Stock-Based Compensation - Stock Incentive Plan (Details) - shares	Dec. 31, 2021	Dec. 31, 2020	Dec. 20, 2017
Exela 2018 Stock Incentive Plan
Common stock shares authorized	1,600,000,000	1,600,000,000
2018 Plan
Exela 2018 Stock Incentive Plan
Common stock shares authorized	17,848,076		2,774,589
2018 Plan | Maximum
Exela 2018 Stock Incentive Plan
Common stock shares authorized			2,774,588