Summary of Business and Significant Accounting Policies - Pro Forma Results of Operations (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 9 Months Ended |
|---|---|---|
Sep. 30, 2019 |
Sep. 30, 2019 |
|
| Business Acquisition, Pro Forma Information [Abstract] | ||
| Total revenues | $ 46,625 | $ 143,721 |
| Net income attributable to The ONE Group Hospitality, Inc. | $ 1,306 | $ 1,560 |
| Basic net earnings per share (in dollars per share) | $ 0.04 | $ 0.05 |
| Diluted net earnings per share (in dollars per share) | $ 0.04 | $ 0.05 |
| X | ||||||||||
- Definition The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|