Description of Business and Summary of Significant Accounting Policies - Condensed Consolidated Statement of Cash Flow (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Apr. 03, 2020 |
Mar. 29, 2019 |
Dec. 31, 2019 |
|
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | |||
| Net income | $ 8,668 | $ 7,074 | |
| Other liabilities | 1,182 | 1,909 | |
| Net cash used in operating activities | $ 1,137 | (6,386) | |
| As Previously Reported | |||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | |||
| Net income | 7,091 | ||
| Other liabilities | 1,892 | ||
| Net cash used in operating activities | (6,386) | ||
| Correction | |||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | |||
| Net income | (17) | $ (1,500) | |
| Other liabilities | 17 | ||
| Net cash used in operating activities | $ 0 | ||