Organization (Details) (USD $)	1 Months Ended	12 Months Ended										12 Months Ended
	Dec. 31, 2010	Dec. 31, 2012	Dec. 31, 2011	Sep. 07, 2011	Sep. 30, 2012 Contributor [Member] ARC Real Estate Partners, LLC [Member] property	Dec. 31, 2012 Common Stock	Jul. 09, 2012 Common Stock	Jun. 18, 2012 Common Stock	Nov. 07, 2011 Common Stock	Nov. 02, 2011 Common Stock	Sep. 07, 2011 Common Stock	Dec. 31, 2012 General Partner [Member] ARC Properties Operating Partnership, L.P. [Member]	Dec. 31, 2012 Affiliated Entity [Member] Contributor [Member] ARC Real Estate Partners, LLC [Member]	Dec. 31, 2012 Unaffiliated Third Party [Member]	Sep. 07, 2011 Citizens Bank [Member] Contributor [Member] ARC Real Estate Partners, LLC [Member] property	Dec. 31, 2011 Vacant [Member] Contributor [Member] ARC Real Estate Partners, LLC [Member] property	Sep. 07, 2011 Home Depot [Member] Contributor [Member] ARC Real Estate Partners, LLC [Member] property	Sep. 07, 2011 Mortgage Notes Payable [Member]	Sep. 07, 2011 Unsecured Debt [Member]	Sep. 07, 2011 Secured Debt [Member]		Sep. 07, 2011 Other Assets [Member]	Sep. 07, 2011 Other Liabilities [Member]	Sep. 07, 2011 Loans Payable [Member]		Sep. 07, 2011 Real Estate [Member]
Operations [Line Items]
Real Estate Investments, Net				$ (16,771,000)																$ (96,472,000)	[1]	$ 2,402,000	$ (834,000)	$ 30,626,000	[2]	$ 108,759,000
Common Stock, Shares, Issued		11,157,643	7,323,434			10,884,534	487,500	3,250,000	74,979	1,497,924	5,574,131
Common Stock, Shares, Outstanding		11,157,643	7,323,434
Proceeds from Issuance of Common Stock		118,900,000
Proceeds from issuances of preferred shares	0	9,000,000	0
Maximum Amount of Offering from Universal Shelf Registration Statement		500,000,000
General partner ownership interest in OP, Percent												92.50%
Limited partner ownership interest in OP, Percent													2.60%	4.90%
Number Of Properties Contributed By Affiliate					63										59	2	1
Business Acquisition, Purchase Price Allocation, Liabilities Assumed																		$ (96,200,000)	$ (30,600,000)

[1] (2) $82.6 million of mortgage notes payable were refinanced with a new $51.5 million revolving credit facility and the remaining balance was repaid from the proceeds of the IPO concurrently with closing of the IPO.

[2] 1) Notes payable were repaid from the proceeds of the IPO concurrently with closing.