Discontinued Operations (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Transaction costs from sale of discontinued operations	$ 0	$ (1,100,000)	$ 0
Revenues, gross profit and income from discontinued operations, net of tax from discontinued operations:
(Loss) income from discontinued operations, net of tax	(67,000)	12,102,000	1,932,000
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Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business disposal, selling price	20,000,000	20,000,000
Business disposal, cash deposited in escrow by buyer	3,000,000
Business disposal, cash received from escrow from seller	3,000,000
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	20,409,000
Gross profit	0	10,421,000	15,503,000
(Loss) income from discontinued operations	(119,000)	(1,509,000)	2,986,000
Gain on sale of discontinued operations	0	13,712,000	0
Income tax (benefit) provision from discontinued operations	(52,000)	101,000	1,054,000
(Loss) income from discontinued operations, net of tax	$ (67,000)	$ 12,102,000	$ 1,932,000