Discontinued Operations (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Sep. 17, 2012 Subsidiary
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Transaction costs from sale of discontinued operations	$ 0	$ 0	$ (1,100,000)
Revenues, gross profit and income from discontinued operations, net of tax from discontinued operations:
(Loss) income from discontinued operations, net of tax	0	(67,000)	12,102,000
Media
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of subsidiaries				2
Business disposal, selling price			20,000,000	20,000,000
Business disposal, liability for breaches of representations and warranties made in the Purchase Agreement, maximum				10,000,000
Transaction costs from sale of discontinued operations			1,100,000
Carrying value of the total assets			8,300,000
Carrying value of the total liabilities			3,100,000
Revenues, gross profit and income from discontinued operations, net of tax from discontinued operations:
Revenue		0	13,797,000
Gross profit		0	10,421,000
Loss from discontinued operations		(119,000)	(1,509,000)
Gain on sale of discontinued operations		0	13,712,000
Income tax (benefit) provision from discontinued operations		(52,000)	101,000
(Loss) income from discontinued operations, net of tax		$ (67,000)	$ 12,102,000