Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Narrative (Details)

v3.20.4
Commitments and Contingencies - Narrative (Details)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2020
USD ($)
leaseRenewalPeriod
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Loss Contingencies [Line Items]        
Sublease rentals       $ 2,200
Gain on sale of property   $ 1,108 $ 0 $ 0
Cash payments   $ 3,700 $ 5,700  
Weighted average remaining lease term   5 years 9 months 18 days    
Weighted average discount rate, percent   5.40%    
Miami, Florida        
Loss Contingencies [Line Items]        
Net book value $ 1,300      
Sale price $ 2,600      
Operating lease term 6 years      
Number of renewal options | leaseRenewalPeriod 2      
Operating lease renewal term 5 years      
Gain on sale of property $ 1,100      
Gain on sale of property $ 200      
Operating Leases | Minimum        
Loss Contingencies [Line Items]        
Lease term   2 years    
Operating Leases | Maximum        
Loss Contingencies [Line Items]        
Lease term   15 years