Significant Accounting Policies - Net Income Attributable to Joint Ventures (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 26, 2023
Noncontrolling Interest [Line Items]
Nonredeemable noncontrolling interests	$ 179	$ 124
Total net income	14,636	22,376
Corporate Joint Venture
Noncontrolling Interest [Line Items]
Papa John’s International, Inc.	592	397
Redeemable noncontrolling interests	99	46
Nonredeemable noncontrolling interests	179	124
Total net income	$ 870	$ 567