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Schedule III - Section 14 (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
Fire Mountain Buffet [Member] | Cullman, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_CullmanALMember
     
Land 847us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_CullmanALMember
     
Buildings, Fixtures and Improvements 2,390us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_CullmanALMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_CullmanALMember
     
Gross Amount Carried at December 31, 2014 3,237us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_CullmanALMember
     
Accumulated Depreciation 128us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_CullmanALMember
     
Fire Mountain Buffet [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_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_TuscaloosaALMember
     
Land 244us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_TuscaloosaALMember
     
Buildings, Fixtures and Improvements 1,306us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_TuscaloosaALMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_TuscaloosaALMember
     
Gross Amount Carried at December 31, 2014 1,550us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_TuscaloosaALMember
     
Accumulated Depreciation 76us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_TuscaloosaALMember
     
Fire Mountain Buffet [Member] | Searcy, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_SearcyARMember
     
Land 231us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_SearcyARMember
     
Buildings, Fixtures and Improvements 1,286us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_SearcyARMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_SearcyARMember
     
Gross Amount Carried at December 31, 2014 1,517us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_SearcyARMember
     
Accumulated Depreciation 75us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_SearcyARMember
     
Fire Mountain Buffet [Member] | Bossier City, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_BossierCityLAMember
     
Land 1,168us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_BossierCityLAMember
     
Buildings, Fixtures and Improvements 2,594us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_BossierCityLAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_BossierCityLAMember
     
Gross Amount Carried at December 31, 2014 3,762us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_BossierCityLAMember
     
Accumulated Depreciation 144us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_BossierCityLAMember
     
Fire Mountain Buffet [Member] | Hagerstown, MD [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_HagerstownMDMember
     
Land 244us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_HagerstownMDMember
     
Buildings, Fixtures and Improvements 1,306us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_HagerstownMDMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_HagerstownMDMember
     
Gross Amount Carried at December 31, 2014 1,550us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_HagerstownMDMember
     
Accumulated Depreciation 76us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_HagerstownMDMember
     
Fire Mountain Buffet [Member] | West Plains, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestPlainsMOMember
     
Land 249us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestPlainsMOMember
     
Buildings, Fixtures and Improvements 1,313us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestPlainsMOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestPlainsMOMember
     
Gross Amount Carried at December 31, 2014 1,562us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestPlainsMOMember
     
Accumulated Depreciation 77us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_WestPlainsMOMember
     
Fire Mountain Buffet [Member] | Horn Lake, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_HornLakeMSMember
     
Land 925us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_HornLakeMSMember
     
Buildings, Fixtures and Improvements 2,463us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_HornLakeMSMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_HornLakeMSMember
     
Gross Amount Carried at December 31, 2014 3,388us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_HornLakeMSMember
     
Accumulated Depreciation 134us-gaap_RealEstateAccumulatedDepreciation
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= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_HornLakeMSMember
     
Fire Mountain Buffet [Member] | Beaver Falls, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_BeaverFallsPAMember
     
Land 243us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_BeaverFallsPAMember
     
Buildings, Fixtures and Improvements 1,304us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_BeaverFallsPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_BeaverFallsPAMember
     
Gross Amount Carried at December 31, 2014 1,547us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_BeaverFallsPAMember
     
Accumulated Depreciation 76us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_BeaverFallsPAMember
     
Fire Mountain Buffet [Member] | Mechanicsburg, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_MechanicsburgPAMember
     
Land 253us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_MechanicsburgPAMember
     
Buildings, Fixtures and Improvements 1,319us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_MechanicsburgPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_MechanicsburgPAMember
     
Gross Amount Carried at December 31, 2014 1,572us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_MechanicsburgPAMember
     
Accumulated Depreciation 78us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_MechanicsburgPAMember
     
Fire Mountain Buffet [Member] | Summerville, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_SummervilleSCMember
     
Land 245us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_SummervilleSCMember
     
Buildings, Fixtures and Improvements 1,308us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_SummervilleSCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_SummervilleSCMember
     
Gross Amount Carried at December 31, 2014 1,553us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_SummervilleSCMember
     
Accumulated Depreciation 76us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_SummervilleSCMember
     
Fire Mountain Buffet [Member] | Charleston, WV [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_CharlestonWVMember
     
Land 243us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_CharlestonWVMember
     
Buildings, Fixtures and Improvements 1,305us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_CharlestonWVMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_CharlestonWVMember
     
Gross Amount Carried at December 31, 2014 1,548us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_CharlestonWVMember
     
Accumulated Depreciation 76us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FireMountainBuffetMember
/ us-gaap_StatementGeographicalAxis
= arcp_CharlestonWVMember
     
First Bank [Member] | Pinellas Park, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FirstBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PinellasParkFLMember
     
Land 630us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FirstBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PinellasParkFLMember
     
Buildings, Fixtures and Improvements 1,470us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FirstBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PinellasParkFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FirstBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PinellasParkFLMember
     
Gross Amount Carried at December 31, 2014 2,100us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FirstBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PinellasParkFLMember
     
Accumulated Depreciation 95us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FirstBankMember
/ us-gaap_StatementGeographicalAxis
= arcp_PinellasParkFLMember
     
Fleming's Steakhouse [Member] | Englewood, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FlemingsSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_EnglewoodCOMember
     
Land 1,152us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FlemingsSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_EnglewoodCOMember
     
Buildings, Fixtures and Improvements 3,055us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FlemingsSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_EnglewoodCOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FlemingsSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_EnglewoodCOMember
     
Gross Amount Carried at December 31, 2014 4,207us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FlemingsSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_EnglewoodCOMember
     
Accumulated Depreciation 162us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FlemingsSteakhouseMember
/ us-gaap_StatementGeographicalAxis
= arcp_EnglewoodCOMember
     
Flint Energy Technologies [Member] | Rhome, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FlintEnergyTechnologiesMember
/ us-gaap_StatementGeographicalAxis
= arcp_RhomeTXMember
     
Land 284us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FlintEnergyTechnologiesMember
/ us-gaap_StatementGeographicalAxis
= arcp_RhomeTXMember
     
Buildings, Fixtures and Improvements 1,752us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FlintEnergyTechnologiesMember
/ us-gaap_StatementGeographicalAxis
= arcp_RhomeTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FlintEnergyTechnologiesMember
/ us-gaap_StatementGeographicalAxis
= arcp_RhomeTXMember
     
Gross Amount Carried at December 31, 2014 2,036us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FlintEnergyTechnologiesMember
/ us-gaap_StatementGeographicalAxis
= arcp_RhomeTXMember
     
Accumulated Depreciation 30us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FlintEnergyTechnologiesMember
/ us-gaap_StatementGeographicalAxis
= arcp_RhomeTXMember
     
Flip It Bakery & Deli [Member] | Washington, DC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FlipItBakeryDeliMember
/ us-gaap_StatementGeographicalAxis
= stpr_DC
     
Land 338us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FlipItBakeryDeliMember
/ us-gaap_StatementGeographicalAxis
= stpr_DC
     
Buildings, Fixtures and Improvements 84us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FlipItBakeryDeliMember
/ us-gaap_StatementGeographicalAxis
= stpr_DC
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FlipItBakeryDeliMember
/ us-gaap_StatementGeographicalAxis
= stpr_DC
     
Gross Amount Carried at December 31, 2014 422us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FlipItBakeryDeliMember
/ us-gaap_StatementGeographicalAxis
= stpr_DC
     
Accumulated Depreciation 6us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FlipItBakeryDeliMember
/ us-gaap_StatementGeographicalAxis
= stpr_DC
     
FMC Corp. [Member] | Mechanicsville, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 3,991us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FMCCorp.Member
/ us-gaap_StatementGeographicalAxis
= arcp_MechanicsvillePAMember
     
Land 2,108us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FMCCorp.Member
/ us-gaap_StatementGeographicalAxis
= arcp_MechanicsvillePAMember
     
Buildings, Fixtures and Improvements 3,315us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FMCCorp.Member
/ us-gaap_StatementGeographicalAxis
= arcp_MechanicsvillePAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FMCCorp.Member
/ us-gaap_StatementGeographicalAxis
= arcp_MechanicsvillePAMember
     
Gross Amount Carried at December 31, 2014 5,423us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FMCCorp.Member
/ us-gaap_StatementGeographicalAxis
= arcp_MechanicsvillePAMember
     
Accumulated Depreciation 227us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FMCCorp.Member
/ us-gaap_StatementGeographicalAxis
= arcp_MechanicsvillePAMember
     
Folsom Gateway II [Member] | Folsom, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 21,600us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FolsomGatewayIIMember
/ us-gaap_StatementGeographicalAxis
= arcp_FolsomCAMember
     
Land 10,314us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FolsomGatewayIIMember
/ us-gaap_StatementGeographicalAxis
= arcp_FolsomCAMember
     
Buildings, Fixtures and Improvements 27,983us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FolsomGatewayIIMember
/ us-gaap_StatementGeographicalAxis
= arcp_FolsomCAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FolsomGatewayIIMember
/ us-gaap_StatementGeographicalAxis
= arcp_FolsomCAMember
     
Gross Amount Carried at December 31, 2014 38,297us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FolsomGatewayIIMember
/ us-gaap_StatementGeographicalAxis
= arcp_FolsomCAMember
     
Accumulated Depreciation 1,236us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FolsomGatewayIIMember
/ us-gaap_StatementGeographicalAxis
= arcp_FolsomCAMember
     
Food Lion [Member] | Moyock, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FoodLionMember
/ us-gaap_StatementGeographicalAxis
= arcp_MoyockNCMember
     
Land 1,269us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FoodLionMember
/ us-gaap_StatementGeographicalAxis
= arcp_MoyockNCMember
     
Buildings, Fixtures and Improvements 2,950us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FoodLionMember
/ us-gaap_StatementGeographicalAxis
= arcp_MoyockNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FoodLionMember
/ us-gaap_StatementGeographicalAxis
= arcp_MoyockNCMember
     
Gross Amount Carried at December 31, 2014 4,219us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FoodLionMember
/ us-gaap_StatementGeographicalAxis
= arcp_MoyockNCMember
     
Accumulated Depreciation 156us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FoodLionMember
/ us-gaap_StatementGeographicalAxis
= arcp_MoyockNCMember
     
Forum Energy Technology [Member] | Guthrie, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ForumEnergyTechnologyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GuthrieOKMember
     
Land 393us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ForumEnergyTechnologyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GuthrieOKMember
     
Buildings, Fixtures and Improvements 1,305us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ForumEnergyTechnologyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GuthrieOKMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ForumEnergyTechnologyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GuthrieOKMember
     
Gross Amount Carried at December 31, 2014 1,698us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ForumEnergyTechnologyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GuthrieOKMember
     
Accumulated Depreciation 34us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ForumEnergyTechnologyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GuthrieOKMember
     
Forum Energy Technology [Member] | Gainesville, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ForumEnergyTechnologyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GainesvilleTXMember
     
Land 123us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ForumEnergyTechnologyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GainesvilleTXMember
     
Buildings, Fixtures and Improvements 6,019us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ForumEnergyTechnologyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GainesvilleTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ForumEnergyTechnologyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GainesvilleTXMember
     
Gross Amount Carried at December 31, 2014 6,142us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ForumEnergyTechnologyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GainesvilleTXMember
     
Accumulated Depreciation 149us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ForumEnergyTechnologyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GainesvilleTXMember
     
Forum Energy Technology [Member] | Gainesville, TX 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ForumEnergyTechnologyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GainesvilleTX2Member
     
Land 158us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ForumEnergyTechnologyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GainesvilleTX2Member
     
Buildings, Fixtures and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ForumEnergyTechnologyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GainesvilleTX2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ForumEnergyTechnologyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GainesvilleTX2Member
     
Gross Amount Carried at December 31, 2014 158us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ForumEnergyTechnologyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GainesvilleTX2Member
     
Accumulated Depreciation 1us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_ForumEnergyTechnologyMember
/ us-gaap_StatementGeographicalAxis
= arcp_GainesvilleTX2Member
     
Fresenius Medical Care [Member] | Bossier City, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_BossierCityLAMember
     
Land 120us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_BossierCityLAMember
     
Buildings, Fixtures and Improvements 682us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_BossierCityLAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_BossierCityLAMember
     
Gross Amount Carried at December 31, 2014 802us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_BossierCityLAMember
     
Accumulated Depreciation 63us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_BossierCityLAMember
     
Fresenius Medical Care [Member] | Fairhope, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairhopeALMember
     
Land 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairhopeALMember
     
Buildings, Fixtures and Improvements 2,035us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairhopeALMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairhopeALMember
     
Gross Amount Carried at December 31, 2014 2,035us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairhopeALMember
     
Accumulated Depreciation 139us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairhopeALMember
     
Fresenius Medical Care [Member] | Foley, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FoleyALMember
     
Land 287us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FoleyALMember
     
Buildings, Fixtures and Improvements 2,580us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FoleyALMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FoleyALMember
     
Gross Amount Carried at December 31, 2014 2,867us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FoleyALMember
     
Accumulated Depreciation 177us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FoleyALMember
     
Fresenius Medical Care [Member] | Mobile, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_MobileALMember
     
Land 278us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_MobileALMember
     
Buildings, Fixtures and Improvements 2,505us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_MobileALMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_MobileALMember
     
Gross Amount Carried at December 31, 2014 2,783us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_MobileALMember
     
Accumulated Depreciation 172us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_MobileALMember
     
Fresenius Medical Care [Member] | Defuniak Springs, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_DefuniakSpringsFLMember
     
Land 115us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_DefuniakSpringsFLMember
     
Buildings, Fixtures and Improvements 2,180us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_DefuniakSpringsFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_DefuniakSpringsFLMember
     
Gross Amount Carried at December 31, 2014 2,295us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_DefuniakSpringsFLMember
     
Accumulated Depreciation 149us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_DefuniakSpringsFLMember
     
Fresenius Medical Care [Member] | Aurora, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,294us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuroraILMember
     
Land 287us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuroraILMember
     
Buildings, Fixtures and Improvements 2,584us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuroraILMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuroraILMember
     
Gross Amount Carried at December 31, 2014 2,871us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuroraILMember
     
Accumulated Depreciation 299us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuroraILMember
     
Fresenius Medical Care [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_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoILMember
     
Land 588us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoILMember
     
Buildings, Fixtures and Improvements 1,764us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoILMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoILMember
     
Gross Amount Carried at December 31, 2014 2,352us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoILMember
     
Accumulated Depreciation 204us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_ChicagoILMember
     
Fresenius Medical Care [Member] | Waukegan, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_WaukeganILMember
     
Land 94us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_WaukeganILMember
     
Buildings, Fixtures and Improvements 1,792us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_WaukeganILMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_WaukeganILMember
     
Gross Amount Carried at December 31, 2014 1,886us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_WaukeganILMember
     
Accumulated Depreciation 207us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_WaukeganILMember
     
Fresenius Medical Care [Member] | Peru, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_PeruINMember
     
Land 69us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_PeruINMember
     
Buildings, Fixtures and Improvements 1,305us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_PeruINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_PeruINMember
     
Gross Amount Carried at December 31, 2014 1,374us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_PeruINMember
     
Accumulated Depreciation 156us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_PeruINMember
     
Fresenius Medical Care [Member] | Caro, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_CaroMIMember
     
Land 92us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_CaroMIMember
     
Buildings, Fixtures and Improvements 1,744us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_CaroMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_CaroMIMember
     
Gross Amount Carried at December 31, 2014 1,836us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_CaroMIMember
     
Accumulated Depreciation 208us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_CaroMIMember
     
Fresenius Medical Care [Member] | Jackson, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 1,948us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonMIMember
     
Land 137us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonMIMember
     
Buildings, Fixtures and Improvements 2,603us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonMIMember
     
Gross Amount Carried at December 31, 2014 2,740us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonMIMember
     
Accumulated Depreciation 311us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonMIMember
     
Fresenius Medical Care [Member] | Albemarle, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbemarleNCMember
     
Land 139us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbemarleNCMember
     
Buildings, Fixtures and Improvements 1,253us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbemarleNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbemarleNCMember
     
Gross Amount Carried at December 31, 2014 1,392us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbemarleNCMember
     
Accumulated Depreciation 101us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbemarleNCMember
     
Fresenius Medical Care [Member] | Angiers, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AngiersNCMember
     
Land 203us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AngiersNCMember
     
Buildings, Fixtures and Improvements 1,152us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AngiersNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AngiersNCMember
     
Gross Amount Carried at December 31, 2014 1,355us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AngiersNCMember
     
Accumulated Depreciation 93us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AngiersNCMember
     
Fresenius Medical Care [Member] | Asheboro, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,373us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AsheboroNCMember
     
Land 323us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AsheboroNCMember
     
Buildings, Fixtures and Improvements 2,903us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AsheboroNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AsheboroNCMember
     
Gross Amount Carried at December 31, 2014 3,226us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AsheboroNCMember
     
Accumulated Depreciation 233us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_AsheboroNCMember
     
Fresenius Medical Care [Member] | Clinton, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClintonNCMember
     
Land 139us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClintonNCMember
     
Buildings, Fixtures and Improvements 2,655us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClintonNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClintonNCMember
     
Gross Amount Carried at December 31, 2014 2,794us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClintonNCMember
     
Accumulated Depreciation 192us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClintonNCMember
     
Fresenius Medical Care [Member] | Fairmont, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairmontNCMember
     
Land 201us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairmontNCMember
     
Buildings, Fixtures and Improvements 1,819us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairmontNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairmontNCMember
     
Gross Amount Carried at December 31, 2014 2,020us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairmontNCMember
     
Accumulated Depreciation 131us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairmontNCMember
     
Fresenius Medical Care [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_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNCMember
     
Land 420us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNCMember
     
Buildings, Fixtures and Improvements 2,379us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNCMember
     
Gross Amount Carried at December 31, 2014 2,799us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNCMember
     
Accumulated Depreciation 172us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNCMember
     
Fresenius Medical Care [Member] | Fayetteville, NC 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNC2Member
     
Land 134us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNC2Member
     
Buildings, Fixtures and Improvements 2,551us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNC2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNC2Member
     
Gross Amount Carried at December 31, 2014 2,685us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNC2Member
     
Accumulated Depreciation 185us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNC2Member
     
Fresenius Medical Care [Member] | Fayetteville, NC 3 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNC3Member
     
Land 178us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNC3Member
     
Buildings, Fixtures and Improvements 3,379us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNC3Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNC3Member
     
Gross Amount Carried at December 31, 2014 3,557us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNC3Member
     
Accumulated Depreciation 245us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_FayettevilleNC3Member
     
Fresenius Medical Care [Member] | Lumberton, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_LumbertonNCMember
     
Land 117us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_LumbertonNCMember
     
Buildings, Fixtures and Improvements 2,216us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_LumbertonNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_LumbertonNCMember
     
Gross Amount Carried at December 31, 2014 2,333us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_LumbertonNCMember
     
Accumulated Depreciation 161us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_LumbertonNCMember
     
Fresenius Medical Care [Member] | Pembroke, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_PembrokeNCMember
     
Land 81us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_PembrokeNCMember
     
Buildings, Fixtures and Improvements 1,547us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_PembrokeNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_PembrokeNCMember
     
Gross Amount Carried at December 31, 2014 1,628us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_PembrokeNCMember
     
Accumulated Depreciation 112us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_PembrokeNCMember
     
Fresenius Medical Care [Member] | Red Springs, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_RedSpringsNCMember
     
Land 101us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_RedSpringsNCMember
     
Buildings, Fixtures and Improvements 1,913us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_RedSpringsNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_RedSpringsNCMember
     
Gross Amount Carried at December 31, 2014 2,014us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_RedSpringsNCMember
     
Accumulated Depreciation 139us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_RedSpringsNCMember
     
Fresenius Medical Care [Member] | Roseboro, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoseboroNCMember
     
Land 74us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoseboroNCMember
     
Buildings, Fixtures and Improvements 1,404us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoseboroNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoseboroNCMember
     
Gross Amount Carried at December 31, 2014 1,478us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoseboroNCMember
     
Accumulated Depreciation 102us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoseboroNCMember
     
Fresenius Medical Care [Member] | St. Pauls, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.PaulsNCMember
     
Land 73us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.PaulsNCMember
     
Buildings, Fixtures and Improvements 1,389us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.PaulsNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.PaulsNCMember
     
Gross Amount Carried at December 31, 2014 1,462us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.PaulsNCMember
     
Accumulated Depreciation 101us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_St.PaulsNCMember
     
Fresenius Medical Care [Member] | Taylorsville, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_TaylorsvilleNCMember
     
Land 275us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_TaylorsvilleNCMember
     
Buildings, Fixtures and Improvements 1,099us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_TaylorsvilleNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_TaylorsvilleNCMember
     
Gross Amount Carried at December 31, 2014 1,374us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_TaylorsvilleNCMember
     
Accumulated Depreciation 88us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_TaylorsvilleNCMember
     
Fresenius Medical Care [Member] | Warsaw, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarsawNCMember
     
Land 75us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarsawNCMember
     
Buildings, Fixtures and Improvements 1,428us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarsawNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarsawNCMember
     
Gross Amount Carried at December 31, 2014 1,503us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarsawNCMember
     
Accumulated Depreciation 143us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarsawNCMember
     
Fresenius Medical Care [Member] | Kings Mills, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingsMillsOHMember
     
Land 399us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingsMillsOHMember
     
Buildings, Fixtures and Improvements 598us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingsMillsOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingsMillsOHMember
     
Gross Amount Carried at December 31, 2014 997us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingsMillsOHMember
     
Accumulated Depreciation 72us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_KingsMillsOHMember
     
Fresenius Medical Care [Member] | Dallas, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_DallasTXMember
     
Land 377us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_DallasTXMember
     
Buildings, Fixtures and Improvements 1,132us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_DallasTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_DallasTXMember
     
Gross Amount Carried at December 31, 2014 1,509us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_DallasTXMember
     
Accumulated Depreciation 100us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FreseniusMedicalCareMember
/ us-gaap_StatementGeographicalAxis
= arcp_DallasTXMember
     
Front Range Community College [Member] | Longmont, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FrontRangeCommunityCollegeMember
/ us-gaap_StatementGeographicalAxis
= arcp_LongmontCOMember
     
Land 407us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FrontRangeCommunityCollegeMember
/ us-gaap_StatementGeographicalAxis
= arcp_LongmontCOMember
     
Buildings, Fixtures and Improvements 2,428us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FrontRangeCommunityCollegeMember
/ us-gaap_StatementGeographicalAxis
= arcp_LongmontCOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FrontRangeCommunityCollegeMember
/ us-gaap_StatementGeographicalAxis
= arcp_LongmontCOMember
     
Gross Amount Carried at December 31, 2014 2,835us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FrontRangeCommunityCollegeMember
/ us-gaap_StatementGeographicalAxis
= arcp_LongmontCOMember
     
Accumulated Depreciation 145us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FrontRangeCommunityCollegeMember
/ us-gaap_StatementGeographicalAxis
= arcp_LongmontCOMember
     
Front Range Community College [Member] | Longmont, CO 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FrontRangeCommunityCollegeMember
/ us-gaap_StatementGeographicalAxis
= arcp_LongmontCO2Member
     
Land 1,150us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FrontRangeCommunityCollegeMember
/ us-gaap_StatementGeographicalAxis
= arcp_LongmontCO2Member
     
Buildings, Fixtures and Improvements 9,067us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FrontRangeCommunityCollegeMember
/ us-gaap_StatementGeographicalAxis
= arcp_LongmontCO2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FrontRangeCommunityCollegeMember
/ us-gaap_StatementGeographicalAxis
= arcp_LongmontCO2Member
     
Gross Amount Carried at December 31, 2014 10,217us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FrontRangeCommunityCollegeMember
/ us-gaap_StatementGeographicalAxis
= arcp_LongmontCO2Member
     
Accumulated Depreciation 539us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FrontRangeCommunityCollegeMember
/ us-gaap_StatementGeographicalAxis
= arcp_LongmontCO2Member
     
Furr's [Member] | Garland, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FurrsMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarlandTXMember
     
Land 1,529us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FurrsMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarlandTXMember
     
Buildings, Fixtures and Improvements 3,715us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FurrsMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarlandTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FurrsMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarlandTXMember
     
Gross Amount Carried at December 31, 2014 5,244us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FurrsMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarlandTXMember
     
Accumulated Depreciation 328us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_FurrsMember
/ us-gaap_StatementGeographicalAxis
= arcp_GarlandTXMember
     
Gainesville Fuel [Member] | Cleburne, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GainesvilleFuelMember
/ us-gaap_StatementGeographicalAxis
= arcp_CleburneTXMember
     
Land 70us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GainesvilleFuelMember
/ us-gaap_StatementGeographicalAxis
= arcp_CleburneTXMember
     
Buildings, Fixtures and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GainesvilleFuelMember
/ us-gaap_StatementGeographicalAxis
= arcp_CleburneTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GainesvilleFuelMember
/ us-gaap_StatementGeographicalAxis
= arcp_CleburneTXMember
     
Gross Amount Carried at December 31, 2014 70us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GainesvilleFuelMember
/ us-gaap_StatementGeographicalAxis
= arcp_CleburneTXMember
     
Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GainesvilleFuelMember
/ us-gaap_StatementGeographicalAxis
= arcp_CleburneTXMember
     
Gander Mountain [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GanderMountainMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Land 2,640us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GanderMountainMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Buildings, Fixtures and Improvements 10,559us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GanderMountainMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GanderMountainMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Gross Amount Carried at December 31, 2014 13,199us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GanderMountainMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Accumulated Depreciation 359us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GanderMountainMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Garden Ridge [Member] | Stockbridge, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GardenRidgeMember
/ us-gaap_StatementGeographicalAxis
= arcp_StockbridgeGAMember
     
Land 2,057us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GardenRidgeMember
/ us-gaap_StatementGeographicalAxis
= arcp_StockbridgeGAMember
     
Buildings, Fixtures and Improvements 8,967us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GardenRidgeMember
/ us-gaap_StatementGeographicalAxis
= arcp_StockbridgeGAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GardenRidgeMember
/ us-gaap_StatementGeographicalAxis
= arcp_StockbridgeGAMember
     
Gross Amount Carried at December 31, 2014 11,024us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GardenRidgeMember
/ us-gaap_StatementGeographicalAxis
= arcp_StockbridgeGAMember
     
Accumulated Depreciation 429us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GardenRidgeMember
/ us-gaap_StatementGeographicalAxis
= arcp_StockbridgeGAMember
     
GE Aviation [Member] | Auburn, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 24,133us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GEAviationMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuburnALMember
     
Land 1,627us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GEAviationMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuburnALMember
     
Buildings, Fixtures and Improvements 30,920us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GEAviationMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuburnALMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GEAviationMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuburnALMember
     
Gross Amount Carried at December 31, 2014 32,547us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GEAviationMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuburnALMember
     
Accumulated Depreciation 3,466us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GEAviationMember
/ us-gaap_StatementGeographicalAxis
= arcp_AuburnALMember
     
GE Engine [Member] | Winfield, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GEEngineMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinfieldKSMember
     
Land 1,078us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GEEngineMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinfieldKSMember
     
Buildings, Fixtures and Improvements 5,087us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GEEngineMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinfieldKSMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GEEngineMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinfieldKSMember
     
Gross Amount Carried at December 31, 2014 6,165us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GEEngineMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinfieldKSMember
     
Accumulated Depreciation 553us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GEEngineMember
/ us-gaap_StatementGeographicalAxis
= arcp_WinfieldKSMember
     
General Electric [Member] | Longmont, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralElectricMember
/ us-gaap_StatementGeographicalAxis
= arcp_LongmontCOMember
     
Land 1,402us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralElectricMember
/ us-gaap_StatementGeographicalAxis
= arcp_LongmontCOMember
     
Buildings, Fixtures and Improvements 15,640us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralElectricMember
/ us-gaap_StatementGeographicalAxis
= arcp_LongmontCOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralElectricMember
/ us-gaap_StatementGeographicalAxis
= arcp_LongmontCOMember
     
Gross Amount Carried at December 31, 2014 17,042us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralElectricMember
/ us-gaap_StatementGeographicalAxis
= arcp_LongmontCOMember
     
Accumulated Depreciation 957us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralElectricMember
/ us-gaap_StatementGeographicalAxis
= arcp_LongmontCOMember
     
General Mills [Member] | Geneva, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 16,555us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralMillsMember
/ us-gaap_StatementGeographicalAxis
= arcp_GenevaILMember
     
Land 7,457us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralMillsMember
/ us-gaap_StatementGeographicalAxis
= arcp_GenevaILMember
     
Buildings, Fixtures and Improvements 22,371us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralMillsMember
/ us-gaap_StatementGeographicalAxis
= arcp_GenevaILMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralMillsMember
/ us-gaap_StatementGeographicalAxis
= arcp_GenevaILMember
     
Gross Amount Carried at December 31, 2014 29,828us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralMillsMember
/ us-gaap_StatementGeographicalAxis
= arcp_GenevaILMember
     
Accumulated Depreciation 3,582us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralMillsMember
/ us-gaap_StatementGeographicalAxis
= arcp_GenevaILMember
     
General Mills [Member] | Fort Wayne, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralMillsMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWayneINMember
     
Land 2,533us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralMillsMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWayneINMember
     
Buildings, Fixtures and Improvements 48,130us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralMillsMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWayneINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralMillsMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWayneINMember
     
Gross Amount Carried at December 31, 2014 50,663us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralMillsMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWayneINMember
     
Accumulated Depreciation 6,484us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralMillsMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWayneINMember
     
General Service Administration [Member] | Mobile, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_MobileALMember
     
Land 268us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_MobileALMember
     
Buildings, Fixtures and Improvements 5,095us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_MobileALMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_MobileALMember
     
Gross Amount Carried at December 31, 2014 5,363us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_MobileALMember
     
Accumulated Depreciation 712us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_MobileALMember
     
General Service Administration [Member] | Birmingham, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_BirminghamALMember
     
Land 1,400us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_BirminghamALMember
     
Buildings, Fixtures and Improvements 8,830us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_BirminghamALMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_BirminghamALMember
     
Gross Amount Carried at December 31, 2014 10,230us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_BirminghamALMember
     
Accumulated Depreciation 568us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_BirminghamALMember
     
General Service Administration [Member] | North Birmingham, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthBirminghamALMember
     
Land 2,982us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthBirminghamALMember
     
Buildings, Fixtures and Improvements 19,982us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthBirminghamALMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthBirminghamALMember
     
Gross Amount Carried at December 31, 2014 22,964us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthBirminghamALMember
     
Accumulated Depreciation 1,306us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthBirminghamALMember
     
General Service Administration [Member] | Springerville, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringervilleAZMember
     
Land 148us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringervilleAZMember
     
Buildings, Fixtures and Improvements 2,810us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringervilleAZMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringervilleAZMember
     
Gross Amount Carried at December 31, 2014 2,958us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringervilleAZMember
     
Accumulated Depreciation 380us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringervilleAZMember
     
General Service Administration [Member] | Craig, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 583us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_CraigCOMember
     
Land 129us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_CraigCOMember
     
Buildings, Fixtures and Improvements 1,159us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_CraigCOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_CraigCOMember
     
Gross Amount Carried at December 31, 2014 1,288us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_CraigCOMember
     
Accumulated Depreciation 194us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_CraigCOMember
     
General Service Administration [Member] | Cocoa, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 500us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_CocoaFLMember
     
Land 253us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_CocoaFLMember
     
Buildings, Fixtures and Improvements 1,435us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_CocoaFLMember
     
Costs Capitalized Subsequent to Acquisition 17us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_CocoaFLMember
     
Gross Amount Carried at December 31, 2014 1,705us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_CocoaFLMember
     
Accumulated Depreciation 240us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_CocoaFLMember
     
General Service Administration [Member] | Stuart, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_StuartFLMember
     
Land 900us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_StuartFLMember
     
Buildings, Fixtures and Improvements 3,600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_StuartFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_StuartFLMember
     
Gross Amount Carried at December 31, 2014 4,500us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_StuartFLMember
     
Accumulated Depreciation 553us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_StuartFLMember
     
General Service Administration [Member] | Grangeville, ID [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 2,100us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_GrangevilleIDMember
     
Land 317us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_GrangevilleIDMember
     
Buildings, Fixtures and Improvements 6,023us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_GrangevilleIDMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_GrangevilleIDMember
     
Gross Amount Carried at December 31, 2014 6,340us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_GrangevilleIDMember
     
Accumulated Depreciation 925us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_GrangevilleIDMember
     
General Service Administration [Member] | Kansas City, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 15,464us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_KansasCityKSMember
     
Land 4,264us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_KansasCityKSMember
     
Buildings, Fixtures and Improvements 29,678us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_KansasCityKSMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_KansasCityKSMember
     
Gross Amount Carried at December 31, 2014 33,942us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_KansasCityKSMember
     
Accumulated Depreciation 1,863us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_KansasCityKSMember
     
General Service Administration [Member] | Springfield, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringfieldMOMember
     
Land 131us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringfieldMOMember
     
Buildings, Fixtures and Improvements 2,489us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringfieldMOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringfieldMOMember
     
Gross Amount Carried at December 31, 2014 2,620us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringfieldMOMember
     
Accumulated Depreciation 359us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringfieldMOMember
     
General Service Administration [Member] | Albany, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 10,137us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbanyNYMember
     
Land 2,470us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbanyNYMember
     
Buildings, Fixtures and Improvements 11,836us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbanyNYMember
     
Costs Capitalized Subsequent to Acquisition 19us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbanyNYMember
     
Gross Amount Carried at December 31, 2014 14,325us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbanyNYMember
     
Accumulated Depreciation 839us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbanyNYMember
     
General Service Administration [Member] | Freeport, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_FreeportNYMember
     
Land 843us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_FreeportNYMember
     
Buildings, Fixtures and Improvements 3,372us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_FreeportNYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_FreeportNYMember
     
Gross Amount Carried at December 31, 2014 4,215us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_FreeportNYMember
     
Accumulated Depreciation 549us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_FreeportNYMember
     
General Service Administration [Member] | Plattsburgh, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlattsburghNYMember
     
Land 508us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlattsburghNYMember
     
Buildings, Fixtures and Improvements 4,572us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlattsburghNYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlattsburghNYMember
     
Gross Amount Carried at December 31, 2014 5,080us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlattsburghNYMember
     
Accumulated Depreciation 639us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_PlattsburghNYMember
     
General Service Administration [Member] | Warren, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenPAMember
     
Land 341us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenPAMember
     
Buildings, Fixtures and Improvements 3,114us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenPAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenPAMember
     
Gross Amount Carried at December 31, 2014 3,455us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenPAMember
     
Accumulated Depreciation 437us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_WarrenPAMember
     
General Service Administration [Member] | Ponce, PR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_PoncePRMember
     
Land 1,780us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_PoncePRMember
     
Buildings, Fixtures and Improvements 9,313us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_PoncePRMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_PoncePRMember
     
Gross Amount Carried at December 31, 2014 11,093us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_PoncePRMember
     
Accumulated Depreciation 862us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_PoncePRMember
     
General Service Administration [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_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTXMember
     
Land 1,570us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTXMember
     
Buildings, Fixtures and Improvements 3,057us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTXMember
     
Gross Amount Carried at December 31, 2014 4,627us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTXMember
     
Accumulated Depreciation 253us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_AustinTXMember
     
General Service Administration [Member] | Fort Worth, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWorthTXMember
     
Land 477us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWorthTXMember
     
Buildings, Fixtures and Improvements 4,294us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWorthTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWorthTXMember
     
Gross Amount Carried at December 31, 2014 4,771us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWorthTXMember
     
Accumulated Depreciation 619us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWorthTXMember
     
General Service Administration [Member] | Gloucester, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_GloucesterVAMember
     
Land 287us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_GloucesterVAMember
     
Buildings, Fixtures and Improvements 1,628us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_GloucesterVAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_GloucesterVAMember
     
Gross Amount Carried at December 31, 2014 1,915us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_GloucesterVAMember
     
Accumulated Depreciation 228us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GeneralServiceAdministrationMember
/ us-gaap_StatementGeographicalAxis
= arcp_GloucesterVAMember
     
Genlyte Thomas Group, LLC. [Member] | Franklin Park, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 4,561us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GenlyteThomasGroupLLC.Member
/ us-gaap_StatementGeographicalAxis
= arcp_FranklinParkILMember
     
Land 958us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GenlyteThomasGroupLLC.Member
/ us-gaap_StatementGeographicalAxis
= arcp_FranklinParkILMember
     
Buildings, Fixtures and Improvements 3,176us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GenlyteThomasGroupLLC.Member
/ us-gaap_StatementGeographicalAxis
= arcp_FranklinParkILMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GenlyteThomasGroupLLC.Member
/ us-gaap_StatementGeographicalAxis
= arcp_FranklinParkILMember
     
Gross Amount Carried at December 31, 2014 4,134us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GenlyteThomasGroupLLC.Member
/ us-gaap_StatementGeographicalAxis
= arcp_FranklinParkILMember
     
Accumulated Depreciation 77us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GenlyteThomasGroupLLC.Member
/ us-gaap_StatementGeographicalAxis
= arcp_FranklinParkILMember
     
Giant Eagle [Member] | Gahanna, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GiantEagleMember
/ us-gaap_StatementGeographicalAxis
= arcp_GahannaOHMember
     
Land 3,549us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GiantEagleMember
/ us-gaap_StatementGeographicalAxis
= arcp_GahannaOHMember
     
Buildings, Fixtures and Improvements 16,736us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GiantEagleMember
/ us-gaap_StatementGeographicalAxis
= arcp_GahannaOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GiantEagleMember
/ us-gaap_StatementGeographicalAxis
= arcp_GahannaOHMember
     
Gross Amount Carried at December 31, 2014 20,285us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GiantEagleMember
/ us-gaap_StatementGeographicalAxis
= arcp_GahannaOHMember
     
Accumulated Depreciation 691us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GiantEagleMember
/ us-gaap_StatementGeographicalAxis
= arcp_GahannaOHMember
     
Giant Eagle [Member] | Lancaster, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GiantEagleMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterOHMember
     
Land 2,210us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GiantEagleMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterOHMember
     
Buildings, Fixtures and Improvements 15,649us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GiantEagleMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GiantEagleMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterOHMember
     
Gross Amount Carried at December 31, 2014 17,859us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GiantEagleMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterOHMember
     
Accumulated Depreciation 628us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GiantEagleMember
/ us-gaap_StatementGeographicalAxis
= arcp_LancasterOHMember
     
Glen's Market [Member] | Manistee, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlensMarketMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManisteeMIMember
     
Land 294us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlensMarketMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManisteeMIMember
     
Buildings, Fixtures and Improvements 6,694us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlensMarketMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManisteeMIMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlensMarketMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManisteeMIMember
     
Gross Amount Carried at December 31, 2014 6,988us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlensMarketMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManisteeMIMember
     
Accumulated Depreciation 307us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlensMarketMember
/ us-gaap_StatementGeographicalAxis
= arcp_ManisteeMIMember
     
Globe Energy Services [Member] | Hobbs, NM [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_HobbsNMMember
     
Land 358us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_HobbsNMMember
     
Buildings, Fixtures and Improvements 1,129us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_HobbsNMMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_HobbsNMMember
     
Gross Amount Carried at December 31, 2014 1,487us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_HobbsNMMember
     
Accumulated Depreciation 33us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_HobbsNMMember
     
Globe Energy Services [Member] | Big Springs, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_BigSpringsTXMember
     
Land 426us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_BigSpringsTXMember
     
Buildings, Fixtures and Improvements 599us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_BigSpringsTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_BigSpringsTXMember
     
Gross Amount Carried at December 31, 2014 1,025us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_BigSpringsTXMember
     
Accumulated Depreciation 18us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_BigSpringsTXMember
     
Globe Energy Services [Member] | Levelland, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_LevellandTXMember
     
Land 42us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_LevellandTXMember
     
Buildings, Fixtures and Improvements 1,887us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_LevellandTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_LevellandTXMember
     
Gross Amount Carried at December 31, 2014 1,929us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_LevellandTXMember
     
Accumulated Depreciation 54us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_LevellandTXMember
     
Globe Energy Services [Member] | Midland, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidlandTXMember
     
Land 1,063us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidlandTXMember
     
Buildings, Fixtures and Improvements 528us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidlandTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidlandTXMember
     
Gross Amount Carried at December 31, 2014 1,591us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidlandTXMember
     
Accumulated Depreciation 16us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidlandTXMember
     
Globe Energy Services [Member] | Midland, TX 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidlandTX2Member
     
Land 1,013us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidlandTX2Member
     
Buildings, Fixtures and Improvements 968us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidlandTX2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidlandTX2Member
     
Gross Amount Carried at December 31, 2014 1,981us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidlandTX2Member
     
Accumulated Depreciation 25us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidlandTX2Member
     
Globe Energy Services [Member] | Monahans, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonahansTXMember
     
Land 50us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonahansTXMember
     
Buildings, Fixtures and Improvements 538us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonahansTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonahansTXMember
     
Gross Amount Carried at December 31, 2014 588us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonahansTXMember
     
Accumulated Depreciation 16us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonahansTXMember
     
Globe Energy Services [Member] | Odessa, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_OdessaTXMember
     
Land 104us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_OdessaTXMember
     
Buildings, Fixtures and Improvements 1,259us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_OdessaTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_OdessaTXMember
     
Gross Amount Carried at December 31, 2014 1,363us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_OdessaTXMember
     
Accumulated Depreciation 30us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_OdessaTXMember
     
Globe Energy Services [Member] | Odessa, TX 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_OdessaTX2Member
     
Land 500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_OdessaTX2Member
     
Buildings, Fixtures and Improvements 3,891us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_OdessaTX2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_OdessaTX2Member
     
Gross Amount Carried at December 31, 2014 4,391us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_OdessaTX2Member
     
Accumulated Depreciation 227us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_OdessaTX2Member
     
Globe Energy Services [Member] | San Angelo, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAngeloTXMember
     
Land 821us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAngeloTXMember
     
Buildings, Fixtures and Improvements 1,658us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAngeloTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAngeloTXMember
     
Gross Amount Carried at December 31, 2014 2,479us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAngeloTXMember
     
Accumulated Depreciation 43us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAngeloTXMember
     
Globe Energy Services [Member] | Snyder, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SnyderTXMember
     
Land 466us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SnyderTXMember
     
Buildings, Fixtures and Improvements 588us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SnyderTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SnyderTXMember
     
Gross Amount Carried at December 31, 2014 1,054us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SnyderTXMember
     
Accumulated Depreciation 18us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SnyderTXMember
     
Globe Energy Services [Member] | Snyder, TX 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SnyderTX2Member
     
Land 174us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SnyderTX2Member
     
Buildings, Fixtures and Improvements 1,189us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SnyderTX2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SnyderTX2Member
     
Gross Amount Carried at December 31, 2014 1,363us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SnyderTX2Member
     
Accumulated Depreciation 29us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GlobeEnergyServicesMember
/ us-gaap_StatementGeographicalAxis
= arcp_SnyderTX2Member
     
GM Financial [Member] | Arlington, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 24,943us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GMFinancialMember
/ us-gaap_StatementGeographicalAxis
= arcp_ArlingtonTXMember
     
Land 7,901us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GMFinancialMember
/ us-gaap_StatementGeographicalAxis
= arcp_ArlingtonTXMember
     
Buildings, Fixtures and Improvements 35,553us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GMFinancialMember
/ us-gaap_StatementGeographicalAxis
= arcp_ArlingtonTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GMFinancialMember
/ us-gaap_StatementGeographicalAxis
= arcp_ArlingtonTXMember
     
Gross Amount Carried at December 31, 2014 43,454us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GMFinancialMember
/ us-gaap_StatementGeographicalAxis
= arcp_ArlingtonTXMember
     
Accumulated Depreciation 2,217us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GMFinancialMember
/ us-gaap_StatementGeographicalAxis
= arcp_ArlingtonTXMember
     
GoFrac, LLC [Member] | Weatherford, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GoFracLLCMember
/ us-gaap_StatementGeographicalAxis
= arcp_WeatherfordTXMember
     
Land 102us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GoFracLLCMember
/ us-gaap_StatementGeographicalAxis
= arcp_WeatherfordTXMember
     
Buildings, Fixtures and Improvements 3,386us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GoFracLLCMember
/ us-gaap_StatementGeographicalAxis
= arcp_WeatherfordTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GoFracLLCMember
/ us-gaap_StatementGeographicalAxis
= arcp_WeatherfordTXMember
     
Gross Amount Carried at December 31, 2014 3,488us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GoFracLLCMember
/ us-gaap_StatementGeographicalAxis
= arcp_WeatherfordTXMember
     
Accumulated Depreciation 185us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GoFracLLCMember
/ us-gaap_StatementGeographicalAxis
= arcp_WeatherfordTXMember
     
Golder Corral [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Land 1,147us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Buildings, Fixtures and Improvements 2,447us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Gross Amount Carried at December 31, 2014 3,594us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Accumulated Depreciation 216us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HoustonTXMember
     
Golder Corral [Member] | Stockbridge, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_StockbridgeGAMember
     
Land 422us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_StockbridgeGAMember
     
Buildings, Fixtures and Improvements 2,391us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_StockbridgeGAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_StockbridgeGAMember
     
Gross Amount Carried at December 31, 2014 2,813us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_StockbridgeGAMember
     
Accumulated Depreciation 184us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_StockbridgeGAMember
     
Golder Corral [Member] | Fort Wayne, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWayneINMember
     
Land 820us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWayneINMember
     
Buildings, Fixtures and Improvements 1,935us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWayneINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWayneINMember
     
Gross Amount Carried at December 31, 2014 2,755us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWayneINMember
     
Accumulated Depreciation 162us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FortWayneINMember
     
Golder Corral [Member] | San Angelo, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAngeloTXMember
     
Land 644us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAngeloTXMember
     
Buildings, Fixtures and Improvements 1,702us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAngeloTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAngeloTXMember
     
Gross Amount Carried at December 31, 2014 2,346us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAngeloTXMember
     
Accumulated Depreciation 85us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAngeloTXMember
     
Golder Corral [Member] | Gilbert, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_GilbertAZMember
     
Land 871us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_GilbertAZMember
     
Buildings, Fixtures and Improvements 2,910us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_GilbertAZMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_GilbertAZMember
     
Gross Amount Carried at December 31, 2014 3,781us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_GilbertAZMember
     
Accumulated Depreciation 257us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_GilbertAZMember
     
Golder Corral [Member] | Goodyear, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_GoodyearAZMember
     
Land 686us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_GoodyearAZMember
     
Buildings, Fixtures and Improvements 1,939us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_GoodyearAZMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_GoodyearAZMember
     
Gross Amount Carried at December 31, 2014 2,625us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_GoodyearAZMember
     
Accumulated Depreciation 171us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_GoodyearAZMember
     
Golder Corral [Member] | Surprise, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SurpriseAZMember
     
Land 1,258us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SurpriseAZMember
     
Buildings, Fixtures and Improvements 4,068us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SurpriseAZMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SurpriseAZMember
     
Gross Amount Carried at December 31, 2014 5,326us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SurpriseAZMember
     
Accumulated Depreciation 360us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SurpriseAZMember
     
Golder Corral [Member] | Bakersfield, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BakersfieldCAMember
     
Land 2,664us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BakersfieldCAMember
     
Buildings, Fixtures and Improvements 2,078us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BakersfieldCAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BakersfieldCAMember
     
Gross Amount Carried at December 31, 2014 4,742us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BakersfieldCAMember
     
Accumulated Depreciation 120us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BakersfieldCAMember
     
Golder Corral [Member] | Jacksonville, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonvilleFLMember
     
Land 1,033us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonvilleFLMember
     
Buildings, Fixtures and Improvements 1,084us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonvilleFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonvilleFLMember
     
Gross Amount Carried at December 31, 2014 2,117us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonvilleFLMember
     
Accumulated Depreciation 96us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonvilleFLMember
     
Golder Corral [Member] | Jacksonville, FL 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonvilleFL2Member
     
Land 1,721us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonvilleFL2Member
     
Buildings, Fixtures and Improvements 2,629us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonvilleFL2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonvilleFL2Member
     
Gross Amount Carried at December 31, 2014 4,350us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonvilleFL2Member
     
Accumulated Depreciation 232us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_JacksonvilleFL2Member
     
Golder Corral [Member] | Palatka, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_PalatkaFLMember
     
Land 853us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_PalatkaFLMember
     
Buildings, Fixtures and Improvements 1,048us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_PalatkaFLMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_PalatkaFLMember
     
Gross Amount Carried at December 31, 2014 1,901us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_PalatkaFLMember
     
Accumulated Depreciation 93us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_PalatkaFLMember
     
Golder Corral [Member] | Albany, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbanyGAMember
     
Land 460us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbanyGAMember
     
Buildings, Fixtures and Improvements 1,863us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbanyGAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbanyGAMember
     
Gross Amount Carried at December 31, 2014 2,323us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbanyGAMember
     
Accumulated Depreciation 156us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_AlbanyGAMember
     
Golder Corral [Member] | Brunswick, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrunswickGAMember
     
Land 390us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrunswickGAMember
     
Buildings, Fixtures and Improvements 2,093us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrunswickGAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrunswickGAMember
     
Gross Amount Carried at December 31, 2014 2,483us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrunswickGAMember
     
Accumulated Depreciation 175us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrunswickGAMember
     
Golder Corral [Member] | Council Bluffs, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CouncilBluffsIAMember
     
Land 1,140us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CouncilBluffsIAMember
     
Buildings, Fixtures and Improvements 1,460us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CouncilBluffsIAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CouncilBluffsIAMember
     
Gross Amount Carried at December 31, 2014 2,600us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CouncilBluffsIAMember
     
Accumulated Depreciation 122us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CouncilBluffsIAMember
     
Golder Corral [Member] | Clarksville, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClarksvilleINMember
     
Land 1,061us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClarksvilleINMember
     
Buildings, Fixtures and Improvements 1,344us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClarksvilleINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClarksvilleINMember
     
Gross Amount Carried at December 31, 2014 2,405us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClarksvilleINMember
     
Accumulated Depreciation 90us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClarksvilleINMember
     
Golder Corral [Member] | Evansville, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_EvansvilleINMember
     
Land 670us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_EvansvilleINMember
     
Buildings, Fixtures and Improvements 2,707us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_EvansvilleINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_EvansvilleINMember
     
Gross Amount Carried at December 31, 2014 3,377us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_EvansvilleINMember
     
Accumulated Depreciation 226us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_EvansvilleINMember
     
Golder Corral [Member] | Evansville, IN 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_EvansvilleIN2Member
     
Land 640us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_EvansvilleIN2Member
     
Buildings, Fixtures and Improvements 944us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_EvansvilleIN2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_EvansvilleIN2Member
     
Gross Amount Carried at December 31, 2014 1,584us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_EvansvilleIN2Member
     
Accumulated Depreciation 79us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_EvansvilleIN2Member
     
Golder Corral [Member] | Kokomo, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_KokomoINMember
     
Land 780us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_KokomoINMember
     
Buildings, Fixtures and Improvements 2,107us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_KokomoINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_KokomoINMember
     
Gross Amount Carried at December 31, 2014 2,887us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_KokomoINMember
     
Accumulated Depreciation 176us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_KokomoINMember
     
Golder Corral [Member] | Richmond, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RichmondINMember
     
Land 728us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RichmondINMember
     
Buildings, Fixtures and Improvements 723us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RichmondINMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RichmondINMember
     
Gross Amount Carried at December 31, 2014 1,451us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RichmondINMember
     
Accumulated Depreciation 42us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RichmondINMember
     
Golder Corral [Member] | Emporia, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_EmporiaKSMember
     
Land 403us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_EmporiaKSMember
     
Buildings, Fixtures and Improvements 941us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_EmporiaKSMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_EmporiaKSMember
     
Gross Amount Carried at December 31, 2014 1,344us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_EmporiaKSMember
     
Accumulated Depreciation 72us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_EmporiaKSMember
     
Golder Corral [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_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_WichitaKSMember
     
Land 560us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_WichitaKSMember
     
Buildings, Fixtures and Improvements 1,306us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_WichitaKSMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_WichitaKSMember
     
Gross Amount Carried at December 31, 2014 1,866us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_WichitaKSMember
     
Accumulated Depreciation 100us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_WichitaKSMember
     
Golder Corral [Member] | Elizabethtown, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ElizabethtownKYMember
     
Land 760us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ElizabethtownKYMember
     
Buildings, Fixtures and Improvements 2,753us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ElizabethtownKYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ElizabethtownKYMember
     
Gross Amount Carried at December 31, 2014 3,513us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ElizabethtownKYMember
     
Accumulated Depreciation 230us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ElizabethtownKYMember
     
Golder Corral [Member] | Henderson, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HendersonKYMember
     
Land 600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HendersonKYMember
     
Buildings, Fixtures and Improvements 1,586us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HendersonKYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HendersonKYMember
     
Gross Amount Carried at December 31, 2014 2,186us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HendersonKYMember
     
Accumulated Depreciation 133us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HendersonKYMember
     
Golder Corral [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_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Land 1,020us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Buildings, Fixtures and Improvements 1,173us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Gross Amount Carried at December 31, 2014 2,193us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Accumulated Depreciation 62us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_LouisvilleKYMember
     
Golder Corral [Member] | Nicholasville, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_NicholasvilleKYMember
     
Land 435us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_NicholasvilleKYMember
     
Buildings, Fixtures and Improvements 2,040us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_NicholasvilleKYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_NicholasvilleKYMember
     
Gross Amount Carried at December 31, 2014 2,475us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_NicholasvilleKYMember
     
Accumulated Depreciation 59us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_NicholasvilleKYMember
     
Golder Corral [Member] | Blue Springs, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BlueSpringsMOMember
     
Land 810us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BlueSpringsMOMember
     
Buildings, Fixtures and Improvements 1,346us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BlueSpringsMOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BlueSpringsMOMember
     
Gross Amount Carried at December 31, 2014 2,156us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BlueSpringsMOMember
     
Accumulated Depreciation 113us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BlueSpringsMOMember
     
Golder Corral [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_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndependenceMOMember
     
Land 1,425us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndependenceMOMember
     
Buildings, Fixtures and Improvements 2,437us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndependenceMOMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndependenceMOMember
     
Gross Amount Carried at December 31, 2014 3,862us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndependenceMOMember
     
Accumulated Depreciation 130us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_IndependenceMOMember
     
Golder Corral [Member] | Flowood, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlowoodMSMember
     
Land 680us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlowoodMSMember
     
Buildings, Fixtures and Improvements 2,730us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlowoodMSMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlowoodMSMember
     
Gross Amount Carried at December 31, 2014 3,410us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlowoodMSMember
     
Accumulated Depreciation 228us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FlowoodMSMember
     
Golder Corral [Member] | Aberdeen, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_AberdeenNCMember
     
Land 690us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_AberdeenNCMember
     
Buildings, Fixtures and Improvements 1,566us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_AberdeenNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_AberdeenNCMember
     
Gross Amount Carried at December 31, 2014 2,256us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_AberdeenNCMember
     
Accumulated Depreciation 131us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_AberdeenNCMember
     
Golder Corral [Member] | Burlington, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BurlingtonNCMember
     
Land 840us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BurlingtonNCMember
     
Buildings, Fixtures and Improvements 2,319us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BurlingtonNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BurlingtonNCMember
     
Gross Amount Carried at December 31, 2014 3,159us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BurlingtonNCMember
     
Accumulated Depreciation 194us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BurlingtonNCMember
     
Golder Corral [Member] | Hickory, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HickoryNCMember
     
Land 260us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HickoryNCMember
     
Buildings, Fixtures and Improvements 2,658us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HickoryNCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HickoryNCMember
     
Gross Amount Carried at December 31, 2014 2,918us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HickoryNCMember
     
Accumulated Depreciation 222us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HickoryNCMember
     
Golder Corral [Member] | Bellevue, NE [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BellevueNEMember
     
Land 520us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BellevueNEMember
     
Buildings, Fixtures and Improvements 1,433us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BellevueNEMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BellevueNEMember
     
Gross Amount Carried at December 31, 2014 1,953us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BellevueNEMember
     
Accumulated Depreciation 120us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BellevueNEMember
     
Golder Corral [Member] | Lincoln, NE [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_LincolnNEMember
     
Land 300us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_LincolnNEMember
     
Buildings, Fixtures and Improvements 2,930us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_LincolnNEMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_LincolnNEMember
     
Gross Amount Carried at December 31, 2014 3,230us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_LincolnNEMember
     
Accumulated Depreciation 245us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_LincolnNEMember
     
Golder Corral [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_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FarmingtonNMMember
     
Land 270us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FarmingtonNMMember
     
Buildings, Fixtures and Improvements 3,174us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FarmingtonNMMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FarmingtonNMMember
     
Gross Amount Carried at December 31, 2014 3,444us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FarmingtonNMMember
     
Accumulated Depreciation 265us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FarmingtonNMMember
     
Golder Corral [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_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoswellNMMember
     
Land 203us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoswellNMMember
     
Buildings, Fixtures and Improvements 600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoswellNMMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoswellNMMember
     
Gross Amount Carried at December 31, 2014 803us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoswellNMMember
     
Accumulated Depreciation 53us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RoswellNMMember
     
Golder Corral [Member] | Akron, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_AkronOHMember
     
Land 640us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_AkronOHMember
     
Buildings, Fixtures and Improvements 2,133us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_AkronOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_AkronOHMember
     
Gross Amount Carried at December 31, 2014 2,773us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_AkronOHMember
     
Accumulated Depreciation 99us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_AkronOHMember
     
Golder Corral [Member] | Beavercreek, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BeavercreekOHMember
     
Land 713us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BeavercreekOHMember
     
Buildings, Fixtures and Improvements 1,858us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BeavercreekOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BeavercreekOHMember
     
Gross Amount Carried at December 31, 2014 2,571us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BeavercreekOHMember
     
Accumulated Depreciation 83us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BeavercreekOHMember
     
Golder Corral [Member] | Canton, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CantonOHMember
     
Land 647us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CantonOHMember
     
Buildings, Fixtures and Improvements 2,135us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CantonOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CantonOHMember
     
Gross Amount Carried at December 31, 2014 2,782us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CantonOHMember
     
Accumulated Depreciation 105us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CantonOHMember
     
Golder Corral [Member] | Cincinnati, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CincinnatiOHMember
     
Land 694us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CincinnatiOHMember
     
Buildings, Fixtures and Improvements 2,066us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CincinnatiOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CincinnatiOHMember
     
Gross Amount Carried at December 31, 2014 2,760us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CincinnatiOHMember
     
Accumulated Depreciation 100us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CincinnatiOHMember
     
Golder Corral [Member] | Cleveland, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOHMember
     
Land 1,109us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOHMember
     
Buildings, Fixtures and Improvements 2,315us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOHMember
     
Gross Amount Carried at December 31, 2014 3,424us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOHMember
     
Accumulated Depreciation 104us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ClevelandOHMember
     
Golder Corral [Member] | Columbus, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbusOHMember
     
Land 770us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbusOHMember
     
Buildings, Fixtures and Improvements 2,476us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbusOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbusOHMember
     
Gross Amount Carried at December 31, 2014 3,246us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbusOHMember
     
Accumulated Depreciation 207us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ColumbusOHMember
     
Golder Corral [Member] | Dayton, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaytonOHMember
     
Land 579us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaytonOHMember
     
Buildings, Fixtures and Improvements 1,429us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaytonOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaytonOHMember
     
Gross Amount Carried at December 31, 2014 2,008us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaytonOHMember
     
Accumulated Depreciation 70us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaytonOHMember
     
Golder Corral [Member] | Dayton, OH 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaytonOH2Member
     
Land 774us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaytonOH2Member
     
Buildings, Fixtures and Improvements 2,766us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaytonOH2Member
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaytonOH2Member
     
Gross Amount Carried at December 31, 2014 3,540us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaytonOH2Member
     
Accumulated Depreciation 132us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_DaytonOH2Member
     
Golder Corral [Member] | Elyria, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ElyriaOHMember
     
Land 1,167us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ElyriaOHMember
     
Buildings, Fixtures and Improvements 1,599us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ElyriaOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ElyriaOHMember
     
Gross Amount Carried at December 31, 2014 2,766us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ElyriaOHMember
     
Accumulated Depreciation 73us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ElyriaOHMember
     
Golder Corral [Member] | Fairfield, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairfieldOHMember
     
Land 859us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairfieldOHMember
     
Buildings, Fixtures and Improvements 1,135us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairfieldOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairfieldOHMember
     
Gross Amount Carried at December 31, 2014 1,994us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairfieldOHMember
     
Accumulated Depreciation 54us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_FairfieldOHMember
     
Golder Corral [Member] | Grove City, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_GroveCityOHMember
     
Land 926us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_GroveCityOHMember
     
Buildings, Fixtures and Improvements 1,859us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_GroveCityOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_GroveCityOHMember
     
Gross Amount Carried at December 31, 2014 2,785us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_GroveCityOHMember
     
Accumulated Depreciation 86us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_GroveCityOHMember
     
Golder Corral [Member] | Northfield, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthfieldOHMember
     
Land 947us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthfieldOHMember
     
Buildings, Fixtures and Improvements 1,061us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthfieldOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthfieldOHMember
     
Gross Amount Carried at December 31, 2014 2,008us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthfieldOHMember
     
Accumulated Depreciation 47us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_NorthfieldOHMember
     
Golder Corral [Member] | Ontario, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_OntarioOHMember
     
Land 616us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_OntarioOHMember
     
Buildings, Fixtures and Improvements 2,412us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_OntarioOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_OntarioOHMember
     
Gross Amount Carried at December 31, 2014 3,028us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_OntarioOHMember
     
Accumulated Depreciation 117us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_OntarioOHMember
     
Golder Corral [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_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringfieldOHMember
     
Land 619us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringfieldOHMember
     
Buildings, Fixtures and Improvements 1,142us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringfieldOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringfieldOHMember
     
Gross Amount Carried at December 31, 2014 1,761us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringfieldOHMember
     
Accumulated Depreciation 51us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringfieldOHMember
     
Golder Corral [Member] | Toledo, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ToledoOHMember
     
Land 838us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ToledoOHMember
     
Buildings, Fixtures and Improvements 3,333us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ToledoOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ToledoOHMember
     
Gross Amount Carried at December 31, 2014 4,171us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ToledoOHMember
     
Accumulated Depreciation 150us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ToledoOHMember
     
Golder Corral [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_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ZanesvilleOHMember
     
Land 487us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ZanesvilleOHMember
     
Buildings, Fixtures and Improvements 2,030us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ZanesvilleOHMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ZanesvilleOHMember
     
Gross Amount Carried at December 31, 2014 2,517us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ZanesvilleOHMember
     
Accumulated Depreciation 179us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_ZanesvilleOHMember
     
Golder Corral [Member] | Midwest City, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidwestCityOKMember
     
Land 1,175us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidwestCityOKMember
     
Buildings, Fixtures and Improvements 1,708us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidwestCityOKMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidwestCityOKMember
     
Gross Amount Carried at December 31, 2014 2,883us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidwestCityOKMember
     
Accumulated Depreciation 151us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_MidwestCityOKMember
     
Golder Corral [Member] | Norman, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_NormanOKMember
     
Land 345us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_NormanOKMember
     
Buildings, Fixtures and Improvements 2,107us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_NormanOKMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_NormanOKMember
     
Gross Amount Carried at December 31, 2014 2,452us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_NormanOKMember
     
Accumulated Depreciation 186us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_NormanOKMember
     
Golder Corral [Member] | Tulsa, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_TulsaOKMember
     
Land 280us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_TulsaOKMember
     
Buildings, Fixtures and Improvements 3,890us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_TulsaOKMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_TulsaOKMember
     
Gross Amount Carried at December 31, 2014 4,170us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_TulsaOKMember
     
Accumulated Depreciation 325us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_TulsaOKMember
     
Golder Corral [Member] | Monroeville, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonroevillePAMember
     
Land 1,647us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonroevillePAMember
     
Buildings, Fixtures and Improvements 849us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonroevillePAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonroevillePAMember
     
Gross Amount Carried at December 31, 2014 2,496us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonroevillePAMember
     
Accumulated Depreciation 29us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_MonroevillePAMember
     
Golder Corral [Member] | Rock Hill, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockHillSCMember
     
Land 320us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockHillSCMember
     
Buildings, Fixtures and Improvements 2,130us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockHillSCMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockHillSCMember
     
Gross Amount Carried at December 31, 2014 2,450us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
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Accumulated Depreciation 178us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockHillSCMember
     
Golder Corral [Member] | Cookeville, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CookevilleTNMember
     
Land 800us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CookevilleTNMember
     
Buildings, Fixtures and Improvements 1,937us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CookevilleTNMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CookevilleTNMember
     
Gross Amount Carried at December 31, 2014 2,737us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CookevilleTNMember
     
Accumulated Depreciation 162us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CookevilleTNMember
     
Golder Corral [Member] | Baytown, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BaytownTXMember
     
Land 596us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BaytownTXMember
     
Buildings, Fixtures and Improvements 1,788us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BaytownTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BaytownTXMember
     
Gross Amount Carried at December 31, 2014 2,384us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BaytownTXMember
     
Accumulated Depreciation 138us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BaytownTXMember
     
Golder Corral [Member] | Brownsville, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrownsvilleTXMember
     
Land 604us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrownsvilleTXMember
     
Buildings, Fixtures and Improvements 2,302us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrownsvilleTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrownsvilleTXMember
     
Gross Amount Carried at December 31, 2014 2,906us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrownsvilleTXMember
     
Accumulated Depreciation 203us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrownsvilleTXMember
     
Golder Corral [Member] | College Station, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CollegeStationTXMember
     
Land 1,265us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CollegeStationTXMember
     
Buildings, Fixtures and Improvements 1,718us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CollegeStationTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CollegeStationTXMember
     
Gross Amount Carried at December 31, 2014 2,983us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CollegeStationTXMember
     
Accumulated Depreciation 152us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_CollegeStationTXMember
     
Golder Corral [Member] | Harlingen, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HarlingenTXMember
     
Land 832us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HarlingenTXMember
     
Buildings, Fixtures and Improvements 3,037us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HarlingenTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HarlingenTXMember
     
Gross Amount Carried at December 31, 2014 3,869us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HarlingenTXMember
     
Accumulated Depreciation 268us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_HarlingenTXMember
     
Golder Corral [Member] | Spring, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringTXMember
     
Land 3,342us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringTXMember
     
Buildings, Fixtures and Improvements 1,207us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringTXMember
     
Gross Amount Carried at December 31, 2014 4,549us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringTXMember
     
Accumulated Depreciation 75us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_SpringTXMember
     
Golder Corral [Member] | Texarkana, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_TexarkanaTXMember
     
Land 758us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_TexarkanaTXMember
     
Buildings, Fixtures and Improvements 3,031us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_TexarkanaTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_TexarkanaTXMember
     
Gross Amount Carried at December 31, 2014 3,789us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_TexarkanaTXMember
     
Accumulated Depreciation 233us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_TexarkanaTXMember
     
Golder Corral [Member] | Bristol, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BristolVAMember
     
Land 750us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BristolVAMember
     
Buildings, Fixtures and Improvements 2,276us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BristolVAMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BristolVAMember
     
Gross Amount Carried at December 31, 2014 3,026us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BristolVAMember
     
Accumulated Depreciation 190us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_BristolVAMember
     
Golder Corral [Member] | Rock Springs, WY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockSpringsWYMember
     
Land 354us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockSpringsWYMember
     
Buildings, Fixtures and Improvements 90us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockSpringsWYMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockSpringsWYMember
     
Gross Amount Carried at December 31, 2014 444us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockSpringsWYMember
     
Accumulated Depreciation 8us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GolderCorralMember
/ us-gaap_StatementGeographicalAxis
= arcp_RockSpringsWYMember
     
Gold's Gym [Member] | Broken Arrow, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GoldsGymMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrokenArrowOKMember
     
Land 1,661us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GoldsGymMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrokenArrowOKMember
     
Buildings, Fixtures and Improvements 6,565us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GoldsGymMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrokenArrowOKMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GoldsGymMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrokenArrowOKMember
     
Gross Amount Carried at December 31, 2014 8,226us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GoldsGymMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrokenArrowOKMember
     
Accumulated Depreciation 328us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GoldsGymMember
/ us-gaap_StatementGeographicalAxis
= arcp_BrokenArrowOKMember
     
Goodfire BBQ [Member] | San Antonio, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2014 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GoodfireBBQMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAntonioTXMember
     
Land 350us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GoodfireBBQMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAntonioTXMember
     
Buildings, Fixtures and Improvements 341us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GoodfireBBQMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAntonioTXMember
     
Costs Capitalized Subsequent to Acquisition 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GoodfireBBQMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAntonioTXMember
     
Gross Amount Carried at December 31, 2014 691us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GoodfireBBQMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAntonioTXMember
     
Accumulated Depreciation $ 29us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= arcp_GoodfireBBQMember
/ us-gaap_StatementGeographicalAxis
= arcp_SanAntonioTXMember