Defined Contribution Plan (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Defined Contribution Plan | |||
| Company's matching contributions equal to each employee's contribution (as a percent) | 50.00% | ||
| Maximum contribution of employees as a percentage of their compensation | 6.00% | ||
| Amount expensed | $ 237 | $ 211 | $ 211 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition The amount of the cost recognized during the period for defined contribution plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. No definition available.
|
| X | ||||||||||
- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. No definition available.
|