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Income Taxes (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Dec. 31, 2011
Operating Loss Carryforwards [Line Items]
State NOL carryforwards	$ 700,000		$ 700,000
Income Taxes (Textual) [Abstract]
Provisions for income taxes	7,802,000	11,657,000
Percentage of pre-tax income	35.00%	36.00%
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Remaining state tax NOL carryforwards			$ 8,000,000

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The sum of domestic, foreign and state and local operating loss carryforwards, before tax effects, utilized during the current reporting period.

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A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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

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