Document and Entity Information	6 Months Ended
	Jun. 30, 2011	Jul. 31, 2011
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2011
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q2
Entity Registrant Name	AMERICAN REALTY CAPITAL PROPERTIES, INC.
Entity Central Index Key	0001507385
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		1,000