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Equity - Additional Information (Details) - USD ($)			1 Months Ended		3 Months Ended	12 Months Ended
Equity - Additional Information (Details) - USD ($)	Jan. 01, 2021	Jan. 01, 2020	Dec. 31, 2020	Mar. 31, 2018	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Oct. 31, 2019	Sep. 30, 2018
Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Incentive units authorized for issuance				6,199,477
Share-based award, expiration date				Sep. 30, 2018
Incentive units authorized for issuance							1,561,485
Incentive Plan \| Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted shares vested and expected to vest					159,085
Incentive Plan \| Employee
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Compensation expense					$ 10,327,658
Compensation expense not yet recognized					$ 72,812,116
Compensation expense not yet recognized, period of recognition					2 years
Incentive Plan \| Scenario Forecast
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Incentive units authorized for issuance						1,946,628
2018 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for issuance										4,067,007
Annual increase in reserved shares as percentage of outstanding common stock								4.00%
Stock options vested and expected to vest					5,023,163
Restricted stock units vested and expected to vest					77,279
Minimum \| Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based award, vesting period				1 year
Minimum \| 2018 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Annual increase in reserved shares of common stock								4,989,593
Maximum \| Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for issuance										1,277,181
Share-based award, vesting period				4 years
At The Market Offering \| Piper Sandler
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares issued and sold							2,593,637
Common stock aggregate offering price									$ 100,000,000.0
Proceeds from sale of common stock							$ 64,100,000
Fees and expenses							$ 1,600,000
2018 ESPP
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for issuance	486,657	390,371								311,850
Common stock reserved for issuance represented as percentage on outstanding common stock	1.00%	1.00%
Common stock, shares issued					12,050
Common stock, shares remained available for purchase					1,489,159
Amount used as multiplying factor to grant common stock					$ 2,083
Maximum percentage of compensation receivable by employee					15.00%
2018 ESPP \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Purchase price under ESPP as percentage of closing price of common stock					85.00%
Common Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Gross proceeds from sale of shares in Initial public offering before fees and expenses			$ 431,900,000
Fees and expenses			$ 28,100,000
Common Shares \| Initial Public Offering
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares issued and sold			6,571,428
Share price, issued and sold			$ 70.00				$ 70.00