Segment Reporting (Details 1) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015	Dec. 31, 2014
Segment Reporting [Abstract]
Assets, Net	$ 1,117,940	$ 1,103,310	$ 1,200,153
Cash and cash equivalents	173,389	200,714	$ 179,587	$ 270,861
Other assets	33,769	28,465
TOTAL ASSETS	$ 1,325,098	$ 1,332,489