Quarterly report pursuant to Section 13 or 15(d)

Recently Issued Accounting Pronouncements (Narrative) (Details)

v3.22.2
Recently Issued Accounting Pronouncements (Narrative) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Sep. 30, 2020
Business Acquisition [Line Items]            
Revenues $ 235,570 $ 193,458 $ 430,624 $ 339,712    
Junior subordinated debentures 135,455   135,455   $ 134,940  
Cash and cash equivalents 222,076 $ 216,112 222,076 $ 216,112 140,225  
Prepaid expenses $ 24,615   $ 24,615   $ 25,855  
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
Interest rate           6.00%
Deferred interest rate           8.00%
Accounting Standards Update 2020-04 [Member] | LIBOR Indexed Junior Subordinated Debentures [Member]            
Business Acquisition [Line Items]            
Junior subordinated debentures $ 170,900   $ 170,900      
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 $ 24,800   $ 24,800