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Employee Benefit Plans (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2015 | Sep. 30, 2014 | Sep. 30, 2013
Legacy Dawson Geophysical Company 401k Plan |  |  |  |
Percentage of employees gross pay that is matched | 6.00% | 6.00% | 6.00% | 6.00%
Employer matching contribution, percent matched | 100.00% | 100.00% | 100.00% | 100.00%
Matching contribution to the plan | $ 462 | $ 1,849 | $ 1,895 | $ 1,747
Legacy TGC 401k Plan |  |  |  |
Percentage of employees gross pay that is matched |  | 6.00% |  |
Employer matching contribution, percent matched |  | 50.00% |  |
Matching contribution to the plan |  | $ 98 |  |

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- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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- Details
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- Details
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