Consolidated Statements of Operations (Parenthetical) - Partnership Interest [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Interest Income	$ 1,590	$ 1,210	$ 1,643
Unrealized Gain on Securities	$ 1,734	$ 1,058	$ (2,231)