Quarterly report pursuant to Section 13 or 15(d)

Notes Receivable - Additional Information (Details)

v3.21.2
Notes Receivable - Additional Information (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Loans And Leases Receivable Disclosure [Line Items]    
Unsecured advances arrangement term 18 months  
Notes receivable, principal balance $ 6,121 $ 5,773
Reserve for uncollectible notes receivable $ 1,889 $ 1,909
Unsecured Advances    
Loans And Leases Receivable Disclosure [Line Items]    
Loans receivables variable rate description LIBOR plus 700 basis points  
Loans receivable, basis spread on variable rate 7.00%  
Unsecured Loans    
Loans And Leases Receivable Disclosure [Line Items]    
Loans receivables variable rate description variable rates based on LIBOR plus a specified margin  
Notes receivable, term 10 years  
Unsecured Loans | Minimum    
Loans And Leases Receivable Disclosure [Line Items]    
Notes receivable interest rate 7.75%  
Unsecured Loans | Maximum    
Loans And Leases Receivable Disclosure [Line Items]    
Notes receivable interest rate 15.00%