Discontinued Operations - Financial Results (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Discontinued Operations and Disposal Groups [Abstract]
Revenues			$ 48,782
Cost of revenues			24,795
Sales and marketing			1,030
General and administrative			7,026
Total costs and operating expense			32,851
Income from operations of discontinued operations			15,931
Interest and other, net			(1,286)
Income from discontinued operations before income taxes			14,645
Income tax expense			(4,581)
Gain on sale of discontinued operations, net of income taxes			4,242	$ 0
Income from discontinued operations, net of income taxes	$ 2,681	$ 0	$ 14,306	$ 0