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Equity Incentive Plan - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Proceeds from exercise of stock options	$ 155,000
Tax benefits attributable to stock-based compensation	$ 4,600,000	$ 2,900,000	$ 3,400,000
Stock Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock granted vesting period	4 years
Stock based compensation expense, weighted average period of recognition	2 years 9 months 18 days
Contractual term	10 years
Weighted Average Grant Date Fair Value	$ 4.36	$ 6.47
Number of stock options, vested	141,218	0
Stock options vested, fair value	$ 600,000
Proceeds from exercise of stock options	200,000
Unrecognized stock based compensation expense	$ 4,400,000
2018 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized	10,864,000
Aggregate Common stock available for future grants	4,809,837
2018 Equity Incentive Plan | RSU
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock granted vesting period	4 years
Fair value of vested stock units	$ 10,600,000	$ 10,200,000	$ 9,700,000
Unrecognized stock based compensation expense	$ 15,600,000
Stock based compensation expense, weighted average period of recognition	2 years
2018 Equity Incentive Plan | PSU
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Fair value of vested stock units	$ 0
Unrecognized stock based compensation expense	$ 2,000,000.0
Stock based compensation expense, weighted average period of recognition	2 years
2018 Equity Incentive Plan | PSU | Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of conversion ranges	0.00%
2018 Equity Incentive Plan | PSU | Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of conversion ranges	150.00%

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