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SHARE BASED COMPENSATION (Tables) | 12 Months Ended
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Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Assumptions Used | The assumptions in the Black-Scholes option-pricing models used to determine the fair value of 2022 PRC stock options granted during the years ended December 31, 2022 were as follows: ​
​ | ​ | ​ | ​ | ​
​ |  | Year Ended December 31, 2022 |
Expected term (months) |  | ​ | 24, 36, and 48 months from the date of grant | ​
Expected dividends |  | ​ | 0.96 | %
Expected volatility |  | ​ | 51.86%-54.00 | %
Risk-free interest rate |  | ​ | 1.76%-2.18 | %
Fair value of common stock |  | $ | 8.15 | ​
Weighted average exercise price |  | $ | 4.76 | ​
​
Summary of Stock Option Activity | A summary of the aggregate option activity and information regarding options outstanding as of December 31, 2022 is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | Weighted |  | Weighted |  | Weighted | ​ | ​
​ | ​ | ​ | ​ | Average | ​ | Average | ​ | Average | ​ | Aggregate
​ | ​ | Number of | ​ | Exercise | ​ | Remaining | ​ | Grant Date | ​ | Intrinsic
​ |  | Options |  | Price |  | Contract Life |  | Fair Value |  | Value
Options outstanding on January 1, 2022 |  | 1,775,417 | ​ | 0.59 | ​ | 2.74 | ​ | 0.73 | ​ | 13,261
Granted |  | — | ​ | — | ​ | — | ​ | — | ​ | —
Forfeited |  | — | ​ | — | ​ | — | ​ | — | ​ | —
Expired |  | — | ​ | — | ​ | — | ​ | — | ​ | —
Exercised |  | (1,672,350) | ​ | 0.59 | ​ | — | ​ | 0.74 | ​ | 19,410
Options outstanding on December 31, 2022 |  | 103,067 | ​ | 0.59 | ​ | 2.08 | ​ | 0.58 | ​ | 735
Options exercisable on December 31, 2022 |  | 103,067 | ​ | 0.59 | ​ | 2.08 | ​ | 0.58 | ​ | 735
​
Schedule of Nonvested Restricted Stock Units Activity | A summary of the non-vested RSU activity in 2022 is as follows: ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | Weighted
​ | ​ | ​ | ​ | Average
​ | ​ | Number of |  | Grant Date
​ | ​ | RSUs |  | Fair Value
Non-vested RSUs on January 1, 2022 |  | 10,289,352 | ​ | ​ | 1.38
Granted |  | 37,253,465 | ​ | ​ | 14.14
Vested |  | (26,770,640) | ​ | ​ | 11.01
Forfeited |  | (14,000) | ​ | ​ | 1.61
Non-vested RSUs on December 31, 2022 |  | 20,758,177 | ​ | ​ | 11.86
​
2022 Restricted Stock Incentive Plan |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Summary of Stock Option Activity | A summary of the aggregate 2022 PRC stock options activity and information regarding those stock options outstanding as of December 31, 2022 is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted | ​ | Weighted | ​ | Weighted | ​ |
​ | ​ | ​ | ​ | Average | ​ | Average | ​ | Average | ​ | Aggregate
​ | ​ | Number of | ​ | Exercise | ​ | Remaining | ​ | Grant Date | ​ | Intrinsic
​ |  | 2022 PRC stock options |  | Price |  | Contract Life |  | Fair Value |  | Value
2022 PRC stock options outstanding on January 1, 2022 |  | — |  | — |  | — |  | — |  | —
Granted |  | 23,660,000 |  | 4.76 |  | — |  | 3.94 |  | —
Forfeited |  | (100,000) |  | 4.76 |  | — |  | 3.94 |  | —
Expired |  | — |  | — |  | — |  | — |  | —
Exercised |  | — |  | — |  | — |  | — |  | —
2022 PRC stock options outstanding on December 31, 2022 |  | 23,560,000 |  | 4.76 |  | 2.59 |  | 3.94 |  | 50,143
2022 PRC stock options exercisable on December 31, 2022 |  | 23,560,000 |  | 4.76 |  | 2.59 |  | 3.94 |  | 50,143
​

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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 (f)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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