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- Definition

Sale of Stock, Exchange Of Share, Maximum

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Sale of Stock, Percentage Of Annual Premium

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- Definition

Sale of Stock, Percentage Of Applicable Original Issue Price

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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.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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- Definition

Cash received on stock transaction after deduction of issuance costs.

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

Amount of stock repurchase plan authorized.

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Amount remaining of a stock repurchase plan authorized.

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- 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.

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Stockholders' Equity (Details) ¥ / shares in Units, $ / shares in Units, ¥ in Thousands			1 Months Ended		3 Months Ended		12 Months Ended	19 Months Ended
	Nov. 29, 2022 USD ($) shares	Nov. 29, 2022 CNY (¥) ¥ / shares shares	Dec. 31, 2023 USD ($)	Dec. 31, 2023 CNY (¥)	Mar. 31, 2024 USD ($) shares	Mar. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2022 shares	Mar. 31, 2024 USD ($) shares	Mar. 24, 2024 USD ($)	Nov. 28, 2022	Nov. 16, 2022 USD ($)
Capital Unit [Line Items]
Total proceeds						$ 34,946,000			$ 70,339,000
Equity incentive plan, capital paid in			$ 12,346,000	¥ 87,959
Class A
Capital Unit [Line Items]
Number of shares issued in transaction (in shares) \| shares						3,316,198		7,351,259
Price per share of stock sold (in yuan per share) \| $ / shares						$ 10.54
Redemption of shares (in shares) \| shares					0		1,112,524
Stock repurchase program, remaining authorized repurchase amount					$ 42,596,000			$ 42,596,000
Maximum \| Class A
Capital Unit [Line Items]
Stock repurchase program, authorized amount											$ 50,000,000
Maximum \| Class A \| 2027 Notes \| Senior notes
Capital Unit [Line Items]
Stock repurchase program, authorized amount											$ 25,000,000
Wuxi Long-Term Incentive Plan
Capital Unit [Line Items]
Award vesting period			6 years	6 years
Total unrecognized compensation cost related to profit interests					$ 11,802,000			$ 11,802,000
Ay Dee Kay, LLC
Capital Unit [Line Items]
Ownership interest by noncontrolling owners					26.00%			26.00%
Ownership percentage by parent			90.00%	90.00%	90.00%			90.00%
Wuxi indie Microelectronics Ltd. \| Ay Dee Kay, LLC
Capital Unit [Line Items]
Ownership interest by noncontrolling owners		38.00%								45.00%
Wuxi indie Microelectronics Ltd. \| Ay Dee Kay, LLC
Capital Unit [Line Items]
Ownership interest by noncontrolling owners			34.00%	34.00%	34.00%			34.00%
Ownership percentage by parent		59.00%	59.00%	59.00%	59.00%			59.00%
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