Income Taxes Income Tax (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Valuation Allowance [Line Items]
Provision for income taxes	$ 8,535	$ 1,749	$ 14,659	$ 1,602
Deferred tax asset valuation allowances		$ 4,000	$ 0	$ 9,291
Effective Income Tax Rate Reconciliation, Percent	39.00%	11.40%	39.00%	5.80%