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Business Acquisitions and Investments (Details) $ in Thousands | 1 Months Ended | 6 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 31, 2023 USD ($) | Jun. 30, 2023 USD ($) | Mar. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Jul. 31, 2023 CNY (¥) | Dec. 31, 2022 | Mar. 31, 2018 USD ($) | Mar. 31, 2018 CNY (¥) | Apr. 30, 2014 USD ($)
Investments in and Advances to Affiliates, Balance [Abstract] |  |  |  |  |  |  |  |  |  |
Investments in unconsolidated affiliates |  |  |  | $ 24,751 | $ 24,050 |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  | $ 134,624 | $ 134,729 |  |  |  |  |
Foshan GWO YNG SMP Vehicle Climate Control & Cooling Products Co Ltd [Member] |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates, Balance [Abstract] |  |  |  |  |  |  |  |  |  |
Percentage of equity interest acquired |  | 15.00% |  | 80.00% |  | 15.00% | 65.00% | 15.00% | 15.00% | 50.00%
Investments in unconsolidated affiliates |  | $ 4,000 |  |  |  | ¥ 27,378,290 |  | $ 4,200 | ¥ 26,475,583 | $ 14,000
Total purchase consideration | [1] | 21,725 |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | 6,779 |  |  |  |  |  |  |  |
Receivables |  | 5,912 |  |  |  |  |  |  |  |
Inventory |  | 5,945 |  |  |  |  |  |  |  |
Other current assets |  | 528 |  |  |  |  |  |  |  |
Property, plant, and equipment, net |  | 2,924 |  |  |  |  |  |  |  |
Operating lease right-of-use assets |  | 4,372 |  |  |  |  |  |  |  |
Intangible assets | [2] | 532 |  |  |  |  |  |  |  |
Goodwill |  | 2,208 |  |  |  |  |  |  |  |
Long term investments and other assets |  | 7,257 |  |  |  |  |  |  |  |
Current liabilities |  | (6,004) |  |  |  |  |  |  |  |
Noncurrent operating lease liabilities |  | (3,455) |  |  |  |  |  |  |  |
Subtotal |  | 26,998 |  |  |  |  |  |  |  |
Fair value of acquired noncontrolling interest |  | (5,273) |  |  |  |  |  |  |  |
Net assets acquired |  | 21,725 |  |  |  |  |  |  |  |
Equity investment interest held |  |  | $ 17,700 |  |  |  |  |  |  |
Cash paid for the acquisition of equity interest |  | 4,000 |  |  |  |  |  |  |  |
Foshan GWO YNG SMP Vehicle Climate Control & Cooling Products Co Ltd [Member] | Temperature Control Segment [Member] |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |  |  |  |  |
Goodwill |  | 1,200 |  |  |  |  |  |  |  |
Foshan GWO YNG SMP Vehicle Climate Control & Cooling Products Co Ltd [Member] | Engineered Solutions Segment [Member] |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |  |  |  |  |
Goodwill |  | $ 1,000 |  |  |  |  |  |  |  |
Foshan GWO YNG SMP Vehicle Climate Control & Cooling Products Co Ltd [Member] | Customer Relationships [Member] |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates, Balance [Abstract] |  |  |  |  |  |  |  |  |  |
Estimated useful life of intangible assets |  | 10 years |  |  |  | 10 years |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |  |  |  |  |
Intangible assets |  | $ 400 |  |  |  |  |  |  |  |
Foshan GWO YNG SMP Vehicle Climate Control & Cooling Products Co Ltd [Member] | Capitalized Software [Member] |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |  |  |  |  |
Intangible assets |  | $ 100 |  |  |  |  |  |  |  |
[1] | Total purchase consideration is the sum of the fair value of the previously held equity investment interest in Gwo Yng of $17.7 million and the cash paid of $4 million for the acquisition of the additional 15% equity ownership interest.
[2] | Intangible assets consists of customer relationships of $0.4 million and capitalized software of $0.1 million.

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