General form of registration statement for all companies including face-amount certificate companies

Subsequent Events - Additional Information (Detail)

v3.21.2
Subsequent Events - Additional Information (Detail)
$ / shares in Units, $ in Thousands
1 Months Ended 2 Months Ended 6 Months Ended 12 Months Ended
Aug. 05, 2021
shares
Mar. 01, 2021
USD ($)
Sep. 30, 2021
USD ($)
shares
May 31, 2021
USD ($)
Apr. 30, 2021
USD ($)
shares
Oct. 31, 2020
Feb. 28, 2021
USD ($)
Jun. 30, 2021
USD ($)
$ / shares
Jun. 30, 2020
USD ($)
Dec. 31, 2019
USD ($)
$ / shares
Dec. 31, 2020
USD ($)
$ / shares
Dec. 31, 2019
USD ($)
$ / shares
Apr. 01, 2020
USD ($)
Subsequent Event [Line Items]                          
Proceeds from issuance of convertible notes payable                   $ 42,334      
Par value of exchanged shares | $ / shares               $ 0.0001   $ 0.0001 $ 0.0001 $ 0.0001  
Debt instrument interest rate stated percentage           8.00%              
Debt instrument maturity date           Jan. 29, 2022              
Proceeds from issuance of long term debt               $ 70,000 $ 1,709   $ 30,937 $ 0  
Restricted cash                   $ 153 0 153  
Debt issuance costs, net               12,058   $ 0 4,798 $ 0  
Line of Credit [Member]                          
Subsequent Event [Line Items]                          
Line of credit facility, Remaining borrowing capacity                     $ 19,700    
New Spire [Member]                          
Subsequent Event [Line Items]                          
Net proceeds raised from closing of merger               236,632          
New Spire [Member] | NavSight Holdings Inc [Member]                          
Subsequent Event [Line Items]                          
Net proceeds raised from closing of merger               $ 236,632          
New Spire [Member] | Common Class A [Member] | NavSight Holdings Inc [Member]                          
Subsequent Event [Line Items]                          
Par value of exchanged shares | $ / shares               $ 0.0001          
Common stock exchange ratio               1.7058          
Contingent earnout exchange ratio               0.1236          
Stock options exchange ratio               1.8282          
Warrants exchange ratio               1.7058          
Subsequent Event [Member]                          
Subsequent Event [Line Items]                          
Debt instrument interest rate effective percentage         9.00%                
Debt instrument face amount         $ 70,000                
Debt instrument interest rate stated percentage         8.50%                
Debt instrument, Termination terms         terminate                
Debt instrument, Frequency of periodic payment         quarterly                
Debt instrument maturity date         Apr. 15, 2026                
Debt instrument, Collateral         all assets                
Subsequent Event [Member] | Eastward Loan Facility [Member]                          
Subsequent Event [Line Items]                          
Line of credit facility, Remaining borrowing capacity       $ 10,000                  
Subsequent Event [Member] | New Spire Stockholders [Member]                          
Subsequent Event [Line Items]                          
Equity method investment, Ownership percentage   100.00%                      
Percentage of fully diluted shares of common stock held   67.00%                      
Subsequent Event [Member] | Convertible Debt [Member] | Convertible Promissory Notes [Member]                          
Subsequent Event [Line Items]                          
Proceeds from issuance of convertible notes payable       $ 20,000     $ 20,000            
Debt instrument term             4 years            
Debt instrument interest rate stated percentage             8.00%            
Subsequent Event [Member] | Convertible Debt [Member] | Convertible Promissory Notes [Member] | Stated Maturity Date [Member]                          
Subsequent Event [Line Items]                          
Debt instrument maturity date       Jan. 29, 2022                  
Subsequent Event [Member] | Convertible Debt [Member] | Convertible Promissory Notes [Member] | Extended Maturity Date [Member]                          
Subsequent Event [Line Items]                          
Debt instrument maturity date       Jul. 31, 2022                  
Subsequent Event [Member] | Convertible Debt [Member] | Convertible Promissory Notes [Member] | Stockholders Borrower [Member]                          
Subsequent Event [Line Items]                          
Debt instrument face amount             $ 1,232            
Subsequent Event [Member] | FP Term Loan [Member]                          
Subsequent Event [Line Items]                          
Debt instrument interest rate effective percentage       4.00%                  
Debt instrument face amount                         $ 70,000
Proceeds from issuance of long term debt       $ 70,000                  
Debt issuance costs, net       $ 4,180                  
Debt instrument, Basis for effective rate       upon closing of the merger with NavSight, the interest rate on the FP Term                  
Subsequent Event [Member] | Line of Credit [Member] | Eastward Loan Facility [Member]                          
Subsequent Event [Line Items]                          
Percentage of repayment fee       3.50%                  
Subsequent Event [Member] | Line of Credit [Member] | Reserve Created To Meet Warrants Redemption [Member] | Eastward Loan Facility [Member]                          
Subsequent Event [Line Items]                          
Restricted cash       $ 12,801                  
Subsequent Event [Member] | Maximum [Member]                          
Subsequent Event [Line Items]                          
Amount subject to prepayment of debt         $ 70,000                
Subsequent Event [Member] | Minimum [Member]                          
Subsequent Event [Line Items]                          
Amount subject to prepayment of debt         0                
Subsequent Event [Member] | Minimum [Member] | Three Month Period [Member]                          
Subsequent Event [Line Items]                          
Cash         $ 15,000                
Subsequent Event [Member] | NavSight Holdings Inc [Member]                          
Subsequent Event [Line Items]                          
Reimbursement payable   $ 5,000                      
Subsequent Event [Member] | NavSight Holdings Inc [Member] | Definitive Merger Agreement [Member]                          
Subsequent Event [Line Items]                          
Proceeds from business combination   475,000                      
Payments for merger related costs   31,000                      
Business combination, Consideration received from restricted investments held by acquiree   230,000                      
Business combination, consideration received from PIPE investors   $ 245,000                      
Subsequent Event [Member] | Exact Earth Limited [Member] | Definitive Agreement [Member]                          
Subsequent Event [Line Items]                          
Estimated purchase price     $ 161,200                    
Payments to acquire business     103,400                    
Business combination consideration transferred equity interests issued and issuable     $ 57,800                    
Business acquisition equity interests issued or issuable,number of shares issued | shares     5,234,857                    
Percentage of dissent rights not having been exercised with respect to more than the outstanding common shares subject to customary closing conditions     10.00%                    
Subsequent Event [Member] | Common Stock [Member] | FP Term Loan [Member]                          
Subsequent Event [Line Items]                          
Debt instrument, Convertible, Number of equity instruments agreed | shares         573,176                
Subsequent Event [Member] | Amended Credit Agreement With FP Credit Partners LP [Member]                          
Subsequent Event [Line Items]                          
Shares Issued under debt conversion exchanged on closing of merger | shares 873,942                        
Debt instrument interest rate effective percentage 9.00%                        
Subsequent Event [Member] | Amended Credit Agreement With FP Credit Partners LP [Member] | FP Term Loan [Member]                          
Subsequent Event [Line Items]                          
Shares Issued under debt conversion exchanged on closing of merger | shares 873,942