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SHARE-BASED COMPENSATION (Details) (USD $)				3 Months Ended			3 Months Ended				3 Months Ended
	Mar. 31, 2014 2007 EIP	Mar. 31, 2013 2007 EIP	Mar. 31, 2014 2012 EIP	Mar. 31, 2014 Stock Options	Mar. 31, 2014 Stock Options 2007 EIP	Mar. 31, 2014 Stock Options 2012 EIP	Mar. 31, 2014 Stock Options Minimum	Mar. 31, 2014 Stock Options Maximum	Mar. 31, 2014 Restricted stock unit (RSU) 2007 EIP	Mar. 31, 2014 Restricted stock unit (RSU) 2012 EIP	Mar. 31, 2014 Restricted stock unit (RSU) Minimum	Mar. 31, 2014 Restricted stock unit (RSU) Maximum
SHARE-BASED COMPENSATION
Number of shares of common stock reserved for grants	691,051		1,200,000
Number of shares reserved					73,897	116,987			74,659	558,883
Common stock issued under share-based compensation plan		213,070	192,193
Vesting term							1 year	5 years			1 year	5 years
Expiration term				10 years
Summary of the stock option activity
Outstanding at the beginning of the period (in shares)				207,775
Granted (in shares)				0
Expired (in shares)				(16,891)
Outstanding at the end of the period (in shares)				190,884
Exercisable (in shares)				91,440
Weighted Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)				$ 26.22
Expired (in dollars per share)				$ 101.25
Outstanding at the end of the period (in dollars per share)				$ 19.58
Exercisable (in dollars per share)				$ 35.62

X

- Definition

Aggregate number of common shares reserved for future issuance.

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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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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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).

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

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