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

COMMON STOCK AND CONVERTIBLE PREFERRED STOCK (Details)

v3.21.2
COMMON STOCK AND CONVERTIBLE PREFERRED STOCK (Details) - shares
Jun. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Class of Stock [Line Items]      
Shares Authorized 1,000,000 1,000,000  
Shares issued and outstanding   4,581,404 3,672,129
Airspan [Member]      
Class of Stock [Line Items]      
Shares Authorized 9,293,156 9,293,156 7,862,263
Shares issued and outstanding 4,594,410 4,581,404  
Convertible Preferred Stock Series B [Member]      
Class of Stock [Line Items]      
Shares Authorized   72,123,000  
Shares issued and outstanding   72,123,000
Convertible Preferred Stock Series B [Member] | Airspan [Member]      
Class of Stock [Line Items]      
Shares Authorized 72,123,000    
Shares issued and outstanding  
Convertible Preferred Stock Series B 1 [Member]      
Class of Stock [Line Items]      
Shares Authorized   72,123  
Shares issued and outstanding   72,123
Convertible Preferred Stock Series B 1 [Member] | Airspan [Member]      
Class of Stock [Line Items]      
Shares Authorized 72,123    
Shares issued and outstanding 72,123 72,123  
Convertible Preferred Stock Series C [Member]      
Class of Stock [Line Items]      
Shares Authorized   416,667  
Shares issued and outstanding   416,667
Convertible Preferred Stock Series C [Member] | Airspan [Member]      
Class of Stock [Line Items]      
Shares Authorized 416,667    
Shares issued and outstanding  
Convertible Preferred Stock Series C 1 [Member]      
Class of Stock [Line Items]      
Shares Authorized   416,667  
Shares issued and outstanding   416,667
Convertible Preferred Stock Series C 1 [Member] | Airspan [Member]      
Class of Stock [Line Items]      
Shares Authorized 416,667    
Shares issued and outstanding 416,667 416,667  
Convertible Preferred Stock Series D [Member]      
Class of Stock [Line Items]      
Shares Authorized   2,142,050  
Shares issued and outstanding   1,080,993 1,450,993
Convertible Preferred Stock Series D [Member] | Airspan [Member]      
Class of Stock [Line Items]      
Shares Authorized 2,142,050    
Shares issued and outstanding 1,080,993 1,080,993  
Convertible Preferred Stock Series D 1 [Member]      
Class of Stock [Line Items]      
Shares Authorized   487,805  
Shares issued and outstanding   325,203 325,203
Convertible Preferred Stock Series D 1 [Member] | Airspan [Member]      
Class of Stock [Line Items]      
Shares Authorized 487,805    
Shares issued and outstanding 325,203 325,203  
Convertible Preferred Stock Series D 2 [Member]      
Class of Stock [Line Items]      
Shares Authorized   2,142,050  
Shares issued and outstanding   370,000
Convertible Preferred Stock Series D 2 [Member] | Airspan [Member]      
Class of Stock [Line Items]      
Shares Authorized 2,142,050    
Shares issued and outstanding 370,000 370,000  
Senior Convertible Preferred Stock Series E [Member]      
Class of Stock [Line Items]      
Shares Authorized   1,008,742  
Shares issued and outstanding   615,231 615,231
Senior Convertible Preferred Stock Series E [Member] | Airspan [Member]      
Class of Stock [Line Items]      
Shares Authorized 1,008,742    
Shares issued and outstanding 615,231 615,231  
Senior Convertible Preferred Stock Series E 1 [Member]      
Class of Stock [Line Items]      
Shares Authorized   659,310  
Shares issued and outstanding   393,511 393,511
Senior Convertible Preferred Stock Series E 1 [Member] | Airspan [Member]      
Class of Stock [Line Items]      
Shares Authorized 659,310    
Shares issued and outstanding 393,511 393,511  
Senior Convertible Preferred Stock Series F [Member]      
Class of Stock [Line Items]      
Shares Authorized   398,401  
Shares issued and outstanding   352,076 352,076
Senior Convertible Preferred Stock Series F [Member] | Airspan [Member]      
Class of Stock [Line Items]      
Shares Authorized 398,401    
Shares issued and outstanding 352,076 352,076  
Senior Convertible Preferred Stock Series F 1 [Member]      
Class of Stock [Line Items]      
Shares Authorized   46,325  
Shares issued and outstanding   46,325 46,325
Senior Convertible Preferred Stock Series F 1 [Member] | Airspan [Member]      
Class of Stock [Line Items]      
Shares Authorized 46,325    
Shares issued and outstanding 46,325 46,325  
Senior Convertible Preferred Stock Series G [Member]      
Class of Stock [Line Items]      
Shares Authorized   740,987  
Shares issued and outstanding   740,987
Senior Convertible Preferred Stock Series G [Member] | Airspan [Member]      
Class of Stock [Line Items]      
Shares Authorized 740,987    
Shares issued and outstanding 740,987 740,987  
Senior Convertible Preferred Stock Series G 1 [Member]      
Class of Stock [Line Items]      
Shares Authorized   202,100  
Shares issued and outstanding  
Senior Convertible Preferred Stock Series G 1 [Member] | Airspan [Member]      
Class of Stock [Line Items]      
Shares Authorized 202,100    
Shares issued and outstanding  
Senior Convertible Preferred Stock Series H [Member]      
Class of Stock [Line Items]      
Shares Authorized   487,806  
Shares issued and outstanding   168,288
Senior Convertible Preferred Stock Series H [Member] | Airspan [Member]      
Class of Stock [Line Items]      
Shares Authorized 487,806    
Shares issued and outstanding 181,294 168,288