Income Taxes (Details Textual) $ in Millions	12 Months Ended
	Dec. 31, 2015 USD ($)
Operating Loss Carryforwards [Line Items]
Federal net operating loss	$ 127.9
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	90.4
U.S. Capital losses	23.6
Forgein income tax credits	59.3
Change in valuation allowance	1.7
Foreign tax credits and offset to branch deferreds [Member]
Operating Loss Carryforwards [Line Items]
Change in valuation allowance	$ 1.7