Stock-Based Compensation - Additional Information (Details)		1 Months Ended	12 Months Ended
	Jun. 10, 2022 shares	Mar. 31, 2021	Dec. 31, 2022 USD ($) offeringPeriod hour plan $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of plans | plan			2
Additional shares authorized (in shares)	6,300,000
Number of common stock authorized for issuance (in shares)			1,501,304
Vesting period (in years)			4 years
Weighted average period for recognition of compensation costs (in years)			1 year
Expiration period of stock option plan (in years)			10 years
Options granted (in shares)			0	0
Weighted average grant date fair value of options granted, per share (in dollars per share) | $ / shares					$ 1.20
Unrecognized compensation cost | $			$ 400,000
Stock-based compensation expense | $			$ 21,608,000	$ 23,871,000	$ 22,805,000
Restricted Stock Units (RSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average grant date fair value of RSUs granted (in dollars per share) | $ / shares			$ 3.96	$ 4.87	$ 2.80
Restricted Stock Units (RSUs) | Employees | Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period (in years)			3 years
Restricted Stock Units (RSUs) | Employees | Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period (in years)			1 year
Employee Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Minimum hours worked per week | hour			20
Minimum months worked (in months)			5 months
Incentive Stock Units (ISUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total grant date fair value of RSUs | $			$ 15,000,000	$ 16,800,000	$ 17,000,000
Total fair value of RSUs vested | $			10,900,000	27,500,000	5,100,000
Unrecognized stock based compensation cost | $			$ 17,300,000
Weighted average period for recognition of compensation costs (in years)			1 year 4 months 24 days
Shares expected to vest (in shares)			6,700,000
2015 and 2018 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares available for grant (in shares)			5,900,000
2015 Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Maximum contribution percentage amount of employee's base compensation (as a percent)			15.00%
Maximum employee contribution in to share purchase plan per offering | $			$ 30,000
Percentage of market value price of common stock under Employee Stock Purchase Plan (as a percent)			85.00%
Common stock reserved for issuance (in shares)			3,500,000
Shares issued under ESPP (in shares)			600,000
Common stock remained available for issuance pursuant to the purchase plan (in shares)			2,900,000
Number of offering periods | offeringPeriod			2
Stock-based compensation expense | $			$ 400,000	$ 300,000	$ 100,000
2015 Employee Stock Purchase Plan | Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of common stock authorized for issuance (in shares)			3,500,000
share-based compensation arrangement, number of shares for purchase each offering period			3,000
2015 Employee Stock Purchase Plan | Employee Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized stock based compensation cost | $			$ 0
Two Thousand and Twenty One Performance Share Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance period (in years)		3 years