Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Discontinued Operation, Income (Loss) from Discontinued Operation Disclosures [Abstract]
Revenues	$ 30,401		$ 50,982
Cost of revenues	13,490		25,100
Sales and marketing	979		1,196
General and administrative	6,920		7,303
Total costs and operating expenses	21,389		33,599
Income from operations of discontinued operations	9,012		17,383
Interest and other, net	(708)		(1,177)
Income from discontinued operations before income taxes	8,304		16,206
Income tax expense	(2,895)		(4,581)
Income from discontinued operations, net of income taxes	$ 5,409	$ 0	11,625	$ 0
Total operating cash flows of discontinued operations			2,955
Total investing cash flows of discontinued operations			$ 35,701