Basis of Presentation and Summary of Significant Accounting Policies - Remaining Performance Obligation (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Accounting Policies [Abstract]
Revenue, Remaining Performance Obligation, Amount	$ 2,531
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-01-02
Accounting Policies [Abstract]
Revenue, Remaining Performance Obligation, Amount	$ 165
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-02
Accounting Policies [Abstract]
Revenue, Remaining Performance Obligation, Amount	$ 159
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-02
Accounting Policies [Abstract]
Revenue, Remaining Performance Obligation, Amount	$ 159
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-02
Accounting Policies [Abstract]
Revenue, Remaining Performance Obligation, Amount	$ 152
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-02
Accounting Policies [Abstract]
Revenue, Remaining Performance Obligation, Amount	$ 150
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-02
Accounting Policies [Abstract]
Revenue, Remaining Performance Obligation, Amount	$ 1,746
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period