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EMPLOYEE BENEFIT PLAN (Details) (Employee 401(k) Plan, USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Defined Contribution Plan |  |  |
Employer matching contribution as a percentage of the employee's contribution | 25.00% |  |
Percentage of contribution vested each year | 20.00% |  |
Vesting period of contribution by the company | 5 years |  |
Matching contributions by the company (in dollars) | $ 0.5 | $ 0.5 | $ 0.4
Maximum |  |  |
Defined Contribution Plan |  |  |
Annual employee contribution limit as a percent of compensation | 15.00% |  |
Percent of employee's earnings eligible for employer matching contribution | 8.00% |  |

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- Details
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- Definition The limit of annual employee contributions to the plan as a percent of compensation. + References No definition available. + Details
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- Definition Represents the employer matching contribution as a percentage of the employee's contribution towards the defined contribution plan. + References No definition available. + Details
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- Definition Percentage of employer's matching contributions to the defined contribution plan that vests in a given year. + References No definition available. + Details
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- Definition Represents the vesting period for matching contributions by the company. + References No definition available. + Details
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- Definition Represents the percent of employee's earnings eligible for employer matching contribution. + References No definition available. + Details
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- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 11 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942 + Details
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