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Leases - Narrative (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
USD ($)
lease
Dec. 31, 2019
USD ($)
Dec. 31, 2020
USD ($)
Operating Leased Assets [Line Items]      
Impairment of ROU asset   $ 800  
Number of operating leases not yet commenced | lease 2    
Initial lease liability of operating leases that have not yet commenced $ 600    
Operating lease right-of-use assets $ 19,847   $ 19,522
Prepaid lease assets, remaining amortization period 4 years 3 months 18 days   3 years 8 months 12 days
Net book value of asset $ 74,647   $ 87,285
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Other Accrued Liabilities, Current   Other Accrued Liabilities, Current
Yangzhou      
Operating Leased Assets [Line Items]      
Operating lease right-of-use assets $ 2,300    
Prepaid lease assets, remaining amortization period 37 years    
Yangzhou | Buildings on prepaid land      
Operating Leased Assets [Line Items]      
Net book value of asset $ 15,000    
Remaining depreciable period of asset 17 years    
Four-year term      
Operating Leased Assets [Line Items]      
Term of operating lease that has not yet commenced 3 years    
Property subject to rent escalations | Maximum      
Operating Leased Assets [Line Items]      
Lessee term of contract 39 years