XML 72 R62.htm IDEA: XBRL DOCUMENT
v3.23.2

Stockholders' Equity (Details) ¥ / shares in Units, $ / shares in Units, ¥ in Thousands |  | 6 Months Ended | 10 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Nov. 29, 2022 USD ($) shares | Nov. 29, 2022 CNY (¥) ¥ / shares shares | Jun. 30, 2023 USD ($) $ / shares shares | Jun. 30, 2023 USD ($) $ / shares shares | Dec. 31, 2022 shares | Nov. 28, 2022 | Nov. 16, 2022 USD ($)
Capital Unit [Line Items] |  |  |  |  |  |  |
Total proceeds | $ |  |  |  | $ 70,339,000 |  |  |
Convertible debt into Class A common shares |  |  |  |  |  |  |
Capital Unit [Line Items] |  |  |  |  |  |  |
Number of shares issued in transaction (in shares) | shares |  |  |  | 7,351,259 |  |  |
Price per share of stock sold (in yuan per share) | $ / shares |  |  | $ 9.57 | $ 9.57 |  |  |
Redemption of shares (in shares) | shares |  |  | 0 |  | 1,112,524 |  |
Stock repurchase program, remaining authorized repurchase amount | $ |  |  | $ 42,596,000 | $ 42,596,000 |  |  |
Maximum | Convertible debt into Class A common shares |  |  |  |  |  |  |
Capital Unit [Line Items] |  |  |  |  |  |  |
Stock repurchase program, authorized amount | $ |  |  |  |  |  |  | $ 50,000,000
Maximum | Convertible debt into Class A common shares | 2027 Notes | Senior notes |  |  |  |  |  |  |
Capital Unit [Line Items] |  |  |  |  |  |  |
Stock repurchase program, authorized amount | $ |  |  |  |  |  |  | $ 25,000,000
Ay Dee Kay, LLC |  |  |  |  |  |  |
Capital Unit [Line Items] |  |  |  |  |  |  |
Ownership interest by noncontrolling owners |  |  | 26.00% | 26.00% |  |  |
Ay Dee Kay, LLC | Wuxi indie Microelectronics Ltd. |  |  |  |  |  |  |
Capital Unit [Line Items] |  |  |  |  |  |  |
Ownership interest by noncontrolling owners |  | 38.00% |  |  |  | 45.00% |
Wuxi indie Microelectronics Ltd. | Private Placement |  |  |  |  |  |  |
Capital Unit [Line Items] |  |  |  |  |  |  |
Total proceeds | $ 42,000,000 | ¥ 300,000 |  |  |  |  |
Number of shares issued in transaction (in shares) | shares | 371,160 | 371,160 |  |  |  |  |
Sale of stock, percentage of ownership after transaction | 16.00% | 16.00% |  |  |  |  |
Price per share of stock sold (in yuan per share) | ¥ / shares |  | ¥ 808.28 |  |  |  |  |
Sale of stock, percentage of applicable original issue price | 100.00% | 100.00% |  |  |  |  |
Sale of stock, percentage of annual simple premium | 8.00% | 8.00% |  |  |  |  |
Sale of stock, exchange of share, maximum | shares | 6,000,000 | 6,000,000 |  |  |  |  |

X
- Definition Sale of Stock, Exchange Of Share, Maximum + References No definition available. + Details
Name: | indi_SaleOfStockExchangeOfShareMaximum
Namespace Prefix: | indi_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Sale of Stock, Percentage Of Annual Premium + References No definition available. + Details
Name: | indi_SaleOfStockPercentageOfAnnualSimplePremium
Namespace Prefix: | indi_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Sale of Stock, Percentage Of Applicable Original Issue Price + References No definition available. + Details
Name: | indi_SaleOfStockPercentageOfApplicableOriginalIssuePrice
Namespace Prefix: | indi_
Data Type: | dtr-types1:percentItemType
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_CapitalUnitLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Cash received on stock transaction after deduction of issuance costs. + References No definition available. + Details
Name: | us-gaap_SaleOfStockConsiderationReceivedOnTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of shares issued or sold by the subsidiary or equity method investee per stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockPricePerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481004/946-505-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(4)(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-3 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-03(i)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479886/946-10-S99-3 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_StockRepurchasedDuringPeriodShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=indi_FourPointFiveZeroPercentSeniorNotesDueTwoThousandTwentySevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=indi_AyDeeKayLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeAxis=indi_WuxiIndieMicroelectronicsLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=indi_WuxiIndieMicroelectronicsLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_PrivatePlacementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |