XML 62 R34.htm IDEA: XBRL DOCUMENT
v3.23.1

Net Income (Loss) per Share (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Net Income (Loss) per Share |
Schedule of computation of basic and diluted net (loss) income per share attributable to ordinary shareholders | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ | ​ | (Amount in Thousands, Except Share and Per Share Data)
​ |  | 2020 |  | 2021 |  | 2022
​ | ​ | Class A and Class B | ​ | Class A and Class B | ​ | Class A and Class B
Net (loss) income attributable to Class A and Class B ordinary shareholders |  | (745,225) |  | 1,314,131 |  | 976,571
Weighted average number of Class A and Class B ordinary shares outstanding—basic |  | 31,020,439 |  | 33,585,818 |  | 34,166,016
Plus: effect of dilutive stock options |  | — | ​ | 171,355 | ​ | 25,354
Plus: effect of dilutive non-vested restricted shares |  | — |  | 24,600 |  | 6,701
Weighted average number of Class A and Class B ordinary shares outstanding—diluted |  | 31,020,439 |  | 33,781,773 |  | 34,198,071
Basic net (loss) income per share |  | (24.02) |  | 39.12 |  | 28.58
Diluted net (loss) income per share |  | (24.02) |  | 38.90 |  | 28.56
​
Schedule of antidilutive net (loss) income per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years Ended December 31,
​ |  | 2020 |  | 2021 |  | 2022
Share options |  | 224,528 | ​ | 281,566 |  | 934,088
Non-vested restricted shares under share incentive plan |  | 103,373 | ​ | 41,255 |  | 114,307
Total |  | 327,901 | ​ | 322,821 |  | 1,048,395

X
- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration