Income Taxes (Details Textual) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Taxes (Additional Textual) [Abstract]
Deferred tax asset	$ 102,908
Income Taxes (Textual) [Abstract]
Effective tax rate from continuing operations	540.00%	332.50%	3.80%
Income tax differential due to cash payment received from screen vision		30,000
Net unrealized built in loss, recognition period	5 years
Federal and state net operating loss carryforwards	32,678
Expiration date of federal and state operating loss carryforwards	2020
Company's alternative minimum tax credit carryforward	779	779
Consolidated net deferred tax assets before any valuation allowance	102,908	84,963
Unrecognized tax benefits	2,678	2,526	2,471
Future taxable income and reversed the valuation allowance	86,533
Cumulative pre tax income rolling period	3 years
Reversal of valuation allowance on deferred tax assets	86,533
Rave Acquisition [Member]
Income Taxes (Additional Textual) [Abstract]
Deferred tax asset	$ 14,418