Shareholders' Equity - Additional Information (Detail)
$ / shares in Units, ¥ in Thousands, $ in Thousands |
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1 Months Ended |
12 Months Ended |
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Jun. 27, 2025
CNY (¥)
shares
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Jun. 27, 2025
USD ($)
shares
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Nov. 30, 2024
CNY (¥)
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Nov. 30, 2024
USD ($)
shares
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Apr. 30, 2024
USD ($)
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Jul. 31, 2023
CNY (¥)
shares
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Apr. 30, 2023
CNY (¥)
shares
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Jan. 31, 2022
CNY (¥)
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Dec. 31, 2025
CNY (¥)
shares
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Dec. 31, 2025
USD ($)
shares
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Dec. 31, 2024
CNY (¥)
shares
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Dec. 31, 2024
USD ($)
$ / shares
shares
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Dec. 31, 2023
CNY (¥)
shares
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Dec. 31, 2025
USD ($)
shares
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Dec. 01, 2025
shares
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Jan. 08, 2024
shares
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Oct. 20, 2023
shares
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| Class of Stock [Line Items] |
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| Number of shares issued |
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10,800,000
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1,000,000
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778,890
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236,000
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| Conversion of ordinary shares |
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0
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0
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0
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0
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0
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| Stock Issued During Period, Value, New Issues | ¥ |
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¥ 693,596
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¥ 242,404
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| Consideration received from sale of stock |
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¥ 76
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$ 11
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4,532
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7,795
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| Additional paid-in capital |
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3,335,371
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2,923,178
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$ 476,952
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| Aggregate Issuance Cost |
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271
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$ (37)
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| Share Repurchase Program, Authorized, Amount | $ |
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$ 30,000
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| Treasury Stock, Value |
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¥ 10,085
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¥ 10,085
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$ 1,442
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| Conversion of Stock, Type of Stock Converted |
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Class B ordinary shares were converted to Class A ordinary shares
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Class B ordinary shares were converted to Class A ordinary shares
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Class B ordinary share was converted to Class A ordinary share
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Class B ordinary share was converted to Class A ordinary share
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| Common Stock, Shares, Issued |
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10,800,000
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1,000,000
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778,890
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236,000
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| Qingdao Investor [Member] |
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| Class of Stock [Line Items] |
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| Additional paid-in capital | ¥ |
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66,484
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| South Korean Investor [Member] |
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| Class of Stock [Line Items] |
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| Additional paid-in capital | ¥ |
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163,560
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| Zhuhai Investor [Member] |
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| Class of Stock [Line Items] |
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| Additional paid-in capital | ¥ |
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¥ 90,330
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| Middle East Investor [Member] |
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| Class of Stock [Line Items] |
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| Additional paid-in capital | ¥ |
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71,786
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| Additional Paid-in Capital [Member] |
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| Class of Stock [Line Items] |
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| Stock Issued During Period, Value, New Issues | ¥ |
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¥ 693,586
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242,399
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| Restricted Stock Units (RSUs) [Member] |
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| Class of Stock [Line Items] |
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| Payment of tax witheld share based compensation | ¥ |
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¥ 11,230
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| Restricted Stock Units (RSUs) [Member] | Additional Paid-in Capital [Member] |
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| Class of Stock [Line Items] |
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| Adjustment related to tax withholding for share based compensation | ¥ |
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¥ 11,230
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| At Market Offering [Member] |
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| Class of Stock [Line Items] |
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| Number of shares issued |
2,769,184
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2,769,184
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| Stock Issued During Period, Value, New Issues |
¥ 170,146
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$ 23,757
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| Adjustments to additional paid in capital, stock issued, issuance costs |
¥ 4,577
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$ 639
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| Common Stock, Shares, Issued |
2,769,184
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2,769,184
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| Sale of Stock, Number of Shares Issued in Transaction |
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9,231,510
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9,231,510
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| At Market Offering [Member] | Bank of New York Mellon [Member] |
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| Class of Stock [Line Items] |
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| Number of shares issued |
1,400,000
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1,400,000
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| Common Stock, Shares, Issued |
1,400,000
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1,400,000
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| Common Class B [Member] |
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| Class of Stock [Line Items] |
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| Number of shares issued |
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39,026,560
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39,026,560
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39,026,560
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| Ordinary shares, shares outstanding |
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39,026,560
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39,026,560
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39,026,560
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| Common Stock, Shares, Issued |
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39,026,560
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39,026,560
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39,026,560
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| Common Class A [Member] |
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| Class of Stock [Line Items] |
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| Number of shares issued |
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111,736,100
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106,532,825
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111,736,100
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| Ordinary shares, shares outstanding |
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111,215,614
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104,828,035
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111,215,614
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| Ordinary shares reserved for future issuance |
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520,486
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1,704,790
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520,486
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| Additional paid-in capital | ¥ |
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¥ 5,999
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¥ 12,355
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| Common Stock, Shares, Issued |
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111,736,100
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106,532,825
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111,736,100
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| Common Class A [Member] | 2019 Plans [Member] |
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| Class of Stock [Line Items] |
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| Number of shares issued |
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110,180
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221,224
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| Common Stock, Shares, Issued |
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110,180
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221,224
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| Common Class A [Member] | Qingdao Investor [Member] |
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| Class of Stock [Line Items] |
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| Number of shares issued |
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3,466,204
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| Stock Issued During Period, Value, New Issues | ¥ |
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¥ 66,486
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| Adjustments to additional paid in capital, stock issued, issuance costs | ¥ |
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¥ 2,374
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| Common Stock, Shares, Issued |
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3,466,204
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| Common Class A [Member] | South Korean Investor [Member] |
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| Class of Stock [Line Items] |
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| Number of shares issued |
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4,183,510
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| Stock Issued During Period, Value, New Issues | ¥ |
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¥ 163,563
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| Adjustments to additional paid in capital, stock issued, issuance costs | ¥ |
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¥ 1,000
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| Common Stock, Shares, Issued |
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4,183,510
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| Common Class A [Member] | Strategic Investor [Member] |
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| Class of Stock [Line Items] |
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| Number of shares issued |
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1,351,488
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| Stock Issued During Period, Value, New Issues |
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¥ 71,786
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$ 10,000
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| Common Stock, Shares, Issued |
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1,351,488
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| Common Class A [Member] | Zhuhai Investor [Member] |
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| Class of Stock [Line Items] |
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| Number of shares issued |
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1,866,666
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| Stock Issued During Period, Value, New Issues |
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¥ 90,603
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$ 12,600
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| Common Stock, Shares, Issued |
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1,866,666
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| Common Class A [Member] | Additional Paid-in Capital [Member] | 2019 Plans [Member] |
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| Class of Stock [Line Items] |
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| Stock Issued During Period, Value, New Issues |
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¥ 5,999
|
$ (822)
|
¥ 12,355
|
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| Common Class A [Member] | Restricted Stock Units (RSUs) [Member] |
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| Class of Stock [Line Items] |
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| Number of shares issued |
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3,614,413
|
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3,614,413
|
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| Ordinary shares held by depository bank |
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|
811,138
|
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811,138
|
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| Ordinary shares reserved for future issuance |
|
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|
461,516
|
|
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| Common Stock, Shares, Issued |
|
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|
|
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|
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|
3,614,413
|
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|
3,614,413
|
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| Common Class A [Member] | At Market Offering [Member] |
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| Class of Stock [Line Items] |
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| Additional paid-in capital |
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|
|
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|
¥ 165,567
|
|
525,471
|
|
|
$ 23,676
|
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| American Depository Shares [Member] |
|
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| Class of Stock [Line Items] |
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| Adjustments to additional paid in capital, stock issued, issuance costs |
|
|
|
|
|
|
|
|
|
|
16,518
|
2,324
|
|
|
|
|
|
| Consideration received from sale of stock | $ |
|
|
|
|
$ 100,000
|
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|
| Proceeds from Sale of Held-to-Maturity Securities |
|
|
|
|
|
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|
¥ 541,997
|
$ 76,243
|
|
|
|
|
|
| Treasury Stock, Shares, Acquired |
|
|
|
|
|
|
|
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|
100,000
|
100,000
|
|
|
|
|
|
| Treasury Stock, Value | ¥ |
|
|
|
|
|
|
|
|
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|
¥ 10,085
|
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| Shares Acquired, Average Cost Per Share | $ / shares |
|
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|
$ 13.99
|
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