XML 110 R93.htm IDEA: XBRL DOCUMENT
v3.21.1

EARNINGS (LOSSES) PER SHARE - Computation of diluted earnings (Details) - shares | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2018
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Securities which could potentially dilute basic earnings per share which were excluded from the computation of diluted earnings per share | 25,422,897 | 530,009
Outstanding employee options and nonvested restricted stocks |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Securities which could potentially dilute basic earnings per share which were excluded from the computation of diluted earnings per share | 7,095,408 | 530,009
Shares of convertible senior notes |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Securities which could potentially dilute basic earnings per share which were excluded from the computation of diluted earnings per share | 18,327,489 |

X
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_StockCompensationPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_ConvertibleDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |