Income Taxes (Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at January 1,	$ 0	$ 0	$ 0
Increases in unrecognized tax benefits-prior years	4,744	0	0
(Decreases) in unrecognized tax benefits-prior years	0	0	0
Increases in unrecognized tax benefits-current year	4,744	0	0
(Decreases) in unrecognized tax benefits-current year	0	0	0
Settlements with taxing authorities	0	0	0
Balance at December 31,	9,488	0	0
Unrecognized tax benefits that, if recognized, would favorably impact the effective rate	$ 9,488	$ 0	$ 0