BENEFIT PLANS (Details) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
BENEFIT PLANS
Maximum contribution by employees as a percentage of pre-tax earnings	50.00%
Generally the maximum amount a participant may contribute in accordance with statutory limits	$ 17,000	$ 16,500
Matching contribution by employer per dollar of contribution by participant	0.50
Maximum contribution by employer (as a percent)	6.00%
Requisite service period for matching contribution	3 years
Vesting of employer matching contribution prior to requisite service period (as a percent)	0.00%
Vesting of employer matching contribution after requisite service period (as a percent)	100.00%
Matching contribution made by the entity	$ 300,000	$ 200,000

The limit of annual employee contributions to the plan per calendar year as a percentage of compensation.

No definition available.

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- Definition

Generally, the maximum amount an employee may contribute to a defined contribution plan for the calendar year in accordance with statutory limits.

+ References

No definition available.

+ Details

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- Definition

Represents maximum amount by the terms of the plan, that the employer may contribute for each dollar to a defined contribution plan.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

The requisite service period for eligibility for matching contribution by the employer.

+ References

No definition available.

+ Details

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- Definition

Represents the vesting of employer matched funds, expressed as a percentage, after the requisite service period.

+ References

No definition available.

+ Details

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- Definition

Represents the vesting of employer matched funds, expressed as a percentage, prior to the requisite service period.

+ References

No definition available.

+ Details

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- 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 Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

Reference 2: 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.

+ Details

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Period Type:	duration

- Definition

Maximum percentage of employee gross pay, by the terms of the plan, that the employer may contribute to a defined contribution plan.

+ References

No definition available.

+ Details

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