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Employee Benefit Plans (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Legacy Dawson Geophysical Company 401k Plan |  |  |
Employer matching contribution, percent matched | 100.00% | 100.00% | 100.00%
Percentage of employees gross pay that is matched | 6.00% | 6.00% | 6.00%
Matching contribution to the plan | $ 1,480,000 | $ 1,658,000 | $ 1,849,000
Legacy TGC 401k Plan |  |  |
Employer matching contribution, percent matched |  |  | 50.00%
Percentage of employees gross pay that is matched |  |  | 6.00%
Matching contribution to the plan |  |  | $ 98,000

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- Details
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- Details
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