gaap_StatementGeographicalAxis
= arcp_JonesboroARMember
     
Buildings, Fixtures and Improvements 2,289us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UltaSalonMember
/ us-gaap_StatementGeographicalAxis
= arcp_JonesboroARMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UltaSalonMember
/ us-gaap_StatementGeographicalAxis
= arcp_JonesboroARMember
     
Gross Amount Carried at December 31, 2014 3,031us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UltaSalonMember
/ us-gaap_StatementGeographicalAxis
= arcp_JonesboroARMember
     
Accumulated Depreciation 95us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UltaSalonMember
/ us-gaap_StatementGeographicalAxis
= arcp_JonesboroARMember
     
Ulta Salon [Member] | Fort Gratiot, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UltaSalonMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortGratiotMIMember
     
Land 164us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UltaSalonMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortGratiotMIMember
     
Buildings, Fixtures and Improvements 2,083us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UltaSalonMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortGratiotMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UltaSalonMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortGratiotMIMember
     
Gross Amount Carried at December 31, 2014 2,247us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UltaSalonMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortGratiotMIMember
     
Accumulated Depreciation 89us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UltaSalonMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortGratiotMIMember
     
Ulta Salon [Member] | Jackson, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,454us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UltaSalonMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonTNMember
     
Land 547us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UltaSalonMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonTNMember
     
Buildings, Fixtures and Improvements 2,123us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UltaSalonMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonTNMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UltaSalonMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonTNMember
     
Gross Amount Carried at December 31, 2014 2,670us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UltaSalonMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonTNMember
     
Accumulated Depreciation 90us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UltaSalonMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonTNMember
     
United Technologies [Member] | Bradenton, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 10,050us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UnitedTechnologiesMember
/ us-gaap_StatementGeographicalAxis
= arcp_BradentonFLMember
     
Land 2,692us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UnitedTechnologiesMember
/ us-gaap_StatementGeographicalAxis
= arcp_BradentonFLMember
     
Buildings, Fixtures and Improvements 17,973us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UnitedTechnologiesMember
/ us-gaap_StatementGeographicalAxis
= arcp_BradentonFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UnitedTechnologiesMember
/ us-gaap_StatementGeographicalAxis
= arcp_BradentonFLMember
     
Gross Amount Carried at December 31, 2014 20,665us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UnitedTechnologiesMember
/ us-gaap_StatementGeographicalAxis
= arcp_BradentonFLMember
     
Accumulated Depreciation 670us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UnitedTechnologiesMember
/ us-gaap_StatementGeographicalAxis
= arcp_BradentonFLMember
     
University Plaza [Member] | Flagstaff, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UniversityPlazaMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlagstaffAZMember
     
Land 4,727us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UniversityPlazaMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlagstaffAZMember
     
Buildings, Fixtures and Improvements 18,087us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UniversityPlazaMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlagstaffAZMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UniversityPlazaMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlagstaffAZMember
     
Gross Amount Carried at December 31, 2014 22,814us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UniversityPlazaMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlagstaffAZMember
     
Accumulated Depreciation 1,015us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_UniversityPlazaMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlagstaffAZMember
     
US Bank [Member] | Fayetteville, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_USBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNCMember
     
Land 608us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_USBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNCMember
     
Buildings, Fixtures and Improvements 1,741us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_USBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_USBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNCMember
     
Gross Amount Carried at December 31, 2014 2,349us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_USBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNCMember
     
Accumulated Depreciation 73us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_USBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNCMember
     
US Bank [Member] | Garfield Height, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_USBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarfieldHeightOHMember
     
Land 165us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_USBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarfieldHeightOHMember
     
Buildings, Fixtures and Improvements 1,016us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_USBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarfieldHeightOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_USBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarfieldHeightOHMember
     
Gross Amount Carried at December 31, 2014 1,181us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_USBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarfieldHeightOHMember
     
Accumulated Depreciation 59us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_USBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarfieldHeightOHMember
     
USG Corporation [Member] | Libertyville, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 14,807us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_USGCorporationMember
/ us-gaap_StatementGeographicalAxis
= arcp_LibertyvilleILMember
     
Land 2,593us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_USGCorporationMember
/ us-gaap_StatementGeographicalAxis
= arcp_LibertyvilleILMember
     
Buildings, Fixtures and Improvements 10,284us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_USGCorporationMember
/ us-gaap_StatementGeographicalAxis
= arcp_LibertyvilleILMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_USGCorporationMember
/ us-gaap_StatementGeographicalAxis
= arcp_LibertyvilleILMember
     
Gross Amount Carried at December 31, 2014 12,877us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_USGCorporationMember
/ us-gaap_StatementGeographicalAxis
= arcp_LibertyvilleILMember
     
Accumulated Depreciation 420us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_USGCorporationMember
/ us-gaap_StatementGeographicalAxis
= arcp_LibertyvilleILMember
     
VA Clinic [Member] | Oceanside, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 27,750us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VAClinicMember
/ us-gaap_StatementGeographicalAxis
= arcp_OceansideCAMember
     
Land 9,489us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VAClinicMember
/ us-gaap_StatementGeographicalAxis
= arcp_OceansideCAMember
     
Buildings, Fixtures and Improvements 33,812us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VAClinicMember
/ us-gaap_StatementGeographicalAxis
= arcp_OceansideCAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VAClinicMember
/ us-gaap_StatementGeographicalAxis
= arcp_OceansideCAMember
     
Gross Amount Carried at December 31, 2014 43,301us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VAClinicMember
/ us-gaap_StatementGeographicalAxis
= arcp_OceansideCAMember
     
Accumulated Depreciation 1,354us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VAClinicMember
/ us-gaap_StatementGeographicalAxis
= arcp_OceansideCAMember
     
Vacant [Member] | Ottawa, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,768us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_OttawaILMember
     
Land 376us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_OttawaILMember
     
Buildings, Fixtures and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_OttawaILMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_OttawaILMember
     
Gross Amount Carried at December 31, 2014 376us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_OttawaILMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_OttawaILMember
     
Vacant [Member] | Greensboro, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 8,597us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreensboroNCMember
     
Land 1,020us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreensboroNCMember
     
Buildings, Fixtures and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreensboroNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreensboroNCMember
     
Gross Amount Carried at December 31, 2014 1,020us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreensboroNCMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreensboroNCMember
     
Vacant [Member] | Richfield, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 10,065us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_RichfieldOHMember
     
Land 1,414us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_RichfieldOHMember
     
Buildings, Fixtures and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_RichfieldOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_RichfieldOHMember
     
Gross Amount Carried at December 31, 2014 1,414us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_RichfieldOHMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_RichfieldOHMember
     
Vacant [Member] | Virginia Beach, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 959us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_VirginiaBeachVAMember
     
Land 934us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_VirginiaBeachVAMember
     
Buildings, Fixtures and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_VirginiaBeachVAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_VirginiaBeachVAMember
     
Gross Amount Carried at December 31, 2014 934us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_VirginiaBeachVAMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VacantMember
/ us-gaap_StatementGeographicalAxis
= arcp_VirginiaBeachVAMember
     
Vanguard Car Rental [Member] | College Park, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 8,625us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VanguardCarRentalMember
/ us-gaap_StatementGeographicalAxis
= arcp_CollegeParkGAMember
     
Land 1,561us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VanguardCarRentalMember
/ us-gaap_StatementGeographicalAxis
= arcp_CollegeParkGAMember
     
Buildings, Fixtures and Improvements 6,244us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VanguardCarRentalMember
/ us-gaap_StatementGeographicalAxis
= arcp_CollegeParkGAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VanguardCarRentalMember
/ us-gaap_StatementGeographicalAxis
= arcp_CollegeParkGAMember
     
Gross Amount Carried at December 31, 2014 7,805us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VanguardCarRentalMember
/ us-gaap_StatementGeographicalAxis
= arcp_CollegeParkGAMember
     
Accumulated Depreciation 256us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VanguardCarRentalMember
/ us-gaap_StatementGeographicalAxis
= arcp_CollegeParkGAMember
     
Velox Insurance [Member] | Woodstock, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VeloxInsuranceMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodstockGAMember
     
Land 155us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VeloxInsuranceMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodstockGAMember
     
Buildings, Fixtures and Improvements 127us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VeloxInsuranceMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodstockGAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VeloxInsuranceMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodstockGAMember
     
Gross Amount Carried at December 31, 2014 282us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VeloxInsuranceMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodstockGAMember
     
Accumulated Depreciation 11us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VeloxInsuranceMember
/ us-gaap_StatementGeographicalAxis
= arcp_WoodstockGAMember
     
Verizon Wireless [Member] | Statesville, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VerizonWirelessMember
/ us-gaap_StatementGeographicalAxis
= arcp_StatesvilleNCMember
     
Land 207us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VerizonWirelessMember
/ us-gaap_StatementGeographicalAxis
= arcp_StatesvilleNCMember
     
Buildings, Fixtures and Improvements 459us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VerizonWirelessMember
/ us-gaap_StatementGeographicalAxis
= arcp_StatesvilleNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VerizonWirelessMember
/ us-gaap_StatementGeographicalAxis
= arcp_StatesvilleNCMember
     
Gross Amount Carried at December 31, 2014 666us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VerizonWirelessMember
/ us-gaap_StatementGeographicalAxis
= arcp_StatesvilleNCMember
     
Accumulated Depreciation 40us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VerizonWirelessMember
/ us-gaap_StatementGeographicalAxis
= arcp_StatesvilleNCMember
     
Volusia Square [Member] | Daytona Beach, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 16,557us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VolusiaSquareMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaytonaBeachFLMember
     
Land 4,598us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VolusiaSquareMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaytonaBeachFLMember
     
Buildings, Fixtures and Improvements 28,511us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VolusiaSquareMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaytonaBeachFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VolusiaSquareMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaytonaBeachFLMember
     
Gross Amount Carried at December 31, 2014 33,109us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VolusiaSquareMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaytonaBeachFLMember
     
Accumulated Depreciation 1,415us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_VolusiaSquareMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaytonaBeachFLMember
     
Waffle House [Member] | Cocoa, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WaffleHouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_CocoaFLMember
     
Land 150us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WaffleHouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_CocoaFLMember
     
Buildings, Fixtures and Improvements 279us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WaffleHouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_CocoaFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WaffleHouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_CocoaFLMember
     
Gross Amount Carried at December 31, 2014 429us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WaffleHouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_CocoaFLMember
     
Accumulated Depreciation 21us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WaffleHouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_CocoaFLMember
     
Waffle House [Member] | Roanoke, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WaffleHouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoanokeVAMember
     
Land 176us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WaffleHouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoanokeVAMember
     
Buildings, Fixtures and Improvements 327us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WaffleHouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoanokeVAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WaffleHouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoanokeVAMember
     
Gross Amount Carried at December 31, 2014 503us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WaffleHouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoanokeVAMember
     
Accumulated Depreciation 25us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WaffleHouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoanokeVAMember
     
Walgreens [Member] | Lawrence, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,609us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LawrenceKSMember
     
Land 588us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LawrenceKSMember
     
Buildings, Fixtures and Improvements 2,351us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LawrenceKSMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LawrenceKSMember
     
Gross Amount Carried at December 31, 2014 2,939us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LawrenceKSMember
     
Accumulated Depreciation 96us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LawrenceKSMember
     
Walgreens [Member] | Augusta, ME [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 3,156us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AugustaMEMember
     
Land 1,648us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AugustaMEMember
     
Buildings, Fixtures and Improvements 5,146us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AugustaMEMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AugustaMEMember
     
Gross Amount Carried at December 31, 2014 6,794us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AugustaMEMember
     
Accumulated Depreciation 261us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AugustaMEMember
     
Walgreens [Member] | Chickasha, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChickashaOKMember
     
Land 347us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChickashaOKMember
     
Buildings, Fixtures and Improvements 4,200us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChickashaOKMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChickashaOKMember
     
Gross Amount Carried at December 31, 2014 4,547us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChickashaOKMember
     
Accumulated Depreciation 201us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChickashaOKMember
     
Walgreens [Member] | Stillwater, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_StillwaterOKMember
     
Land 368us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_StillwaterOKMember
     
Buildings, Fixtures and Improvements 4,368us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_StillwaterOKMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_StillwaterOKMember
     
Gross Amount Carried at December 31, 2014 4,736us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_StillwaterOKMember
     
Accumulated Depreciation 212us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_StillwaterOKMember
     
Walgreens [Member] | Fayetteville, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNCMember
     
Land 860us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNCMember
     
Buildings, Fixtures and Improvements 4,263us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNCMember
     
Gross Amount Carried at December 31, 2014 5,123us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNCMember
     
Accumulated Depreciation 233us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNCMember
     
Walgreens [Member] | Roanoke, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoanokeVAMember
     
Land 842us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoanokeVAMember
     
Buildings, Fixtures and Improvements 4,051us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoanokeVAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoanokeVAMember
     
Gross Amount Carried at December 31, 2014 4,893us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoanokeVAMember
     
Accumulated Depreciation 202us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoanokeVAMember
     
Walgreens [Member] | Birmingham, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,560us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BirminghamALMember
     
Land 996us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BirminghamALMember
     
Buildings, Fixtures and Improvements 3,005us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BirminghamALMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BirminghamALMember
     
Gross Amount Carried at December 31, 2014 4,001us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BirminghamALMember
     
Accumulated Depreciation 158us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BirminghamALMember
     
Walgreens [Member] | Wetumpka, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,362us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WetumpkaALMember
     
Land 547us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WetumpkaALMember
     
Buildings, Fixtures and Improvements 3,102us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WetumpkaALMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WetumpkaALMember
     
Gross Amount Carried at December 31, 2014 3,649us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WetumpkaALMember
     
Accumulated Depreciation 535us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WetumpkaALMember
     
Walgreens [Member] | Kingman, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,997us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingmanAZMember
     
Land 669us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingmanAZMember
     
Buildings, Fixtures and Improvements 5,726us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingmanAZMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingmanAZMember
     
Gross Amount Carried at December 31, 2014 6,395us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingmanAZMember
     
Accumulated Depreciation 278us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingmanAZMember
     
Walgreens [Member] | Peoria, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PeoriaAZMember
     
Land 837us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PeoriaAZMember
     
Buildings, Fixtures and Improvements 1,953us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PeoriaAZMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PeoriaAZMember
     
Gross Amount Carried at December 31, 2014 2,790us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PeoriaAZMember
     
Accumulated Depreciation 220us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PeoriaAZMember
     
Walgreens [Member] | Phoenix, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhoenixAZMember
     
Land 1,037us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhoenixAZMember
     
Buildings, Fixtures and Improvements 1,927us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhoenixAZMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhoenixAZMember
     
Gross Amount Carried at December 31, 2014 2,964us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhoenixAZMember
     
Accumulated Depreciation 207us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PhoenixAZMember
     
Walgreens [Member] | Tucson, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TucsonAZMember
     
Land 1,234us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TucsonAZMember
     
Buildings, Fixtures and Improvements 5,143us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TucsonAZMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TucsonAZMember
     
Gross Amount Carried at December 31, 2014 6,377us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TucsonAZMember
     
Accumulated Depreciation 249us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TucsonAZMember
     
Walgreens [Member] | Tucson, AZ 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,910us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TucsonAZ2Member
     
Land 1,406us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TucsonAZ2Member
     
Buildings, Fixtures and Improvements 3,571us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TucsonAZ2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TucsonAZ2Member
     
Gross Amount Carried at December 31, 2014 4,977us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TucsonAZ2Member
     
Accumulated Depreciation 177us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TucsonAZ2Member
     
Walgreens [Member] | Coalinga, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,800us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CoalingaCAMember
     
Land 396us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CoalingaCAMember
     
Buildings, Fixtures and Improvements 3,568us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CoalingaCAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CoalingaCAMember
     
Gross Amount Carried at December 31, 2014 3,964us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CoalingaCAMember
     
Accumulated Depreciation 687us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CoalingaCAMember
     
Walgreens [Member] | Lancaster, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,719us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterCAMember
     
Land 859us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterCAMember
     
Buildings, Fixtures and Improvements 4,246us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterCAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterCAMember
     
Gross Amount Carried at December 31, 2014 5,105us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterCAMember
     
Accumulated Depreciation 225us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterCAMember
     
Walgreens [Member] | Boulder, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoulderCOMember
     
Land 898us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoulderCOMember
     
Buildings, Fixtures and Improvements 3,198us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoulderCOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoulderCOMember
     
Gross Amount Carried at December 31, 2014 4,096us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoulderCOMember
     
Accumulated Depreciation 154us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BoulderCOMember
     
Walgreens [Member] | Castle Rock, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 3,953us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CastleRockCOMember
     
Land 1,581us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CastleRockCOMember
     
Buildings, Fixtures and Improvements 3,689us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CastleRockCOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CastleRockCOMember
     
Gross Amount Carried at December 31, 2014 5,270us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CastleRockCOMember
     
Accumulated Depreciation 323us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CastleRockCOMember
     
Walgreens [Member] | Denver, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 3,350us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DenverCOMember
     
Land 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DenverCOMember
     
Buildings, Fixtures and Improvements 4,050us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DenverCOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DenverCOMember
     
Gross Amount Carried at December 31, 2014 4,050us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DenverCOMember
     
Accumulated Depreciation 354us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DenverCOMember
     
Walgreens [Member] | Pueblo, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PuebloCOMember
     
Land 519us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PuebloCOMember
     
Buildings, Fixtures and Improvements 2,971us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PuebloCOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PuebloCOMember
     
Gross Amount Carried at December 31, 2014 3,490us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PuebloCOMember
     
Accumulated Depreciation 146us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PuebloCOMember
     
Walgreens [Member] | Orlando, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_OrlandoFLMember
     
Land 1,007us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_OrlandoFLMember
     
Buildings, Fixtures and Improvements 1,869us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_OrlandoFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_OrlandoFLMember
     
Gross Amount Carried at December 31, 2014 2,876us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_OrlandoFLMember
     
Accumulated Depreciation 145us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_OrlandoFLMember
     
Walgreens [Member] | Acworth, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AcworthGAMember
     
Land 1,583us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AcworthGAMember
     
Buildings, Fixtures and Improvements 2,940us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AcworthGAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AcworthGAMember
     
Gross Amount Carried at December 31, 2014 4,523us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AcworthGAMember
     
Accumulated Depreciation 345us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AcworthGAMember
     
Walgreens [Member] | Decatur, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DecaturGAMember
     
Land 1,746us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DecaturGAMember
     
Buildings, Fixtures and Improvements 3,337us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DecaturGAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DecaturGAMember
     
Gross Amount Carried at December 31, 2014 5,083us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DecaturGAMember
     
Accumulated Depreciation 163us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DecaturGAMember
     
Walgreens [Member] | Grayson, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,720us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_GraysonGAMember
     
Land 947us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_GraysonGAMember
     
Buildings, Fixtures and Improvements 3,748us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_GraysonGAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_GraysonGAMember
     
Gross Amount Carried at December 31, 2014 4,695us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_GraysonGAMember
     
Accumulated Depreciation 181us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_GraysonGAMember
     
Walgreens [Member] | Union City, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_UnionCityGAMember
     
Land 909us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_UnionCityGAMember
     
Buildings, Fixtures and Improvements 3,841us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_UnionCityGAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_UnionCityGAMember
     
Gross Amount Carried at December 31, 2014 4,750us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_UnionCityGAMember
     
Accumulated Depreciation 185us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_UnionCityGAMember
     
Walgreens [Member] | Warner Robins, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarnerRobinsGAMember
     
Land 1,099us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarnerRobinsGAMember
     
Buildings, Fixtures and Improvements 3,069us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarnerRobinsGAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarnerRobinsGAMember
     
Gross Amount Carried at December 31, 2014 4,168us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarnerRobinsGAMember
     
Accumulated Depreciation 155us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarnerRobinsGAMember
     
Walgreens [Member] | Dubuque, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DubuqueIAMember
     
Land 638us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DubuqueIAMember
     
Buildings, Fixtures and Improvements 3,905us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DubuqueIAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DubuqueIAMember
     
Gross Amount Carried at December 31, 2014 4,543us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DubuqueIAMember
     
Accumulated Depreciation 187us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DubuqueIAMember
     
Walgreens [Member] | Muscatine, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MuscatineIAMember
     
Land 676us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MuscatineIAMember
     
Buildings, Fixtures and Improvements 3,243us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MuscatineIAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MuscatineIAMember
     
Gross Amount Carried at December 31, 2014 3,919us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MuscatineIAMember
     
Accumulated Depreciation 159us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MuscatineIAMember
     
Walgreens [Member] | Twin Falls, ID [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,432us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TwinFallsIDMember
     
Land 1,156us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TwinFallsIDMember
     
Buildings, Fixtures and Improvements 3,896us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TwinFallsIDMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TwinFallsIDMember
     
Gross Amount Carried at December 31, 2014 5,052us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TwinFallsIDMember
     
Accumulated Depreciation 197us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TwinFallsIDMember
     
Walgreens [Member] | Cahokia, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,595us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CahokiaILMember
     
Land 394us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CahokiaILMember
     
Buildings, Fixtures and Improvements 1,577us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CahokiaILMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CahokiaILMember
     
Gross Amount Carried at December 31, 2014 1,971us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CahokiaILMember
     
Accumulated Depreciation 68us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CahokiaILMember
     
Walgreens [Member] | Chicago, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoILMember
     
Land 1,212us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoILMember
     
Buildings, Fixtures and Improvements 2,829us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoILMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoILMember
     
Gross Amount Carried at December 31, 2014 4,041us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoILMember
     
Accumulated Depreciation 332us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoILMember
     
Walgreens [Member] | Chicago, IL 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoIL2Member
     
Land 1,617us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoIL2Member
     
Buildings, Fixtures and Improvements 3,003us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoIL2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoIL2Member
     
Gross Amount Carried at December 31, 2014 4,620us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoIL2Member
     
Accumulated Depreciation 353us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoIL2Member
     
Walgreens [Member] | Chicago, IL 3 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoIL3Member
     
Land 952us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoIL3Member
     
Buildings, Fixtures and Improvements 3,235us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoIL3Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoIL3Member
     
Gross Amount Carried at December 31, 2014 4,187us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoIL3Member
     
Accumulated Depreciation 155us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoIL3Member
     
Walgreens [Member] | Chicago, IL 4 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoIL4Member
     
Land 911us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoIL4Member
     
Buildings, Fixtures and Improvements 4,830us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoIL4Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoIL4Member
     
Gross Amount Carried at December 31, 2014 5,741us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoIL4Member
     
Accumulated Depreciation 226us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoIL4Member
     
Walgreens [Member] | Loves Park, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LovesParkILMember
     
Land 943us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LovesParkILMember
     
Buildings, Fixtures and Improvements 3,528us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LovesParkILMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LovesParkILMember
     
Gross Amount Carried at December 31, 2014 4,471us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LovesParkILMember
     
Accumulated Depreciation 169us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LovesParkILMember
     
Walgreens [Member] | Machesney Park, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MachesneyParkILMember
     
Land 822us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MachesneyParkILMember
     
Buildings, Fixtures and Improvements 3,727us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MachesneyParkILMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MachesneyParkILMember
     
Gross Amount Carried at December 31, 2014 4,549us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MachesneyParkILMember
     
Accumulated Depreciation 183us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MachesneyParkILMember
     
Walgreens [Member] | Matteson, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,450us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MattesonILMember
     
Land 416us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MattesonILMember
     
Buildings, Fixtures and Improvements 4,070us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MattesonILMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MattesonILMember
     
Gross Amount Carried at December 31, 2014 4,486us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MattesonILMember
     
Accumulated Depreciation 187us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MattesonILMember
     
Walgreens [Member] | South Elgin, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,260us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthElginILMember
     
Land 1,710us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthElginILMember
     
Buildings, Fixtures and Improvements 3,208us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthElginILMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthElginILMember
     
Gross Amount Carried at December 31, 2014 4,918us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthElginILMember
     
Accumulated Depreciation 160us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthElginILMember
     
Walgreens [Member] | St. Charles, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,030us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.CharlesILMember
     
Land 1,472us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.CharlesILMember
     
Buildings, Fixtures and Improvements 3,262us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.CharlesILMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.CharlesILMember
     
Gross Amount Carried at December 31, 2014 4,734us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.CharlesILMember
     
Accumulated Depreciation 156us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.CharlesILMember
     
Walgreens [Member] | Anderson, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,717us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AndersonINMember
     
Land 807us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AndersonINMember
     
Buildings, Fixtures and Improvements 3,227us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AndersonINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AndersonINMember
     
Gross Amount Carried at December 31, 2014 4,034us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AndersonINMember
     
Accumulated Depreciation 476us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AndersonINMember
     
Walgreens [Member] | Lafayette, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,350us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LafayetteINMember
     
Land 626us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LafayetteINMember
     
Buildings, Fixtures and Improvements 4,183us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LafayetteINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LafayetteINMember
     
Gross Amount Carried at December 31, 2014 4,809us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LafayetteINMember
     
Accumulated Depreciation 181us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LafayetteINMember
     
Walgreens [Member] | South Bend, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 3,120us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthBendINMember
     
Land 1,240us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthBendINMember
     
Buildings, Fixtures and Improvements 5,015us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthBendINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthBendINMember
     
Gross Amount Carried at December 31, 2014 6,255us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthBendINMember
     
Accumulated Depreciation 251us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_SouthBendINMember
     
Walgreens [Member] | Olathe, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_OlatheKSMember
     
Land 1,258us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_OlatheKSMember
     
Buildings, Fixtures and Improvements 3,774us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_OlatheKSMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_OlatheKSMember
     
Gross Amount Carried at December 31, 2014 5,032us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_OlatheKSMember
     
Accumulated Depreciation 330us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_OlatheKSMember
     
Walgreens [Member] | Wichita, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WichitaKSMember
     
Land 385us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WichitaKSMember
     
Buildings, Fixtures and Improvements 4,286us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WichitaKSMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WichitaKSMember
     
Gross Amount Carried at December 31, 2014 4,671us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WichitaKSMember
     
Accumulated Depreciation 207us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WichitaKSMember
     
Walgreens [Member] | Frankfort, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,935us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_FrankfortKYMember
     
Land 911us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_FrankfortKYMember
     
Buildings, Fixtures and Improvements 3,643us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_FrankfortKYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_FrankfortKYMember
     
Gross Amount Carried at December 31, 2014 4,554us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_FrankfortKYMember
     
Accumulated Depreciation 628us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_FrankfortKYMember
     
Walgreens [Member] | Madisonville, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MadisonvilleKYMember
     
Land 1,085us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MadisonvilleKYMember
     
Buildings, Fixtures and Improvements 2,857us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MadisonvilleKYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MadisonvilleKYMember
     
Gross Amount Carried at December 31, 2014 3,942us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MadisonvilleKYMember
     
Accumulated Depreciation 147us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MadisonvilleKYMember
     
Walgreens [Member] | Shereveport, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,638us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ShereveportLAMember
     
Land 619us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ShereveportLAMember
     
Buildings, Fixtures and Improvements 3,509us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ShereveportLAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ShereveportLAMember
     
Gross Amount Carried at December 31, 2014 4,128us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ShereveportLAMember
     
Accumulated Depreciation 605us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ShereveportLAMember
     
Walgreens [Member] | Framingham, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 3,046us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_FraminghamMAMember
     
Land 2,103us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_FraminghamMAMember
     
Buildings, Fixtures and Improvements 4,770us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_FraminghamMAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_FraminghamMAMember
     
Gross Amount Carried at December 31, 2014 6,873us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_FraminghamMAMember
     
Accumulated Depreciation 227us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_FraminghamMAMember
     
Walgreens [Member] | Baltimore, MD [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BaltimoreMDMember
     
Land 1,185us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BaltimoreMDMember
     
Buildings, Fixtures and Improvements 2,764us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BaltimoreMDMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BaltimoreMDMember
     
Gross Amount Carried at December 31, 2014 3,949us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BaltimoreMDMember
     
Accumulated Depreciation 228us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BaltimoreMDMember
     
Walgreens [Member] | Brooklyn Park, MD [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrooklynParkMDMember
     
Land 1,416us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrooklynParkMDMember
     
Buildings, Fixtures and Improvements 4,160us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrooklynParkMDMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrooklynParkMDMember
     
Gross Amount Carried at December 31, 2014 5,576us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrooklynParkMDMember
     
Accumulated Depreciation 197us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrooklynParkMDMember
     
Walgreens [Member] | Clarkston, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClarkstonMIMember
     
Land 2,768us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClarkstonMIMember
     
Buildings, Fixtures and Improvements 3,197us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClarkstonMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClarkstonMIMember
     
Gross Amount Carried at December 31, 2014 5,965us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClarkstonMIMember
     
Accumulated Depreciation 158us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClarkstonMIMember
     
Walgreens [Member] | Clinton, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClintonMIMember
     
Land 1,463us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClintonMIMember
     
Buildings, Fixtures and Improvements 3,413us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClintonMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClintonMIMember
     
Gross Amount Carried at December 31, 2014 4,876us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClintonMIMember
     
Accumulated Depreciation 435us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClintonMIMember
     
Walgreens [Member] | Dearborn Heights, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DearbornHeightsMIMember
     
Land 190us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DearbornHeightsMIMember
     
Buildings, Fixtures and Improvements 3,605us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DearbornHeightsMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DearbornHeightsMIMember
     
Gross Amount Carried at December 31, 2014 3,795us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DearbornHeightsMIMember
     
Accumulated Depreciation 370us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DearbornHeightsMIMember
     
Walgreens [Member] | Eastpointe, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_EastpointeMIMember
     
Land 668us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_EastpointeMIMember
     
Buildings, Fixtures and Improvements 2,672us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_EastpointeMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_EastpointeMIMember
     
Gross Amount Carried at December 31, 2014 3,340us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_EastpointeMIMember
     
Accumulated Depreciation 474us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_EastpointeMIMember
     
Walgreens [Member] | Lincoln Park, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 5,494us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LincolnParkMIMember
     
Land 1,041us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LincolnParkMIMember
     
Buildings, Fixtures and Improvements 5,896us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LincolnParkMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LincolnParkMIMember
     
Gross Amount Carried at December 31, 2014 6,937us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LincolnParkMIMember
     
Accumulated Depreciation 870us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LincolnParkMIMember
     
Walgreens [Member] | Livonia, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LivoniaMIMember
     
Land 261us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LivoniaMIMember
     
Buildings, Fixtures and Improvements 2,350us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LivoniaMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LivoniaMIMember
     
Gross Amount Carried at December 31, 2014 2,611us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LivoniaMIMember
     
Accumulated Depreciation 241us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LivoniaMIMember
     
Walgreens [Member] | Stevensville, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 3,100us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_StevensvilleMIMember
     
Land 855us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_StevensvilleMIMember
     
Buildings, Fixtures and Improvements 3,420us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_StevensvilleMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_StevensvilleMIMember
     
Gross Amount Carried at December 31, 2014 4,275us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_StevensvilleMIMember
     
Accumulated Depreciation 641us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_StevensvilleMIMember
     
Walgreens [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_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TroyMIMember
     
Land 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TroyMIMember
     
Buildings, Fixtures and Improvements 1,896us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TroyMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TroyMIMember
     
Gross Amount Carried at December 31, 2014 1,896us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TroyMIMember
     
Accumulated Depreciation 232us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_TroyMIMember
     
Walgreens [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_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenMIMember
     
Land 748us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenMIMember
     
Buildings, Fixtures and Improvements 2,991us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenMIMember
     
Gross Amount Carried at December 31, 2014 3,739us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenMIMember
     
Accumulated Depreciation 381us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenMIMember
     
Walgreens [Member] | North Mankato, MN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,530us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthMankatoMNMember
     
Land 1,748us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthMankatoMNMember
     
Buildings, Fixtures and Improvements 3,604us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthMankatoMNMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthMankatoMNMember
     
Gross Amount Carried at December 31, 2014 5,352us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthMankatoMNMember
     
Accumulated Depreciation 180us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthMankatoMNMember
     
Walgreens [Member] | Country Club Hill, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CountryClubHillMOMember
     
Land 997us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CountryClubHillMOMember
     
Buildings, Fixtures and Improvements 4,204us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CountryClubHillMOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CountryClubHillMOMember
     
Gross Amount Carried at December 31, 2014 5,201us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CountryClubHillMOMember
     
Accumulated Depreciation 190us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CountryClubHillMOMember
     
Walgreens [Member] | Independence, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndependenceMOMember
     
Land 1,122us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndependenceMOMember
     
Buildings, Fixtures and Improvements 3,816us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndependenceMOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndependenceMOMember
     
Gross Amount Carried at December 31, 2014 4,938us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndependenceMOMember
     
Accumulated Depreciation 188us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndependenceMOMember
     
Walgreens [Member] | Columbia, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 3,091us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbiaMSMember
     
Land 452us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbiaMSMember
     
Buildings, Fixtures and Improvements 4,072us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbiaMSMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbiaMSMember
     
Gross Amount Carried at December 31, 2014 4,524us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbiaMSMember
     
Accumulated Depreciation 499us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbiaMSMember
     
Walgreens [Member] | Greenwood, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,423us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreenwoodMSMember
     
Land 561us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreenwoodMSMember
     
Buildings, Fixtures and Improvements 3,181us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreenwoodMSMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreenwoodMSMember
     
Gross Amount Carried at December 31, 2014 3,742us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreenwoodMSMember
     
Accumulated Depreciation 549us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_GreenwoodMSMember
     
Walgreens [Member] | Jackson, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonMSMember
     
Land 983us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonMSMember
     
Buildings, Fixtures and Improvements 2,996us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonMSMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonMSMember
     
Gross Amount Carried at December 31, 2014 3,979us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonMSMember
     
Accumulated Depreciation 164us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonMSMember
     
Walgreens [Member] | Cape Carteret, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,400us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CapeCarteretNCMember
     
Land 919us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CapeCarteretNCMember
     
Buildings, Fixtures and Improvements 3,087us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CapeCarteretNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CapeCarteretNCMember
     
Gross Amount Carried at December 31, 2014 4,006us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CapeCarteretNCMember
     
Accumulated Depreciation 151us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_CapeCarteretNCMember
     
Walgreens [Member] | Durham, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,871us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DurhamNCMember
     
Land 1,441us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DurhamNCMember
     
Buildings, Fixtures and Improvements 3,581us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DurhamNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DurhamNCMember
     
Gross Amount Carried at December 31, 2014 5,022us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DurhamNCMember
     
Accumulated Depreciation 195us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DurhamNCMember
     
Walgreens [Member] | Durham, NC 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,849us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DurhamNC2Member
     
Land 2,201us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DurhamNC2Member
     
Buildings, Fixtures and Improvements 2,923us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DurhamNC2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DurhamNC2Member
     
Gross Amount Carried at December 31, 2014 5,124us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DurhamNC2Member
     
Accumulated Depreciation 173us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_DurhamNC2Member
     
Walgreens [Member] | Laurinburg, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaurinburgNCMember
     
Land 355us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaurinburgNCMember
     
Buildings, Fixtures and Improvements 3,577us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaurinburgNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaurinburgNCMember
     
Gross Amount Carried at December 31, 2014 3,932us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaurinburgNCMember
     
Accumulated Depreciation 185us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LaurinburgNCMember
     
Walgreens [Member] | Leland, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,472us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LelandNCMember
     
Land 1,226us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LelandNCMember
     
Buildings, Fixtures and Improvements 3,681us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LelandNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LelandNCMember
     
Gross Amount Carried at December 31, 2014 4,907us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LelandNCMember
     
Accumulated Depreciation 185us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LelandNCMember
     
Walgreens [Member] | Rocky Mount, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,995us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockyMountNCMember
     
Land 1,105us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockyMountNCMember
     
Buildings, Fixtures and Improvements 4,046us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockyMountNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockyMountNCMember
     
Gross Amount Carried at December 31, 2014 5,151us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockyMountNCMember
     
Accumulated Depreciation 224us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockyMountNCMember
     
Walgreens [Member] | Wilmington, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilmingtonNCMember
     
Land 941us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilmingtonNCMember
     
Buildings, Fixtures and Improvements 4,057us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilmingtonNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilmingtonNCMember
     
Gross Amount Carried at December 31, 2014 4,998us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilmingtonNCMember
     
Accumulated Depreciation 215us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WilmingtonNCMember
     
Walgreens [Member] | Winterville, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 3,030us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WintervilleNCMember
     
Land 578us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WintervilleNCMember
     
Buildings, Fixtures and Improvements 5,322us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WintervilleNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WintervilleNCMember
     
Gross Amount Carried at December 31, 2014 5,900us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WintervilleNCMember
     
Accumulated Depreciation 274us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WintervilleNCMember
     
Walgreens [Member] | North Platte, NE [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthPlatteNEMember
     
Land 935us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthPlatteNEMember
     
Buildings, Fixtures and Improvements 4,292us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthPlatteNEMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthPlatteNEMember
     
Gross Amount Carried at December 31, 2014 5,227us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthPlatteNEMember
     
Accumulated Depreciation 216us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthPlatteNEMember
     
Walgreens [Member] | Omaha, NE [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,580us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_OmahaNEMember
     
Land 1,316us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_OmahaNEMember
     
Buildings, Fixtures and Improvements 4,122us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_OmahaNEMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_OmahaNEMember
     
Gross Amount Carried at December 31, 2014 5,438us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_OmahaNEMember
     
Accumulated Depreciation 205us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_OmahaNEMember
     
Walgreens [Member] | Papillion, NE [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PapillionNEMember
     
Land 1,239us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PapillionNEMember
     
Buildings, Fixtures and Improvements 3,212us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PapillionNEMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PapillionNEMember
     
Gross Amount Carried at December 31, 2014 4,451us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PapillionNEMember
     
Accumulated Depreciation 157us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_PapillionNEMember
     
Walgreens [Member] | Maplewood, NJ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 4,700us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MaplewoodNJMember
     
Land 1,071us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MaplewoodNJMember
     
Buildings, Fixtures and Improvements 6,071us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MaplewoodNJMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MaplewoodNJMember
     
Gross Amount Carried at December 31, 2014 7,142us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MaplewoodNJMember
     
Accumulated Depreciation 1,138us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_MaplewoodNJMember
     
Walgreens [Member] | Albuquerque, NM [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbuquerqueNMMember
     
Land 1,173us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbuquerqueNMMember
     
Buildings, Fixtures and Improvements 2,287us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbuquerqueNMMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbuquerqueNMMember
     
Gross Amount Carried at December 31, 2014 3,460us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbuquerqueNMMember
     
Accumulated Depreciation 114us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbuquerqueNMMember
     
Walgreens [Member] | Las Vegas, NV [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 6,566us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LasVegasNVMember
     
Land 1,528us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LasVegasNVMember
     
Buildings, Fixtures and Improvements 6,114us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LasVegasNVMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LasVegasNVMember
     
Gross Amount Carried at December 31, 2014 7,642us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LasVegasNVMember
     
Accumulated Depreciation 963us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LasVegasNVMember
     
Walgreens [Member] | Las Vegas, NV 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LasVegasNV2Member
     
Land 700us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LasVegasNV2Member
     
Buildings, Fixtures and Improvements 2,801us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LasVegasNV2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LasVegasNV2Member
     
Gross Amount Carried at December 31, 2014 3,501us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LasVegasNV2Member
     
Accumulated Depreciation 287us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LasVegasNV2Member
     
Walgreens [Member] | Lockport, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LockportNYMember
     
Land 2,358us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LockportNYMember
     
Buildings, Fixtures and Improvements 2,301us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LockportNYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LockportNYMember
     
Gross Amount Carried at December 31, 2014 4,659us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LockportNYMember
     
Accumulated Depreciation 98us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_LockportNYMember
     
Walgreens [Member] | Staten Island, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 3,081us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_StatenIslandNYMember
     
Land 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_StatenIslandNYMember
     
Buildings, Fixtures and Improvements 3,984us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_StatenIslandNYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_StatenIslandNYMember
     
Gross Amount Carried at December 31, 2014 3,984us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_StatenIslandNYMember
     
Accumulated Depreciation 767us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_StatenIslandNYMember
     
Walgreens [Member] | Watertown, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WatertownNYMember
     
Land 2,937us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WatertownNYMember
     
Buildings, Fixtures and Improvements 2,664us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WatertownNYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WatertownNYMember
     
Gross Amount Carried at December 31, 2014 5,601us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WatertownNYMember
     
Accumulated Depreciation $ 134us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_WalgreensMember
/ us-gaap_StatementGeographicalAxis
= arcp_WatertownNYMember