v2.4.0.6

Employee Benefit Plans	12 Months Ended
	Dec. 31, 2011
Employee Benefit Plans	17. Employee Benefit Plans The Company sponsors a defined contribution pension plan. Participation in this plan is available to a majority of employees. Contributions to this plan were based on a percentage of employee contributions. The cost of this plan for the Company was approximately $1,397, $1,172 and $1,021 for the years ended December 31, 2011, 2010 and 2009, respectively.

X

- Definition

The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans.

+ References

No definition available.

+ Details

Name:	us-gaap_CompensationAndEmployeeBenefitPlansTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration