XML 42 R30.htm IDEA: XBRL DOCUMENT v3.21.2
Leases - Additional Information (Details)
ft² in Thousands, $ in Thousands
 9 Months Ended
Sep. 30, 2021
USD ($)
ft²
renewal
Dec. 31, 2020
USD ($)
Lessee, Lease, Description [Line Items]    
Termination term 1 year  
Operating lease right-of-use assets $ 16,113 $ 14,016
Lease liability 17,594  
Expected cash payments $ 19,618  
Building    
Lessee, Lease, Description [Line Items]    
Area of lease | ft² 26  
Operating lease right-of-use assets $ 4,400  
Lease liability 4,400  
Expected cash payments $ 4,900  
Minimum    
Lessee, Lease, Description [Line Items]    
Number of renewal options | renewal 1  
Maximum    
Lessee, Lease, Description [Line Items]    
Number of renewal options | renewal 5