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Equity - Additional Information (Details) - USD ($) |  |  | 1 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jan. 01, 2021 | Jan. 01, 2020 | Dec. 31, 2020 | Mar. 31, 2018 | Jun. 30, 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 |  |  |  |  | 106,790 |  |  |  |  |
Incentive Plan | Employee |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Compensation expense |  |  |  |  | $ 24,895,874 |  |  |  |  |
Compensation expense not yet recognized |  |  |  |  | $ 67,855,903 |  |  |  |  |
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 |  |  |  |  | 5,095,090 |  |  |  |  |
Restricted stock units vested and expected to vest |  |  |  |  | 79,474 |  |  |  |  |
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 |  |  |

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