Other Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Other Liabilities
Distributions in Excess of Investment in Unconsolidated Joint Venture	$ 224	$ 0
Interest rate swap liability	1,491	1,865
Other	184	223
Total	12,989	13,034
Pension plan
Other Liabilities
Pension and supplemental executive retirement plan liability	3,017	2,931
SERP
Other Liabilities
Pension and supplemental executive retirement plan liability	$ 8,073	$ 8,015