401(k) Plan	12 Months Ended
Dec. 31, 2022
401(k) Plan [Abstract]
401(k) Plan	11. 401(k) Plan The Company has a qualified retirement plan under section 401(k) of the Internal Revenue Code, or the IRC, under which participants may contribute up to 90% of their eligible compensation, subject to maximum deferral limits specified by the IRC. The Company may make a discretionary matching contribution to the 401(k) plan and may make a discretionary employer contribution to each eligible employee each year. Beginning in January 2020, the Company started matching employees' contributions to the 401(k) plan at 50% of the first 5% of compensation deferred to the 401(k) plan and at 50% of the first 6% of compensation deferred effective January 1, 2022. The Company's matching contributions were $1,872,000, $1,313,000 and $959,000 for the years ended December 31, 2022, 2021 and 2020, respectively.

401(k) Plan

12 Months Ended

Dec. 31, 2022

11. 401(k) Plan

The Company has a qualified retirement plan under section 401(k) of the Internal Revenue Code, or the IRC, under which participants may contribute up to 90% of their eligible compensation, subject to maximum deferral limits specified by the IRC. The Company may make a discretionary matching contribution to the 401(k) plan and may make a discretionary employer contribution to each eligible employee each year. Beginning in January 2020, the Company started matching employees' contributions to the 401(k) plan at 50% of the first 5% of compensation deferred to the 401(k) plan and at 50% of the first 6% of compensation deferred effective January 1, 2022. The Company's matching contributions were $1,872,000, $1,313,000 and $959,000 for the years ended December 31, 2022, 2021 and 2020, respectively.