Employee Benefits (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Compensation and Retirement Disclosure [Abstract] | |||
| Employer matching contribution percent | 100.00% | ||
| Employer matching percent | 6.00% | ||
| Employer contributions | $ 4,733 | $ 4,556 | $ 4,524 |
| 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 Percentage employer matches of the employee's percentage contribution matched. No definition available.
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