Stock-Based Compensation Arrangements - Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 8.79	$ 8.87
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	2,357,298	1,987,331
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	$ 233
ShareBasedCompensationArrangementbyShareBasedPaymentAwarad,Options,Outstanding,WeightedAverageRemainingContractualLife	5 years 5 months 8 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Share-BasedCompensationArrangementbyShareBasedPaymentAward,Options,GrantedinPeriod,WeightedAverageExercisePrice	$ 8.81
Forfeited (in shares)	(128,599)
ShareBasedCompensationArrangementbyShareBasedPaymentAward,Options,NonvestedForfeited,WeightedAverageExercisePrice	$ 9.64
Stock options expected to vest, December 28, 2014 (in shares)	1,595,892
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price	$ 8.95
ShareBasedCompensationArrangementbyShareBasedPaymentAward,Options,ExpectedtoVest,WeightedAverageRemainingContractualTerm	5 years 9 months 25 days
Exercisable stock options, December 28, 2014 (in shares)	584,085
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	$ 8.31
ShareBasedCompensationArrangementbyShareBasedPaymentAward,Options,Exercisable,WeightedAverageRemainingContractualLife	4 years 3 months 3 days
Share-based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Granted (in shares)	498,566	112,769	123,603

CEC ENTERTAINMENT INC 10-K