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Income Tax (Details) (USD $)	3 Months Ended
Income Tax (Details) (USD $)	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Income Tax [Abstract]
Income tax expense (benefit)	$ 1,467,000	$ 35,000
Gross unrecognized tax benefits	1,700,000	1,700,000
Valuation Allowance [Line Items]
Valuation allowance	1,100,000		1,100,000
Mepco [Member]
Valuation Allowance [Line Items]
Valuation allowance against deferred tax assets attributable to Mepco	$ 1,000,000

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.