Intangible Assets and Acquired Below-Market Leases, net - Summary of Identifiable Intangible Assets and Below Market Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Acquired below-market leases:
Gross amount	$ 6,556	$ 6,640
Accumulated Amortization	(3,314)	(3,166)
Acquired below-market leases, net	3,242	3,474
Acquired Finite-Lived Intangible Assets [Line Items]
Net balance	5,988	6,318
Acquired leasing commissions
Acquired Finite-Lived Intangible Assets [Line Items]
Gross amount	7,499	6,913
Accumulated amortization	(4,073)	(3,783)
Net balance	3,426	3,130
Acquired leases in place
Acquired Finite-Lived Intangible Assets [Line Items]
Gross amount	5,290	5,624
Accumulated amortization	(5,175)	(5,500)
Net balance	115	124
Acquired tenant relationship costs
Acquired Finite-Lived Intangible Assets [Line Items]
Gross amount	9,254	9,254
Accumulated amortization	(8,776)	(8,223)
Net balance	478	1,031
Acquired other intangibles
Acquired Finite-Lived Intangible Assets [Line Items]
Gross amount	3,077	3,125
Accumulated amortization	(1,108)	(1,092)
Net balance	$ 1,969	$ 2,033