Property Acquisitions and Dispositions - Summary of Disposition Activity (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014 sqft acre
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
GLA	141,000
Acreage	1.5
Sales Price	$ 10,210
Debt Repaid	0
Gain on Sale	2,672
Total consolidated income producing dispositions
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
GLA	141,000
Sales Price	8,880
Debt Repaid	0
Gain on Sale	2,466
Total consolidated income producing dispositions | The Town Center at Aquia - El Gran Charro Outparcel
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Location	Stafford, VA
GLA	6,000
Date Sold	May 28, 2014
Sales Price	1,730
Debt Repaid	0
Gain on Sale	123
Total consolidated income producing dispositions | Naples Towne Centre
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Location	Naples, FL
GLA	135,000
Date Sold	Apr. 17, 2014
Sales Price	7,150
Debt Repaid	0
Gain on Sale	2,343
Total consolidated land / outparcel dispositions
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Acreage	1.5
Sales Price	1,330
Debt Repaid	0
Gain on Sale	206
Total consolidated land / outparcel dispositions | Parkway Phase I - Express Oil Change Outparcel
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Location	Jacksonville, FL
Acreage	0.7
Date Sold	Jun. 13, 2014
Sales Price	680
Debt Repaid	0
Gain on Sale	215
Total consolidated land / outparcel dispositions | Hartland - Taco Bell Outparcel
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Location	Hartland, MI
Acreage	0.8
Date Sold	May 01, 2014
Sales Price	650
Debt Repaid	0
Gain on Sale	$ (9)