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Share-Based Compensation - Additional Information (Detail) $ / shares in Units, ¥ in Thousands, $ in Thousands |  |  |  |  |  | 1 Months Ended | 12 Months Ended |  |  |  |  |
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Apr. 15, 2022 shares | Mar. 25, 2021 shares | Apr. 15, 2020 shares | Dec. 12, 2018 shares | Jul. 31, 2018 shares | Aug. 31, 2018 shares | Nov. 30, 2014 shares | Dec. 31, 2022 CNY (¥) shares | Dec. 31, 2022 USD ($) $ / shares shares | Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) $ / shares | Dec. 31, 2020 CNY (¥) | Dec. 31, 2020 USD ($) $ / shares | Dec. 31, 2022 USD ($) $ / shares shares | Aug. 30, 2019 shares | Mar. 31, 2017 shares | Apr. 30, 2016 shares | Mar. 31, 2015 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options vested |  |  |  |  |  |  |  | 16,636,567 | 16,636,567 |  |  |  |  |  |  |  |  |
Options expected to vest |  |  |  |  |  |  |  | 10,370,988 |  |  |  |  |  | 10,370,988 |  |  |  |
Options expected to vest, weighted-average exercise price | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.0002 |  |  |  |
Options expected to vest, Aggregate intrinsic value | $ |  |  |  |  |  |  |  |  |  |  | $ 52,130 |  |  | $ 46,564 |  |  |  |
Weighted average fair value per option at grant date, Granted | $ / shares |  |  |  |  |  |  |  |  | $ 2.48 |  | $ 7.2 |  | $ 10.25 |  |  |  |  |
Total intrinsic value of options exercised | $ |  |  |  |  |  |  |  |  | $ 20,261 |  | $ 28,487 |  | $ 14,640 |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |  | ¥ 401,484 | $ 58,209 | ¥ 475,771 |  | ¥ 678,686 |  |  |  |  |  |
Weighted average remaining contractual term options outstanding |  |  |  |  |  |  |  | 6 years 4 months 24 days | 6 years 4 months 24 days | 6 years 8 months 8 days | 6 years 8 months 8 days |  |  |  |  |  |  |
Number of options, Granted |  |  |  |  |  |  |  | 5,601,640 | 5,601,640 |  |  |  |  |  |  |  |  |
Share based liability | $ |  |  |  |  |  |  |  |  |  |  | $ 120,000 |  |  |  |  |  |  |
Payments for Employee related liabilities | $ |  |  |  |  |  |  |  |  |  |  | 108,000 |  |  |  |  |  |  |
Escrow Deposit | $ |  |  |  |  |  |  |  |  |  |  | $ 12,000 |  |  |  |  |  |  |
Tantan Limited [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share split ratio |  |  |  |  |  |  |  | 1-for-5 | 1-for-5 |  |  |  |  |  |  |  |  |
Employee vested option repurchased | ¥ |  |  |  |  |  |  |  | ¥ 24,971 |  | ¥ 119,141 |  |  |  |  |  |  |  |
Payments for vested options repurchased | ¥ |  |  |  |  |  |  |  | 89,652 |  | 62,276 |  |  |  |  |  |  |  |
Qool Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of share options granted |  |  |  | 9,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation | ¥ |  |  |  |  |  |  |  |  |  |  |  | 10,227 |  |  |  |  |  |
RSUs [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation | ¥ |  |  |  |  |  |  |  | 9,335 |  | 10,512 |  | 11,486 |  |  |  |  |  |
Unrecognized compensation expense | ¥ |  |  |  |  |  |  |  | ¥ 10,050 |  |  |  |  |  |  |  |  |  |
Weighted average recognition period |  |  |  |  |  |  |  | 1 year 10 months 24 days | 1 year 10 months 24 days |  |  |  |  |  |  |  |  |
2012 Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum aggregate number of shares issued |  |  |  |  |  |  |  | 44,758,220 |  |  |  |  |  | 44,758,220 |  |  |  |
Number of share options granted |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |
2014 Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation arrangements expiration Period |  |  |  |  |  |  |  | 10 years | 10 years |  |  |  |  |  |  |  |  |
Unrecognized compensation expense | ¥ |  |  |  |  |  |  |  | ¥ 406,071 |  |  |  |  |  |  |  |  |  |
Weighted average recognition period |  |  |  |  |  |  |  | 2 years 1 month 24 days | 2 years 1 month 24 days |  |  |  |  |  |  |  |  |
Weighted average remaining contractual term options outstanding |  |  |  |  |  |  |  | 6 years 4 months 24 days | 6 years 4 months 24 days |  |  |  |  |  |  |  |  |
2014 Plan | Class A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum aggregate number of shares issued |  |  |  |  |  |  | 14,031,194 |  |  |  |  |  |  |  |  |  |  |
Increase in number of shares reserved for future issuances |  |  |  |  |  |  |  | 1.50% | 1.50% |  |  |  |  |  |  |  |  |
Number of shares reserved for future issuances, description |  |  |  |  |  |  |  | Starting from 2017, the number of shares reserved for future issuances under the 2014 Plan will be increased by a number equal to 1.5% of the total number of outstanding shares on the last day of the immediately preceding calendar year, or such lesser number of Class A ordinary shares as determined by the Company’s board of directors, on the first day of each calendar year during the term of the 2014 Plan. | Starting from 2017, the number of shares reserved for future issuances under the 2014 Plan will be increased by a number equal to 1.5% of the total number of outstanding shares on the last day of the immediately preceding calendar year, or such lesser number of Class A ordinary shares as determined by the Company’s board of directors, on the first day of each calendar year during the term of the 2014 Plan. |  |  |  |  |  |  |  |  |
2014 Plan | RSUs [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options, vesting period |  |  |  |  |  |  |  | 4 years | 4 years |  |  |  |  |  |  |  |  |
2014 Plan | RSUs [Member] | Independent Directors |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of share options granted | 130,000 | 130,000 | 130,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2014 Plan | Employee and Executives Share Option [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation | ¥ |  |  |  |  |  |  |  | ¥ 363,361 |  | ¥ 460,227 |  | 566,681 |  |  |  |  |  |
2015 Plan [Member] | Tantan Limited [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum aggregate number of shares issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,039,035 | 2,793,812 | 2,000,000 | 1,000,000
2018 Plan [Member] | Tantan Limited [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum aggregate number of shares issued |  |  |  |  | 5,963,674 |  |  |  |  |  |  |  |  |  | 29,818,370 |  |  |
Share based compensation arrangements expiration Period |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares reserved for issuance, description |  |  |  |  |  |  |  | the maximum aggregate number of shares which may be issued shall initially be 5,963,674 ordinary shares, plus that number of ordinary shares authorized for issuance under the 2015 Plan, in an amount equal to (i) the number of ordinary shares that were not granted pursuant to the 2015 Plan, plus (ii) the number of ordinary shares that were granted pursuant to the 2015 Plan that have expired without having been exercised in full or have otherwise become unexercisable. | the maximum aggregate number of shares which may be issued shall initially be 5,963,674 ordinary shares, plus that number of ordinary shares authorized for issuance under the 2015 Plan, in an amount equal to (i) the number of ordinary shares that were not granted pursuant to the 2015 Plan, plus (ii) the number of ordinary shares that were granted pursuant to the 2015 Plan that have expired without having been exercised in full or have otherwise become unexercisable. |  |  |  |  |  |  |  |  |
2018 Plan [Member] | Options classified as Equity Awards |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average remaining contractual term options outstanding |  |  |  |  |  |  |  | 6 years 6 months 29 days | 6 years 6 months 29 days | 6 years 9 months 3 days | 6 years 9 months 3 days |  |  |  |  |  |  |
Number of options, Granted |  |  |  |  |  |  |  | 926,300 | 926,300 |  |  |  |  |  |  |  |  |
2018 Plan [Member] | Options classified as Equity Awards | Tantan Limited [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options vested |  |  |  |  |  |  |  | 3,002,020 | 3,002,020 |  |  |  |  |  |  |  |  |
Options expected to vest |  |  |  |  |  |  |  | 1,133,298 |  |  |  |  |  | 1,133,298 |  |  |  |
Options expected to vest, weighted-average exercise price | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.26 |  |  |  |
Options expected to vest, Aggregate intrinsic value | $ |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  | $ 0 |  |  |  |
Weighted average fair value per option at grant date, Granted | $ / shares |  |  |  |  |  |  |  |  | $ 0 |  | $ 1.39 |  | $ 0 |  |  |  |  |
Share-based compensation | ¥ |  |  |  |  |  |  |  | ¥ 28,788 |  | ¥ 76,989 |  | 77,807 |  |  |  |  |  |
Unrecognized compensation expense | ¥ |  |  |  |  |  |  |  | ¥ 1,861 |  |  |  |  |  |  |  |  |  |
Weighted average recognition period |  |  |  |  |  |  |  | 1 year 3 months 21 days | 1 year 3 months 21 days |  |  |  |  |  |  |  |  |
Weighted average remaining contractual term options outstanding |  |  |  |  |  |  |  | 6 months 17 days | 6 months 17 days |  |  |  |  |  |  |  |  |
2018 Plan [Member] | Options classified as Liability Awards | Tantan Limited [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation | ¥ |  |  |  |  |  |  |  |  |  | ¥ (71,957) |  | ¥ 12,485 |  |  |  |  |  |
2018 Plan [Member] | Founders [Member] | Options classified as Liability Awards | Tantan Limited [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options, vesting period |  |  |  |  |  | 4 years |  |  |  |  |  |  |  |  |  |  |  |
Number of options, Granted |  |  |  |  |  | 17,891,025 |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Net number of share options (or share units) granted during the period. + 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)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + 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)(1)(iv)(01) -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 Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + 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 (e)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (e)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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