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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Organization and business - Additional Information (Details) $ in Thousands, ¥ in Millions	1 Months Ended
	Apr. 30, 2020 CNY (¥)	Apr. 30, 2020 USD ($)	May 31, 2017 USD ($)	Sep. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Aug. 31, 2018
Organization And Principal Activities [Line Items]
Equity Method Investment, Ownership Percentage			15.84%
Equity interests acquired (as a percent)					47.90%
Consideration for additional equity interest acquired			$ 0
Hubei Henglong & KYB Automobile Electric Steering System Co., Ltd., "Henglong KYB" [Member]
Organization And Principal Activities [Line Items]
Equity Method Investment, Ownership Percentage				66.60%		66.60%		66.60%
Wuhan Hyoseong
Organization And Principal Activities [Line Items]
Equity Method Investment, Ownership Percentage				51.00%		51.00%	51.00%
Changchun Hualong Automotive Technology Co Ltd Changchun Hualong [Member]
Organization And Principal Activities [Line Items]
Equity Method Investment, Ownership Percentage				100.00%
Equity interests acquired (as a percent)	100.00%	100.00%			52.10%
Consideration for additional equity interest acquired	¥ 1.2	$ 200
Hubei Henglong formed Wuhu Hongrun New Material Co., Ltd "Wuhu Hongrun" [Member]
Organization And Principal Activities [Line Items]
Equity Method Investment, Ownership Percentage						62.00%