Subsequent Events Subsequent Events (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Mar. 03, 2017
Subsequent Event [Line Items]
Proceeds from sale of business		$ 73,965	$ 25,058	$ 82,822
Beyond Com Inc [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Consideration received	$ 26,000
Proceeds from sale of business	$ 15,500
Term of note receivable (in years)	3 years
Amount of non-cash consideration received	$ 10,500
Interest rate on note receivable					9.50%