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Subsequent Events (Details) - USD ($) $ in Thousands	1 Months Ended		6 Months Ended	9 Months Ended		12 Months Ended
	Oct. 31, 2021	Jan. 31, 2021	Jun. 30, 2021	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jul. 23, 2021	Feb. 28, 2021	Jan. 04, 2021
Subsequent Events (Details) [Line Items]
Interest rate											6.00%
Convertible promissory notes										$ 32,500
Proceeds from bank loans				$ 26,603	$ 15,230	$ 17,308	$ 17,735	$ 62,432
Payment for PP&E	$ 11,000
Subsequent Event [Member]
Subsequent Events (Details) [Line Items]
Convertible promissory notes											$ 57,500
Convertible promissory notes		$ 25,000
Acquisition of building cost		$ 18,300
Proceeds from bank loans			$ 9,921
Restricted Stock Units (RSUs) [Member]
Subsequent Events (Details) [Line Items]
Granted shares (in Shares)									265,399
Phantom Share Units (PSUs) [Member]
Subsequent Events (Details) [Line Items]
Granted shares (in Shares)									265,399
PRC [Member] | Minimum [Member] | Subsequent Event [Member]
Subsequent Events (Details) [Line Items]
Interest rate			5.00%
PRC [Member] | Maximum [Member] | Subsequent Event [Member]
Subsequent Events (Details) [Line Items]
Interest rate			6.00%

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The capitalized costs incurred during the period (excluded from amortization) to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties.

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Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

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Contractual interest rate for funds borrowed, under the debt agreement.

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