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Employee Benefit Plans (Details) (USD $)
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12 Months Ended | ||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Employee benefit plans (Textual) [Abstract] | |||
| Costs incurred for administering employee plan | $ 204,000 | $ 172,000 | $ 150,000 |
| Liability related to Employee benefit plan | 2,300,000 | ||
| Payments to retiring employees | 0 | 0 | 0 |
| Additional Cost Incurred to eliminate retirement and severance policy | $ 1,100,000 | ||
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- Details
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- Definition
Retirement and severance elimination cost. No definition available.
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- Definition
Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Cash outflows for payments of postemployment benefits (such as severance pay and health insurance benefits) recognized during the period. Postemployment benefits are benefits paid to employees after employment but before retirement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of pension and other (such as medical, dental and life insurance) postretirement benefit costs recognized during the period for (1) defined benefit plans (periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss) on assets, prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments) and for (2) defined contribution plans (to the extent that a plan's defined contributions to an individual's account are to be made for periods in which that individual renders services, the net cost for a period is the contribution called for in that period; if a plan calls for contributions for periods after an individual retires or terminates, the estimated cost is accrued during the employee's service period). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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