XML 106 R94.htm IDEA: XBRL DOCUMENT
v3.22.1

Share-Based Compensation (Details) - Schedule of weighted average assumptions - Profit Interest [Member] | 12 Months Ended
--- | ---
Dec. 31, 2021
Share-Based Compensation (Details) - Schedule of weighted average assumptions [Line Items] |
Risk-free rate | 1.50%
Volatility factor | 54.00%
Geometric Brownian Motion | 0.853%

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Geometric Brownian Motion. + References No definition available. + Details
Name: | indi_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsGeometricBrownianMotion
Namespace Prefix: | indi_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Rate of weighted-average expected volatility for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=indi_ProfitInterestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |