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Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

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The liability as of the balance sheet date representing required funding mandated by statute or regulatory authority that is related directly or indirectly to underwriting activities, including pools for self-insurance and excluding premium taxes and income taxes. The funds derived from the assessments generally enable a government guarantor to pay insurance claims in the event that the underwriting insurer is insolvent or otherwise unable to meet its payment obligations.

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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Discontinued Operations (Details Textual) (USD $)	12 Months Ended
Discontinued Operations (Details Textual) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jul. 19, 2012 Bed	Aug. 13, 2012 bed	Jul. 01, 2012 bed	Feb. 28, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from RTS divestiture	$ 0	$ 0	$ 33,253,000
Purchase of treasury shares		0	8,666,000
Residential Treatment Services
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from RTS divestiture			33,300,000
Shares of common stock repurchased			295,959
Purchase of treasury shares			8,600,000
Services Agreement Contract Term	1 year
Revenue recorded as discontinued operation		167,200,000
East Mississippi Correctional Facility
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of beds discontinued				1,500
Marshall County Correctional Facility
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of beds discontinued					1,000
Walnut Grove Youth Correctional Facility
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of beds discontinued						1,450
State of Mississippi Department of Corrections
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue recorded as discontinued operation		24,500,000	44,900,000
Loss contingency, amount of insurance liability		2,300,000
Services Agreement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Services Agreement Contract Term	5 years
License Agreement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Services Agreement Contract Term	5 years
Fair Value Inputs, Discount Rate	10.00%
Services and Licensing Agreement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Prepaid Service Revenue and License Revenue							6,500,000
Sales Service Revenue Other and License Revenue	$ 4,600,000	$ 2,000,000