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Stock Based Compensation - Additional Information (Detail) - USD ($) |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 27, 2022 | Sep. 20, 2022 | Jun. 09, 2021 | Jun. 13, 2018 | Dec. 31, 2022 | Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of common stock available for future grant |  |  |  |  | 12,990,839 |
Options vested |  |  |  |  | 0 |
Aggregate amount of special dividend payment | $ 7,600,000 | $ 45,000,000.0 |  |  |  |
Common stock, cash dividend paid |  | $ 1.43 |  |  | $ 1.43 |
Weighted average grant date fair value of stock options |  |  |  |  | $ 0.96 | $ 4.00
Option exercised |  |  |  |  | 0 |
Aggregate intrinsic value of options exercised |  |  |  |  |  | $ 3,000
Fair value of options vested |  |  |  |  | $ 1,900,000 | 2,600,000
Total stock-based compensation |  |  |  |  | 1,342,000 | 3,405,000
Employee Stock Option |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Unrecognized employee stock based compensation expense |  |  |  |  | $ 1,100,000 |
Unrecognized employee stock based compensation expense, period for recognition |  |  |  |  | 1 year 11 months 4 days |
2018 Omnibus Incentive Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Increase in number of shares of common stock reserved for issuance |  |  | 2,500,000 |  | 14,860,784 |
Common stock, capital shares reserved for future issuance |  |  | 5,300,000 |  | 20,160,784 |
2018 Omnibus Incentive Plan | Performance-Based Stock Option Grants |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Issuance of option grants to purchase common stock shares |  |  |  |  | 400,000 |
2018 Omnibus Incentive Plan | ASU 2021-04 | Performance-Based Stock Option Grants |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Issuance of option grants to purchase common stock shares |  |  |  |  | 1,521,568 |
2018 Employee Stock Purchase Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of common stock available for future grant |  |  |  |  | 187,807 |
Maximum employee subscription rate |  |  |  | 15.00% |  |
Number of common stock authorized for issuance |  |  |  |  | 359,545 |
Number of common stock stock issued |  |  |  |  | 47,662 |
Proceeds from Issuance |  |  |  |  | $ 20,000 |
Total stock-based compensation |  |  |  |  |  | $ 100,000
2018 Employee Stock Purchase Plan | Maximum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Percentage of fair market value of common stock |  |  |  | 85.00% |  |

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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 Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + 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 (d)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + 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 (d)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The increase or decrease in number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding, including vested options. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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