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Financing Arrangements (Details) - USD ($)
$ in Thousands
Jan. 30, 2015
Jun. 30, 2023
Apr. 05, 2023
Dec. 31, 2022
Financing Arrangements        
Long-term finance lease obligation   $ 44,455   $ 45,185
Long-term restricted cash   6,652   $ 752
Sale leaseback obligation        
Financing Arrangements        
Long-term finance lease obligation   45,800    
Security deposit   5,900    
Beverly Property Owner LLC | Building        
Financing Arrangements        
Proceeds from sale of corporate headquarters $ 48,900      
Lease term 22 years      
Silicon Valley Bank | Revolving credit facility        
Financing Arrangements        
Maximum borrowing capacity under the credit facility     $ 40,000  
Silicon Valley Bank | Sale leaseback obligation | Letter of credit        
Financing Arrangements        
Long-term restricted cash   $ 5,900