Intangibles Intangibles (Details 3) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2016
Intangibles
Net recognition of loss in rental income from intangible amortization write offs	$ 41,000	$ 41,000
Above market in-place lease intangible
Intangibles
Above market lease intangible assets written off	700,000	700,000
Above market lease intangible accumulated amortization written off	500,000	500,000
Below market in-place lease intangible
Intangibles
Below market lease intangible liabilities written off	200,000	200,000
Below market lease intangible accumulated accretion written off	$ 100,000	$ 100,000