v3.25.2
ORDINARY SHARES - Additional Information (Details)
$ / shares in Units, ¥ in Thousands, $ in Thousands
 12 Months Ended
Sep. 25, 2018
shares
Aug. 23, 2018
USD ($)
Vote
$ / shares
shares
Aug. 23, 2018
USD ($)
$ / shares
shares
Jul. 31, 2015
shares
Dec. 31, 2024
CNY (¥)
shares
Dec. 31, 2023
CNY (¥)
shares
Dec. 31, 2022
CNY (¥)
shares
Dec. 31, 2021
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Dec. 31, 2018
shares
Dec. 31, 2024
$ / shares
shares
Dec. 31, 2023
$ / shares
shares
Mar. 31, 2020
USD ($)
Sep. 24, 2018
shares
Aug. 22, 2018
$ / shares
Jun. 30, 2018
shares
Dec. 31, 2017
shares
ORDINARY SHARES                                  
Common stock, par value per share | $ / shares   $ 0.0001 $ 0.0001                            
Preferred shares, par value | $ / shares   $ 0.00001 $ 0.00001                       $ 0.0001    
Number of ordinary shares   10                              
Surrendered percentage of ordinary shares after share split   90.00%                              
Stock, conversion basis         IPO, 16,145,454 issued Class A Ordinary Shares held by certain key management founders, 33,818,182 issued Pre-IPO Class B Ordinary Shares held by Red Better, and 67,636,364 issued Pre-IPO Class B Ordinary Shares held by Mr. Chen’s wholly-owned entity Viomi Limited was automatically converted by way of re-designation and re-classification into Class B Ordinary Shares on a one-for-one basis, and the rest of the outstanding Class A Ordinary Shares, the rest of the outstanding Pre-IPO Class B Ordinary Shares, and all outstanding Series A Preferred Shares was automatically converted by way of re-designation and re-classification into Class A Ordinary Shares on a one-for-one basis.                        
Issuance of ordinary shares for exercised share options (in shares)         355,543 176,883 956,256                    
Shares repurchases, consideration amount | ¥         ¥ 4,283 ¥ 6,440 ¥ 8,035                    
IPO                                  
ORDINARY SHARES                                  
Common stock, shares authorized   5,000,000,000 5,000,000,000                            
Ordinary shares, voting rights         Each Class A Ordinary Share is entitled to one vote, and each Class B Ordinary Share is entitled to ten (10) votes, voting together as one class                        
Dividends value of shares authorized | $   $ 50,000 $ 50,000                            
Stock, conversion basis         Each Class B Ordinary Share is convertible into one Class A Ordinary Share at any time by the holder thereof.                        
Shares issued 34,200,000                                
Class A ordinary shares                                  
ORDINARY SHARES                                  
Common stock, shares authorized   346,545,454 346,545,454               4,800,000,000 4,800,000,000          
Common stock, par value per share | $ / shares   $ 0.0001 $ 0.0001               $ 0.00001 $ 0.00001          
Ordinary shares, outstanding             104,539,463 105,516,779     101,059,544 101,902,544         25,363,636
Ordinary shares, voting rights         one                        
Common stock, shares issued   4,000,000 4,000,000               101,059,544 101,902,544       33,818,182  
Ordinary shares, transferred                               16,145,454  
Ordinary shares, surrendered                               17,672,728  
Fair value per share | $ / shares   $ 3.3 $ 3.3                            
Shares issued                   34,200,000              
Class B ordinary shares converted to Class A ordinary shares (in shares)         1,198,542 90,000 359,997 339,999   18,181,818              
Issuance of ordinary shares for exercised share options (in shares)         355,542 176,883 956,256 3,011,064                  
Shares repurchased during period           2,903,802 2,293,569 1,997,970 4,232,169                
Class A ordinary shares | Key Management Founders                                  
ORDINARY SHARES                                  
Common stock, shares issued                           16,145,454      
Class A ordinary shares | IPO                                  
ORDINARY SHARES                                  
Common stock, shares authorized   4,800,000,000 4,800,000,000                            
Common stock, par value per share | $ / shares   $ 0.00001 $ 0.00001                            
Ordinary shares, voting rights | Vote   1                              
Class B ordinary shares                                  
ORDINARY SHARES                                  
Common stock, shares authorized                     150,000,000 150,000,000          
Common stock, par value per share | $ / shares                     $ 0.00001 $ 0.00001          
Ordinary shares, outstanding             102,854,550 103,214,547     102,764,550 102,764,550          
Common stock, shares issued                     102,764,550 102,764,550          
Class B ordinary shares | Red Better Limited                                  
ORDINARY SHARES                                  
Common stock, shares issued                           33,818,182      
Class B ordinary shares | Viomi Limited                                  
ORDINARY SHARES                                  
Common stock, shares issued                           67,636,364      
Shares issued       67,636,364                          
Class B ordinary shares | IPO                                  
ORDINARY SHARES                                  
Common stock, shares authorized   150,000,000 150,000,000                            
Common stock, par value per share | $ / shares   $ 0.00001 $ 0.00001                            
Ordinary shares, voting rights | Vote   10                              
Designated Common Stock | IPO                                  
ORDINARY SHARES                                  
Common stock, shares authorized   50,000,000 50,000,000                            
Common stock, par value per share | $ / shares   $ 0.00001 $ 0.00001                            
ADR | IPO                                  
ORDINARY SHARES                                  
Shares issued 11,400,000                                
American Depositary Shares [Member]                                  
ORDINARY SHARES                                  
Share repurchase program, authorized amount | $                         $ 10,000        
Shares repurchased during period                 1,410,723                
Shares repurchases, consideration amount | $                 $ 8,030                
Shares repurchases, weighted average price per share | $ / shares                 $ 5.69