Summary of Significant Accounting Policies (Details 1) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Year Ending December 31,
2018	$ 16,321
2019	15,655
2020	15,277
2021	14,513
2022	14,325
Thereafter	91,474
Total	167,565
Total	(30,350)	$ (30,047)
Credit Facility Financing Costs [Member]
Year Ending December 31,
2018	394
2019	380
2020	379
2021	21
2022	0
Thereafter	0
Total	1,174
Leasing Costs [Member]
Year Ending December 31,
2018	179
2019	221
2020	210
2021	195
2022	208
Thereafter	570
Total	1,583
Lease Intangibles (Assets) [Member]
Year Ending December 31,
2018	20,151
2019	19,383
2020	18,917
2021	18,241
2022	17,161
Thereafter	101,305
Total	195,158
Lease Intangibles (Liability) [Member]
Year Ending December 31,
2018	(4,403)
2019	(4,329)
2020	(4,229)
2021	(3,944)
2022	(3,044)
Thereafter	(10,401)
Total	$ (30,350)