Long-Term Debt - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 28, 2025 USD ($) renewalPeriod Rate	Dec. 29, 2024 USD ($)	Dec. 31, 2023 USD ($)	Jun. 30, 2025 USD ($)	Jun. 17, 2025 USD ($)	Apr. 17, 2023 USD ($)	Feb. 16, 2023 USD ($)
Debt Instrument [Line Items]
Repayments of long-term debt	$ 594,000	$ 0	$ 651,700
Cash sweeping event | Rate	175.00%
Rapid amortization event | Rate	120.00%
Manager termination event | Rate	120.00%
Interest-only debt service coverage ratio, default event | Rate	110.00%
Debt service coverage ratio | Rate	300.00%
Debt repurchase program, maximum amount authorized							$ 100,000
Loss on extinguishment of debt	$ 900	0	0
Series 2023-1 7.824% Fixed Rate Senior Secured Notes, Class A-2
Debt Instrument [Line Items]
Debt instrument, face amount						$ 500,000
Debt interest rate (in percent)	7.824%
Additional interest on fixed rate (in percent)	5.00%
Debt instrument, term (in years)	10 years
Debt instrument, periodic payment, principal	$ 1,250
Covenant compliance, leverage ratio, maximum | Rate	525.00%
Ratio of indebtedness to net capital | Rate	484.00%
Debt instrument, make-whole premium	$ 17,400
Senior notes	$ 500,000	500,000
Series 2023-1 7.824% Fixed Rate Senior Secured Notes, Class A-2 | Ten Year United States Treasury Bill Rate
Debt Instrument [Line Items]
Additional interest on fixed rate (in percent)	9.24%
Series 2023-1 7.824% Fixed Rate Senior Secured Notes, Class A-2 | Revolving Credit Facility
Debt Instrument [Line Items]
Debt issuance costs, gross	$ 8,000
Amortization costs	1,200	1,100	700
Debt issuance costs, net	$ 5,000
Series 2025-1 6.720% Fixed Rate Senior Secured Notes, Class A-2
Debt Instrument [Line Items]
Debt instrument, face amount					$ 600,000
Debt interest rate (in percent)	6.72%				6.72%
Debt instrument, periodic payment, principal	$ 1,500
Covenant compliance, leverage ratio, maximum | Rate	525.00%
Ratio of indebtedness to net capital | Rate	484.00%
Debt instrument, make-whole premium	$ 37,100
Senior notes	$ 600,000	0
Series 2025-1 6.720% Fixed Rate Senior Secured Notes, Class A-2 | Ten Year United States Treasury Bill Rate
Debt Instrument [Line Items]
Additional interest on fixed rate (in percent)	7.85%
Series 2025-1 6.720% Fixed Rate Senior Secured Notes, Class A-2 | Revolving Credit Facility
Debt Instrument [Line Items]
Debt issuance costs, gross	$ 7,600
Amortization costs	700
Debt issuance costs, net	$ 6,800
Series 2019-1 4.723% Fixed Rate Senior Secured Notes, Class A-2-II
Debt Instrument [Line Items]
Debt interest rate (in percent)	4.723%				4.723%
Senior notes	$ 0	594,000
Amortization costs	400	1,000	1,600
Loss on extinguishment of debt	900
Series 2019-1 4.723% Fixed Rate Senior Secured Notes, Class A-2-II | Revolving Credit Facility
Debt Instrument [Line Items]
Repayments of long-term debt	$ 594,000
Variable Funding Senior Notes, 2025 Class A-1, Series 2025-1
Debt Instrument [Line Items]
Debt interest rate (in percent)	6.56%
Senior notes	$ 100,000	0
Variable Funding Senior Notes, 2025 Class A-1, Series 2025-1 | Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity					$ 325,000
Number of renewal periods | renewalPeriod	2
Renewal period term (in years)	1 year
Interest rate percentage after renewal date (in percent)	5.00%
Line of credit facility, available remaining borrowing capacity	$ 224,400
Debt, weighted average interest rate (in percent)	6.78%
Debt issuance costs, gross				$ 4,100
Amortization costs	$ 1,200	$ 1,200	$ 1,200
Debt issuance costs, net	$ 6,300
Variable Funding Senior Notes, 2025 Class A-1, Series 2025-1 | Revolving Credit Facility | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate (in percent)	2.50%
Variable Funding Senior Notes, 2025 Class A-1, Series 2025-1 | Letter of Credit
Debt Instrument [Line Items]
Line of credit facility, available remaining borrowing capacity	$ 600
Variable Funding Senior Notes, 2025 Class A-1, Series 2025-1 | Letter of Credit | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate (in percent)	0.50%
Variable Funding Senior Notes, 2025 Class A-1, Series 2025-1 | Letter of Credit | Federal Funds Rate
Debt Instrument [Line Items]
Basis spread on variable rate (in percent)	0.50%
Variable Funding Senior Notes, 2025 Class A-1, Series 2025-1 | Letter of Credit | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate (in percent)	2.00%
Variable Funding Senior Notes, 2022 Class A-1, Series 2022-1
Debt Instrument [Line Items]
Debt interest rate (in percent)		7.14%
Senior notes	$ 0	$ 100,000
Variable Funding Senior Notes, 2022 Class A-1, Series 2022-1 | Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, expired amount					$ 325,000