Related Party Transaction, Expenses from Transactions with Related Party, Percentage Of Gross Revenue Of Property Managed

No definition available.

+ Details

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Namespace Prefix:	arcp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Related Party Transaction, Expenses from Transactions with Related Party, Percentage Of Multi-Tenant Property Gross Revenue

+ References

No definition available.

+ Details

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Namespace Prefix:	arcp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Related Party Transaction, Expenses from Transactions with Related Party, Percentage Of Single-Tenant Property Gross Revenue

+ References

No definition available.

+ Details

Name:	arcp_RelatedPartyTransactionExpensesfromTransactionswithRelatedPartyPercentageOfSingleTenantPropertyGrossRevenue
Namespace Prefix:	arcp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

+ Details

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Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- Details

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- Details

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- Details

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- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=arcp_AffiliatesofFormerManagerMember
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Related Party Transactions and Arrangements (Property Management Fees) (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2014
Affiliates of Former Manager [Member]
Related Party Transaction [Line Items]
Related party expenses	$ 16,089,000	$ 103,206,000	$ 826,000
ARCT III [Member] \| Affiliates of Former Manager [Member] \| Property Management Fees [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party, Percentage Of Single-Tenant Property Gross Revenue				2.00%
Related Party Transaction, Expenses from Transactions with Related Party, Percentage Of Multi-Tenant Property Gross Revenue				4.00%
ARCT III [Member] \| Affiliates of Former Manager [Member] \| Oversight Fee [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party, Percentage Of Gross Revenue Of Property Managed				1.00%
Management Fees To Affiliates [Member] \| Affiliates of Former Manager [Member] \| Property Management Fees [Member]
Related Party Transaction [Line Items]
Related party expenses	0	800,000
ARCT III [Member] \| Merger Related Costs [Member] \| Affiliates of Former Manager, Seven [Member] \| Property Management Services [Member]
Related Party Transaction [Line Items]
Related party expenses	$ 0	$ 2,300,000