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Employee Benefit Plans (Narrative) (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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| Defined Benefit Plan Disclosure [Line Items] | |||
| Maximum matching percentage by employer | 6.00% | ||
| Contributions to the plan | $ 471,000 | $ 479,000 | $ 456,000 |
| Expected contributions in 2013 | 50,000 | ||
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Level 2 [Member]
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| Defined Benefit Plan Disclosure [Line Items] | |||
| Investments used to fund the plan | 3,517,000 | 3,193,000 | |
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Level 3 [Member]
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| Defined Benefit Plan Disclosure [Line Items] | |||
| Investments used to fund the plan | $ 2,030,000 | $ 2,864,000 | |
| X | ||||||||||
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- Definition
The amount of employer securities or securities of parties related to the employer that are included in plan assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of discretionary contributions made by an employer to a defined contribution plan. No definition available.
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- Definition
Maximum percentage of employee gross pay, by the terms of the plan, that the employer may contribute to a defined contribution plan. No definition available.
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