Related Party Transactions and Arrangements (Schedule of Selling Commissions and Dealer Manager Fees) (Details) (USD $)	3 Months Ended	12 Months Ended
Dec. 31, 2011 Dealer Manager [Member] Realty Capital Securities, LLC [Member] Sales Commissions and Fees [Member]	Dec. 31, 2012 Dealer Manager [Member] Realty Capital Securities, LLC [Member] Sales Commissions and Fees [Member]	Dec. 31, 2012 Payable [Member] Advisor and Dealer Manager [Member] Fees and Expense Reimbursement, Stock Offering [Member]	Dec. 31, 2011 Payable [Member] Advisor and Dealer Manager [Member] American Realty Capital Properties Advisors, LLC and Realty Capital Securities, LLC [Member] [Member] Fees and Expense Reimbursement, Stock Offering [Member]
Schedule of Selleing Commission and Dealer Manager Fees [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	$ 11,434,000	$ 160,614,000	$ 0	$ 92,000

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

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 57

-Paragraph 2

-Subparagraph c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: 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

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Balance Type:	debit
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