Earnings Per Share - Calculation of EPS (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Basic EPS
Net loss	$ (140,756)	$ (69,503)	$ (7,567)
Less: net loss attributable to legacy Redbox prior to the business combination	(105,496)
Less: net loss attributable to non-controlling interests	(27,967)
Net loss attributable to Redbox Entertainment Inc. basic	(7,293)
Net loss attributable to Redbox Entertainment Inc. diluted	$ (6,910)
Diluted EPS
Weighted average shares outstanding for earnings (loss) per share, Basic	12,618,516
Weighted average shares used in computing net loss per share attributable to common shareholders- diluted	12,618,516
Earnings per share, Basic	$ (0.58)
Earnings Per Share, Diluted	$ (0.55)