Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Contingent Earn-out (Details)

v3.21.2
Summary of Significant Accounting Policies - Contingent Earn-out (Details)
 9 Months Ended
Sep. 30, 2021
D
$ / shares
shares
Dec. 31, 2020
$ / shares
Business Acquisition, Contingent Consideration [Line Items]    
Earn-out shares issuable upon achieving certain milestones 15,000,000  
Par value common stock | $ / shares $ 0.0001 $ 0.0001
Triggering Event One    
Business Acquisition, Contingent Consideration [Line Items]    
Number of trading days | D 20  
Number of consecutive trading days | D 30  
Triggering Event Two    
Business Acquisition, Contingent Consideration [Line Items]    
Number of trading days | D 20  
Number of consecutive trading days | D 30  
Triggering Event Three    
Business Acquisition, Contingent Consideration [Line Items]    
Number of trading days | D 20  
Number of consecutive trading days | D 30  
Plan of merger with NHIC and Merger Sub    
Business Acquisition, Contingent Consideration [Line Items]    
Par value common stock | $ / shares $ 0.0001  
Plan of merger with NHIC and Merger Sub | Class A Common Stock    
Business Acquisition, Contingent Consideration [Line Items]    
Earn-out shares issuable upon achieving certain milestones 15,000,000  
Earn Out Shares Held By Legacy Shareholders 12,137,397  
Earn-out shares are subject to the share-based compensation 2,862,603  
Plan of merger with NHIC and Merger Sub | Triggering Event One | Class A Common Stock    
Business Acquisition, Contingent Consideration [Line Items]    
Earn-out shares issuable upon achieving certain milestones 5,000,000  
Earn-out shares perior for one-time issuance 5 years  
Plan of merger with NHIC and Merger Sub | Triggering Event One | Class A Common Stock | Minimum    
Business Acquisition, Contingent Consideration [Line Items]    
Share price | $ / shares $ 12.50  
Plan of merger with NHIC and Merger Sub | Triggering Event Two | Class A Common Stock    
Business Acquisition, Contingent Consideration [Line Items]    
Earn-out shares issuable upon achieving certain milestones 5,000,000  
Earn-out shares perior for one-time issuance 5 years  
Plan of merger with NHIC and Merger Sub | Triggering Event Two | Class A Common Stock | Minimum    
Business Acquisition, Contingent Consideration [Line Items]    
Share price | $ / shares $ 15.00  
Plan of merger with NHIC and Merger Sub | Triggering Event Three | Class A Common Stock    
Business Acquisition, Contingent Consideration [Line Items]    
Earn-out shares issuable upon achieving certain milestones 5,000,000  
Earn-out shares perior for one-time issuance 5 years  
Plan of merger with NHIC and Merger Sub | Triggering Event Three | Class A Common Stock | Minimum    
Business Acquisition, Contingent Consideration [Line Items]    
Share price | $ / shares $ 17.50