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Subsequent Event (Notes)	12 Months Ended
Subsequent Event (Notes)	Dec. 31, 2016
Subsequent Events [Abstract]
Subsequent Event	Subsequent Event On February 17, 2017, the Company announced the resignation of its Chairman and Chief Executive Officer (the “CEO”), effective March 1, 2017. In accordance with the Separation Agreement and General Release filed as Exhibit 10.1 to Form 8-K filed on February 17, 2017, the CEO will receive a cash payment of approximately $5.8 million, primarily for severance and separation pay. The CEO will also vest in all unvested stock options and restricted stock awards. The Company expects to record a charge of approximately $2.9 million related to the accelerated vesting of the equity awards in the first quarter of 2017.