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Fair Value Measurement of Assets and Liabilities - Financial Instruments Measured at Fair Value (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Liabilities    
Interest make-whole payment $ 300  
Recurring    
Assets    
Total assets 126 $ 126
Liabilities    
Total liabilities 317 926
Recurring | Interest make-whole provision    
Liabilities    
Interest make-whole payment 317 926
Recurring | Money market funds    
Assets    
Money market funds 126 126
Recurring | Level 1    
Assets    
Total assets 126 126
Liabilities    
Total liabilities 0 0
Recurring | Level 1 | Interest make-whole provision    
Liabilities    
Interest make-whole payment 0 0
Recurring | Level 1 | Money market funds    
Assets    
Money market funds 126 126
Recurring | Level 3    
Assets    
Total assets 0 0
Liabilities    
Total liabilities 317 926
Recurring | Level 3 | Interest make-whole provision    
Liabilities    
Interest make-whole payment 317 926
Recurring | Level 3 | Money market funds    
Assets    
Money market funds $ 0 $ 0