Stock-Based Compensation Employee Stock Purchase Plan (Details) - shares shares in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Employee Stock Purchase Plan [Member]
[Line Items]
Shares of stock sold to employees(1)	[1]	0	11	20	39

[1] Stock sold to employees during each fiscal quarter under the ESPP is associated with the offering period ending on the last day of the previous fiscal quarter. No stock was sold under the ESPP during the third quarter of 2016 because the ESPP had been suspended due to our delayed SEC filings. We became current with our SEC filings on September 2, 2016 and the ESPP is again active.