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Share-based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Apr. 30, 2023 | Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Stock Option Awards |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Options outstanding, shares |  | 1,520,000 |  | 1,577,000
Stock option awards granted |  | 0 |  |
Share-settled Restricted Stock Units |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Aggregate fair value of stock option vested |  | $ 3.4 |  |
Unrecognized compensation expense expected to be recognized |  | 2 years 7 months 6 days |  |
Restricted stock units outstanding |  | 116,000 |  | 120,000
Share-settled restricted stock units vested |  | 5,780 |  |
Number of shares withheld to satisfy tax obligations |  | 1,963 |  |
Shares issued |  | 3,817 |  |
Granted, weighted average grant date fair value (in dollars per share) |  | $ 258.65 | $ 404.60 |
Unrecognized share-based compensation expense |  | $ 34.5 |  |
2013 Equity Plan | Stock Option Awards |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock options vested |  | 139,125 |  |
Aggregate fair value of stock option vested |  | $ 41.4 |  |
Weighted average grant date fair value of stock option awards |  |  | $ 227.51 |
Share-based compensation expense recognized |  | 12.9 | $ 10.4 |
Unrecognized share-based compensation expense |  | $ 116.6 |  |
Unrecognized compensation expense expected to be recognized |  | 2 years 6 months |  |
2013 Equity Plan | Share-settled Restricted Stock Units |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based compensation expense recognized |  | $ 3.4 | 3.2 |
Restricted stock units outstanding |  | 115,609 |  |
2013 Equity Plan | Other Stock Based Awards and Cash Settled RSUs |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based compensation expense recognized |  | $ 0.7 | 0.1 |
Unrecognized compensation expense expected to be recognized |  | 10 months 24 days |  |
Unrecognized share-based compensation expense |  | $ 0.7 |  |
2013 Equity Plan | Class A |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based compensation, stock authorized |  | 2,750,000 |  |
Shares of class A common stock reserved and available for future issuance |  | 86,415 |  |
2013 Equity Plan | Class A | Stock Option Awards |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Options outstanding, shares |  | 1,520,079 |  |
2023 Equity Plan | Subsequent Event |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based compensation equity incentive plan expiration period | 10 years |  |  |
2023 Equity Plan | New Shares of Class A Authorized for Issuance | Subsequent Event |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based compensation, stock authorized | 200,000 |  |  |
2023 Equity Plan | Maximum Class A Share Rollover from 2013 Plan Authorized for Issuance | Subsequent Event |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based compensation, stock authorized | 1,732,703 |  |  |
2021 Employee Stock Purchase Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based compensation expense recognized |  | $ 0.6 | $ 0.6 |
Unrecognized compensation expense expected to be recognized |  | 4 months 24 days |  |
Unrecognized share-based compensation expense |  | $ 0.7 |  |
2021 Employee Stock Purchase Plan | Class A |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based compensation, stock authorized |  | 100,000 |  |
Shares of class A common stock reserved and available for future issuance |  | 66,791 |  |
Common stock, shares issued |  | 12,672 |  |

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued 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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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