Employee Benefit Plan (Details) $ in Thousands	12 Months Ended
Dec. 31, 2016 USD ($) hour	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Compensation and Retirement Disclosure [Abstract]
Work hours per week \| hour	20
Employer matching percent	50.00%
Maximum percentage of contributions per employee	6.00%
Vesting period	4 years
Contribution amount \| $	$ 77	$ 79	$ 63

Defined Contribution Plan, Employers Matching Contribution, Vesting Period

No definition available.

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Defined Contribution Plan, Minimum Required Work Hours Per Week

No definition available.

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No definition available.

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Amount of discretionary contributions made by an employer to a defined contribution plan.

No definition available.

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Percentage employer matches of the employee's percentage contribution matched.

No definition available.

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Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

No definition available.

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