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Share-Based Compensation - Additional Information (Details) - USD ($) |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | ---
Feb. 25, 2022 | Jun. 30, 2019 | Mar. 31, 2022 | Mar. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Shares granted |  |  | 8,606 |
Share-based compensation income tax benefits |  |  | $ 100,000 | $ 1,300,000
Share-based compensation expense |  |  | 2,420,000 | 1,410,000
Pre-tax unrecognized compensation expense, net of estimated forfeitures |  |  | $ 15,800,000 |
Forfeiture rate utilized for estimating forfeitures of options and restricted share units granted |  |  | 8.20% |
Share options contractual term |  |  | 10 years |
Aggregate intrinsic value of options exercisable |  |  | $ 18,253,275 |
Share options exercised |  |  | 14,268 |
Unrecognized pre-tax share based compensation expense related to unvested share option awards |  |  | $ 7,500,000 |
Shares vested |  |  | 93,854 |
Unrecognized pre-tax compensation expense related to unvested restricted share awards and restricted shares units |  |  | $ 8,300,000 |
Employee Share Purchase Plan |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Number of outstanding shares added annually |  | 275,000 |  |
Percentage of outstanding shares |  | 1.00% |  |
Share-based compensation expense |  |  | $ 200,000 | $ 200,000
Percentage of purchase price shares on first trading day of offering period and purchase date |  | 85.00% |  |
Number of additional shares available under ESPP | 267,352 |  |  |
2019 Share Incentive Plan |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Number of shares authorized | 1,320,000 |  | 1,320,000 |
Shares granted |  |  | 8,606 |
Percentage of outstanding shares |  | 5.00% |  |
2019 Share Incentive Plan | Maximum |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Number of outstanding shares added annually |  | 1,320,000 |  |
2019 Share Incentive Plan | RSUs |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Shares granted |  |  | 8,606 |
Shares vested |  |  | 93,854 |
Shares to pay employees' portion of minimum payroll withholding taxes |  |  | 18,200 |

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- Definition Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Amount of cost to be recognized for option under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Other than shares newly issued, the number of additional shares issued (for example, a stock split) or canceled (for example, to correct a share issuance), during the period under the plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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