Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Discontinued Operation, Income (Loss) from Discontinued Operation Disclosures [Abstract]
Revenues	$ 20,581
Cost of revenues	11,610
Sales and marketing	217
General and administrative	383
Total costs and operating expenses	12,210
Income from operations of discontinued operations	8,371
Interest and other, net	(469)
Income from discontinued operations before income taxes	7,902
Income tax expense	(1,686)
Income from discontinued operations, net of income taxes	6,216	$ 0
Total operating cash flows of discontinued operations	11,769
Total investing cash flows of discontinued operations	$ 23,428