Quarterly report pursuant to Section 13 or 15(d)

Recently Issued Accounting Pronouncements (Narrative) (Details)

v3.21.2
Recently Issued Accounting Pronouncements (Narrative) (Details) - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
May 10, 2021
May 05, 2021
Dec. 31, 2020
Sep. 30, 2020
Mar. 31, 2020
Business Acquisition [Line Items]                    
Other assets   $ 42,401,000   $ 42,401,000       $ 41,282,000    
Revenues   193,458,000 $ 68,225,000 339,712,000 $ 224,522,000          
Property and equipment, net   90,562,000   90,562,000       90,049,000    
Junior subordinated debentures   134,448,000   134,448,000       138,177,000    
Severance costs     2,200,000   6,700,000          
Payroll and payroll benefit expense     10,700,000   11,600,000          
Cash and cash equivalents $ 323,724,000 216,112,000 323,724,000 216,112,000 323,724,000     221,118,000    
Line of credit, outstanding                   $ 60,000,000
Repayments of lines of credit 40,000,000                  
Allowance for loan losses $ 12,000,000.0   $ 12,000,000.0   $ 12,000,000.0          
Notes, Loans and Financing Receivable, Gross   560,320,000   560,320,000       551,393,000    
Prepaid expenses   21,525,000   21,525,000       9,367,000    
90 Days Or More [Member]                    
Business Acquisition [Line Items]                    
Notes, Loans and Financing Receivable, Gross   $ 19,700,000   $ 19,700,000       $ 24,000,000.0    
Bluegreen [Member]                    
Business Acquisition [Line Items]                    
Consolidated method ownership percentage           93.00% 7.00%      
Class A Common Stock [Member]                    
Business Acquisition [Line Items]                    
Common stock, shares authorized   30,000,000   30,000,000       30,000,000    
Class B Common Stock [Member]                    
Business Acquisition [Line Items]                    
Common stock, shares authorized   4,000,000   4,000,000       4,000,000    
Spin-off [Member]                    
Business Acquisition [Line Items]                    
Debt instrument, face amount   $ 75,000,000.0   $ 75,000,000.0         $ 75,000,000.0  
Interest rate                 6.00%  
Deferred interest rate                 8.00%  
Debt instrument term       5 years            
Liberty Bank Facility [Member]                    
Business Acquisition [Line Items]                    
Maximum borrowing capacity   40,000,000.0   $ 40,000,000.0            
Accounting Standards Update 2020-04 [Member] | LIBOR Indexed Junior Subordinated Debentures [Member]                    
Business Acquisition [Line Items]                    
Junior subordinated debentures   170,900,000   170,900,000            
Accounting Standards Update 2020-04 [Member] | LIBOR Indexed Receivable-backed Notes Payable And Lines Of Credit [Member]                    
Business Acquisition [Line Items]                    
Receivable-backed notes payable and lines of credit   70,900,000   70,900,000            
Accounting Standards Update 2020-04 [Member] | LIBOR Line Of Credit And Notes Payable [Member]                    
Business Acquisition [Line Items]                    
Notes And Loans Payable   $ 108,100,000   $ 108,100,000            
Prime Rate [Member] | Liberty Bank Facility [Member]                    
Business Acquisition [Line Items]                    
Basis spread on rate       0.10%