Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph A240

-Subparagraph g(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

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- Definition

Aggregate unrecognized cost of share-based awards, other than options, made to employees under an equity-based compensation plan, that have yet to vest.

+ References

No definition available.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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STOCK COMPENSATION PLANS (Details) (Restricted Stock Award, USD $)	3 Months Ended			6 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Stock Compensation Plans
Number of shares authorized but unissued company common stock under the 2003 plan	6,500,000			6,500,000
Number of shares available for grant under the 2003 Plan	1,818,971			1,818,971
Time-based
Stock Compensation Plans
Compensation expense	$ 1,300,000	$ 1,600,000	$ 2,100,000	$ 2,900,000	$ 4,100,000
Outstanding restricted stock awards (in shares)	853,936			853,936
Time-based \| Minimum
Stock Compensation Plans
Vesting period				3 years
Time-based \| Maximum
Stock Compensation Plans
Vesting period				5 years
Performance-based
Stock Compensation Plans
Outstanding restricted stock awards (in shares)	850,000			850,000
Unrecognized Compensation Expense	33,797,000			33,797,000
2006
Stock Compensation Plans
Outstanding restricted stock awards (in shares)	275,000			275,000
Unrecognized Compensation Expense	14,924,000			14,924,000
2007
Stock Compensation Plans
Outstanding restricted stock awards (in shares)	205,000			205,000
Unrecognized Compensation Expense	11,259,000			11,259,000
2008
Stock Compensation Plans
Outstanding restricted stock awards (in shares)	20,000			20,000
Unrecognized Compensation Expense	453,000			453,000
2011
Stock Compensation Plans
Outstanding restricted stock awards (in shares)	350,000			350,000
Unrecognized Compensation Expense	$ 7,161,000			$ 7,161,000