Earnings Per Share - Calculation of EPS (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Net loss	$ (65,000)	$ (34,785)	$ (105,874)	$ (61,980)
Less: net loss attributable to non-controlling interests	(42,508)		(81,938)
Net loss attributable to Redbox Entertainment Inc. - basic	(22,492)		(23,936)
Net loss attributable to Redbox Entertainment Inc. - diluted	$ (22,212)		$ (23,656)
Denominator:
Weighted average shares of Class A common stock outstanding - basic	12,726,531		12,672,822
Weighted average shares of Class A common stock outstanding - diluted	12,726,531		12,672,822
Earnings per share of Class A common stock outstanding - basic	$ (1.77)		$ (1.89)
Earnings per share of Class A common stock outstanding - diluted	$ (1.75)		$ (1.87)