EMPLOYEE BENEFIT PLANS (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| 401(k) plans | |||
| Employer's matching contribution (as a percent) | 60.00% | ||
| Maximum contribution by employer as a percentage of employee's compensation | 5.00% | 5.00% | |
| Employer's matching contribution before change (as a percent) | 50.00% | ||
| Vesting period of employer's contributions | 3 years | ||
| Contributions by employer | $ 0.9 | $ 0.8 | $ 0.8 |
| Nonqualified deferred compensation plan | |||
| Maximum percentage of annual salary and bonus that may be deferred | 100.00% | ||
| Period for payment of obligation upon separation, one | 3 years | ||
| Period for payment of obligation upon separation, two | 5 years | ||
| Deferred compensation plan assets | $ 1.0 | $ 1.0 | |
| X | ||||||||||
- Definition Represents the maximum percentage of salary and bonus that may be deferred by participating employees under the deferred compensation plan. No definition available.
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| X | ||||||||||
- Definition Represents the period one for the payment of obligation upon separation of employment of the participant under the deferred compensation plan. No definition available.
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| X | ||||||||||
- Definition Represents the period two for the payment of obligation upon separation of employment of the participant under the deferred compensation plan. No definition available.
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| X | ||||||||||
- Definition Represents the period after which employer's contribution vest under the defined contribution plan. No definition available.
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| X | ||||||||||
- Definition Percentage of matching contributions made by employer to a defined contribution plan before change. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Carrying amount as of the balance sheet date of assets held under deferred compensation agreements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The amount of the cost recognized during the period for defined contribution plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. No definition available.
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| X | ||||||||||
- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. No definition available.
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