Leases - Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 25, 2022	Dec. 25, 2021
Leases
Operating lease right-of-use assets	$ 14,497	$ 15,672
Finance lease right-of-use assets	$ 6,168	6,299
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property, Plant and Equipment, Net
Total lease assets	$ 20,665	21,971
Current portion of long-term lease liabilities	3,208	3,216
Finance lease liabilities	$ 90	98
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Long-term Debt and Lease Obligation, Current
Operating lease liability, long-term	$ 15,721	17,302
Finance lease liabilities, long-term	$ 6,958	6,997
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Long-term Debt and Lease Obligation
Total lease liabilities	$ 25,977	$ 27,613