v3.21.2
Commitments and Contingencies - Narrative (Details)
ft² in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2021
USD ($)
Sep. 30, 2020
USD ($)
Jun. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
ft²
building
Sep. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
Other Commitments [Line Items]            
Number of buildings occupied | building       2    
Unoccupied lease charges $ 1,244 $ 1,468   $ 2,056 $ 2,136  
Restructured lease liability, current 8,658     8,658   $ 6,844
Restructured lease liability, non-current 63,700     63,700   $ 36,739
Rent expense 2,100 1,700   5,400 5,100  
Termination fee paid 7,600   $ 5,600      
Partnership termination charges $ 0 0 $ 13,200 $ 0 13,244  
Lease One            
Other Commitments [Line Items]            
Leased square feet | ft²       129    
Lease renewal term 10 years     10 years    
Lease Two            
Other Commitments [Line Items]            
Leased square feet | ft²       129    
Lease term 10 years     10 years    
Facilities            
Other Commitments [Line Items]            
Unoccupied lease charges $ 1,200 $ 1,500   $ 2,100 $ 2,100  
Restructured lease liability, current 1,200     1,200    
Restructured lease liability, non-current $ 2,200     $ 2,200