Quarterly report pursuant to Section 13 or 15(d)

Organization And Basis Of Financial Statement Presentation (Narrative) (Details)

v3.21.1
Organization And Basis Of Financial Statement Presentation (Narrative) (Details)
1 Months Ended 3 Months Ended 12 Months Ended
Sep. 30, 2021
item
Oct. 22, 2020
USD ($)
Oct. 07, 2020
USD ($)
Mar. 31, 2020
USD ($)
item
Sep. 30, 2019
item
Mar. 31, 2021
USD ($)
item
$ / shares
shares
Mar. 31, 2020
USD ($)
item
shares
Dec. 31, 2016
item
Dec. 31, 2020
USD ($)
shares
Oct. 31, 2020
USD ($)
Sep. 30, 2020
USD ($)
Sep. 22, 2020
USD ($)
Dec. 31, 2019
USD ($)
Business Acquisition [Line Items]                          
Number of publicly-traded companies after spin-off | item 2                        
Number of common stock class | item           2              
Other assets           $ 28,641,000     $ 24,718,000        
Purchase and retirement, value           2,136,000              
Revenues           61,875,000 $ 48,181,000            
Revenue from customers           59,449,000 47,325,000            
Property and equipment, net           $ 7,856,000     7,803,000        
Number of votes per share | item           1              
Investments in and advances to unconsolidated real estate joint ventures       $ 59,373,000   $ 60,402,000 59,373,000   58,010,000        
Loss from noncontrolling interest             551,000            
Cash and cash equivalents       17,642,000   87,807,000 17,642,000   90,037,000        
Impairment losses           22,384,000            
Goodwill       $ 14,864,000   6,936,000 $ 14,864,000   $ 8,277,000       $ 37,248,000
MOD Pizza [Member]                          
Business Acquisition [Line Items]                          
Number of stores open | item               60          
Number of stores transferred | item         7                
Number of stores terminated | item         2                
New BBX Capital [Member] | Notes Payable [Member]                          
Business Acquisition [Line Items]                          
Debt face amount           $ 75,000,000              
Interest rate           6.00%              
Deferred interest rate           8.00%              
IT'SUGAR, LLC [Member]                          
Business Acquisition [Line Items]                          
Number of stores open | item       100                  
Advance from subsidiary           $ 4,000,000         $ 2,000,000    
Goodwill                       $ 14,900,000  
BBX Capital Real Estate [Member] | Altman [Member]                          
Business Acquisition [Line Items]                          
Consolidated method ownership percentage           50.00%              
Class A Common Stock [Member]                          
Business Acquisition [Line Items]                          
Percent of voting power           22.00%              
Percentage of total common equity           81.00%              
Share repurchase program, value           $ 2,100,000       $ 10,000,000      
Share repurchased, price per share | $ / shares           $ 6.30              
Number of shares repurchased | shares           338,897              
Common stock, shares authorized | shares           30,000,000     30,000,000        
Class B Common Stock [Member]                          
Business Acquisition [Line Items]                          
Percent of voting power           78.00%              
Percentage of total common equity           19.00%              
Common stock, shares authorized | shares           4,000,000     4,000,000        
Renin [Member]                          
Business Acquisition [Line Items]                          
Number of major customers | item           3 2            
Renin [Member] | Reportable Segments [Member]                          
Business Acquisition [Line Items]                          
Revenues           $ 38,691,000 $ 17,446,000            
Cash and cash equivalents       $ 3,876,000   1,939,000 3,876,000            
Goodwill           6,936,000              
Renin [Member] | Revenue Benchmark [Member] | Customer Concentration Risk [Member]                          
Business Acquisition [Line Items]                          
Revenues           $ 9,400,000 $ 6,200,000            
Risk percentage           15.10% 12.80%            
Renin [Member] | Revenue Benchmark [Member] | Customer Two Concentration Risk [Member]                          
Business Acquisition [Line Items]                          
Revenues           $ 11,100,000 $ 5,500,000            
Risk percentage           17.90% 11.40%            
Renin [Member] | Revenue Benchmark [Member] | Customer Three Concentration Risk [Member]                          
Business Acquisition [Line Items]                          
Revenues           $ 10,900,000              
Risk percentage           17.70%              
Renin [Member] | Outside United States [Member]                          
Business Acquisition [Line Items]                          
Revenues             $ 5,400,000            
IT'SUGAR, LLC [Member]                          
Business Acquisition [Line Items]                          
Impairment losses             22,400,000            
IT'SUGAR, LLC [Member] | BBX Sweet Holdings [Member]                          
Business Acquisition [Line Items]                          
Consolidated method ownership percentage           93.00%              
Colonial Elegance [Member]                          
Business Acquisition [Line Items]                          
Purchase consideration           $ 43,089,000              
Goodwill           6,936,000              
Colonial Elegance [Member] | Renin [Member]                          
Business Acquisition [Line Items]                          
Purchase consideration   $ 43,100,000                      
DIP Facility [Member] | IT'SUGAR, LLC [Member]                          
Business Acquisition [Line Items]                          
Maximum borrowing capacity     $ 4,000,000                    
LIBOR [Member]                          
Business Acquisition [Line Items]                          
Line of credit, outstanding           46,800,000              
LIBOR [Member] | DIP Facility [Member] | IT'SUGAR, LLC [Member]                          
Business Acquisition [Line Items]                          
Basis spread on rate     1.50%                    
Trade Sales [Member]                          
Business Acquisition [Line Items]                          
Revenue from customers           45,914,000 40,886,000            
Trade Sales [Member] | Renin [Member]                          
Business Acquisition [Line Items]                          
Revenues           31,400,000 11,700,000            
Trade Sales [Member] | Renin [Member] | Reportable Segments [Member]                          
Business Acquisition [Line Items]                          
Revenue from customers           38,691,000 17,446,000            
Trade Sales [Member] | Renin [Member] | Outside United States [Member]                          
Business Acquisition [Line Items]                          
Revenues           14,300,000              
Sales Of Real Estate Inventory [Member]                          
Business Acquisition [Line Items]                          
Revenue from customers           $ 13,535,000 $ 6,439,000            
Restricted Stock [Member]                          
Business Acquisition [Line Items]                          
Anti-dilutive shares | shares             19,317,687