Income Taxes - Unrecognized Tax Benefits - Tabular Disclosure (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 25, 2021 |
Dec. 26, 2020 |
|
| Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] | ||
| Unrecognized tax benefits at beginning of year | $ 8,337 | $ 6,612 |
| Increases based on tax positions related to the current year | 1,699 | 1,725 |
| Additions for tax positions of prior year | 0 | 0 |
| Reductions for tax positions of prior years | 0 | 0 |
| Settlements | 0 | 0 |
| Expiration of the statute of limitations for assessment of taxes | 0 | 0 |
| Unrecognized tax benefits at end of year | $ 10,036 | $ 8,337 |