Stock-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Jan. 01, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jun. 10, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum percentage of fair value of common stock		100.00%
Exercises in period, intrinsic value		$ 42	$ 363
Options granted, weighted average grant date fair value (in dollars per share)		$ 6.12	$ 10.78	$ 7.05
Incentive Stock Options and Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares based compensation, vested period (in years)		4 years
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation, restricted stock units granted (in shares)		692,331
Share based compensation, restricted stock units granted (in dollars per share)		$ 9.34
Share based compensation, grant date fair value		$ 6,500
Unrecognized compensation cost of stock based awards		$ 8,600
Unrecognized compensation cost of stock based awards, recognition period		2 years 4 months 24 days
Two Thousand Fifteen Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, authorized (in shares)		1,000,000.0
Two Thousand Seventeen Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, authorized (in shares)					474,000
Common stock, reserved for future issuance (in shares)	652,000	26,000
Aggregate intrinsic value, options exercised		4.00%
Two Thousand Seventeen Equity Incentive Plan | Employee Stock Purchase Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, shares issued in period (in shares)		26,643
Share-based compensation arrangement by share-based payment award, number of shares available for grant (in shares)		144,000
Two Thousand Seventeen Equity Incentive Plan | Employee Stock Purchase Plans | Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, number of additional shares authorized (in shares)	85,000
Two Thousand Nineteen Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, authorized (in shares)		800,000
Common stock, reserved for future issuance (in shares)		173,000
Minimum | Non-Statutory Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares based compensation, vested period (in years)		3 years
Maximum | Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period (in years)		10 years
Maximum | Non-Statutory Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares based compensation, vested period (in years)		4 years