Income Taxes (Deferred Tax Valluation Allowances) (Details 6) - Deferred Tax Valuation Allowance [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Begining of Period	$ 69,545	$ 65,521	$ 72,767
Tax Expense and Revaluation	4,709	4,024	889
Deductions	(32,935)	0	(8,135)
Balance at End of Period	$ 41,319	$ 69,545	$ 65,521