Income Taxes (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Tax Contingency [Line Items]
Unrecognized Tax Benefits, Beginning Balance	$ 636	$ 636	$ 636
Reductions for tax positions taken in prior years
Reductions for tax settlements
Reductions for lapse of applicable statutes
Unrecognized Tax Benefits, Ending Balance	636	636	636
Continuing Operations [Member]
Income Tax Contingency [Line Items]
Reductions for tax positions taken in prior years
Reductions for tax settlements
Reductions for lapse of applicable statutes
Discontinued Operations [Member]
Income Tax Contingency [Line Items]
Unrecognized Tax Benefits, Beginning Balance	636	636	636
Reductions for tax positions taken in prior years
Reductions for tax settlements
Reductions for lapse of applicable statutes
Unrecognized Tax Benefits, Ending Balance	$ 636	$ 636	$ 636