XML 112 R98.htm IDEA: XBRL DOCUMENT v3.20.2
Related Party Transactions - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Aug. 31, 2020
Nov. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Jun. 30, 2020
May 01, 2020
Mar. 31, 2020
Jul. 01, 2017
Dec. 31, 2012
Related Party Transaction [Line Items]                        
Total revenue from related parties     $ 742,000 $ 66,658,000 $ 2,672,000 $ 149,012,000            
Converted instrument, amount         150,670,000 0            
Interest paid         56,607,000 53,772,000            
Unamortized premium, reclassified to additional paid-in capital     2,300,000   2,300,000              
Softbank Corp. | Equity Method Investee                        
Related Party Transaction [Line Items]                        
Accounts receivable             $ 2,400,000          
Softbank Corp. | Equity Method Investee | Service                        
Related Party Transaction [Line Items]                        
Total revenue from related parties     $ 700,000 1,000,000.0 $ 2,700,000 2,500,000            
NEA | Class B common stock                        
Related Party Transaction [Line Items]                        
Converted instrument, amount $ 33,900,000                      
Conversion of notes (in shares) 4,200,000                      
KPCB | Class B common stock                        
Related Party Transaction [Line Items]                        
Converted instrument, amount $ 6,900,000                      
Conversion of notes (in shares) 900,000                      
Foris Ventures LLC | Class B common stock                        
Related Party Transaction [Line Items]                        
Converted instrument, amount $ 10,000,000.0                      
Conversion of notes (in shares) 1,300,000                      
Convertible promissory notes | Convertible Promissory Notes Interest Rate 6% Due December 2020, Recourse                        
Related Party Transaction [Line Items]                        
Debt Instrument, Convertible, Principal Converted   $ 6,900,000                    
Convertible stock price (in dollars per share)   $ 11.25                    
Debt conversion, shares issued (in shares)   616,302                    
Interest rate percentage             6.00%          
Convertible promissory notes | Convertible Promissory Notes Interest Rate 6% Due December 2020, Recourse | Affiliated entity                        
Related Party Transaction [Line Items]                        
Interest rate percentage                     6.00%  
Term loan | Term Loan due September 2028, Non-Recourse                        
Related Party Transaction [Line Items]                        
Interest rate percentage     7.50%   7.50%   7.50%          
Convertible debt | Additional Convertible Notes                        
Related Party Transaction [Line Items]                        
Debt face amount               $ 30,000,000.0   $ 30,000,000.0    
Interest rate percentage                   10.00%    
Convertible debt | Convertible Promissory Notes Interest Rate 6% Due December 2020, Recourse                        
Related Party Transaction [Line Items]                        
Debt face amount                   $ 289,300,000    
Debt instrument, unamortized premium                 $ 4,300,000      
PPA IIIa                        
Related Party Transaction [Line Items]                        
Repayments of debt         $ 9,882,000   $ 6,631,000          
PPA IIIa | Term loan | Term Loan due September 2028, Non-Recourse                        
Related Party Transaction [Line Items]                        
Debt face amount                       $ 46,800,000
Interest rate percentage                       7.50%
PPA IIIa | Term loan | Term Loan due September 2028, Non-Recourse | Affiliated entity                        
Related Party Transaction [Line Items]                        
Repayments of debt     $ 0 500,000 2,100,000 1,700,000            
Interest paid     $ 0 $ 800,000 $ 700,000 $ 2,300,000