Quarterly report pursuant to Section 13 or 15(d)

Financing Receivables - Concentrations by Counterparty (Details)

v3.21.2
Financing Receivables - Concentrations by Counterparty (Details)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2021
USD ($)
customer
Dec. 31, 2020
USD ($)
customer
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Amounts outstanding $ 76,544 $ 41,752
Advances receivable, number of counterparties not individually disclosed | customer 131 131
Customer Concentration Risk | Financing Receivable | Other Contractors    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Average balance $ 100 $ 100
Advances    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Amounts outstanding 71,310 35,401
Advances | Contractor 1    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Amounts outstanding 20,968 295
Advances | Contractor 2    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Amounts outstanding 13,275 6,425
Advances | Contractor 3    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Amounts outstanding 7,253 10,429
Advances | Contractor 4    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Amounts outstanding 4,775 141
Advances | Contractor 5    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Amounts outstanding 2,706 437
Advances | Contractor 6    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Amounts outstanding 2,472 0
Advances | Contractor 7    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Amounts outstanding 2,195 1,812
Advances | Contractor 8    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Amounts outstanding 2,074 0
Advances | Contractor 9    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Amounts outstanding 1,996 36
Advances | Contractor 10    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Amounts outstanding 1,203 141
Advances | Other Contractors    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Amounts outstanding $ 12,393 $ 15,685
Advances | Customer Concentration Risk | Financing Receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
% of total 100.00% 100.00%
Advances | Customer Concentration Risk | Financing Receivable | Contractor 1    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
% of total 29.40% 0.80%
Advances | Customer Concentration Risk | Financing Receivable | Contractor 2    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
% of total 18.60% 18.10%
Advances | Customer Concentration Risk | Financing Receivable | Contractor 3    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
% of total 10.20% 29.50%
Advances | Customer Concentration Risk | Financing Receivable | Contractor 4    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
% of total 6.70% 0.40%
Advances | Customer Concentration Risk | Financing Receivable | Contractor 5    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
% of total 3.80% 1.20%
Advances | Customer Concentration Risk | Financing Receivable | Contractor 6    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
% of total 3.50% 0.00%
Advances | Customer Concentration Risk | Financing Receivable | Contractor 7    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
% of total 3.10% 5.10%
Advances | Customer Concentration Risk | Financing Receivable | Contractor 8    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
% of total 2.90% 0.00%
Advances | Customer Concentration Risk | Financing Receivable | Contractor 9    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
% of total 2.80% 0.10%
Advances | Customer Concentration Risk | Financing Receivable | Contractor 10    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
% of total 1.70% 0.40%
Advances | Customer Concentration Risk | Financing Receivable | Other Contractors    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
% of total 17.30% 44.40%
Advances | Customer Concentration Risk | Financing Receivable | Largest Other Contractors - A    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Amounts outstanding $ 2,600  
Advances | Customer Concentration Risk | Financing Receivable | Largest Other Contractors - B    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Amounts outstanding 700  
Advances | Customer Concentration Risk | Financing Receivable | Largest Other Contractors - C    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Amounts outstanding 600  
Advances | Customer Concentration Risk | Financing Receivable | Largest Other Contractors - D    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Amounts outstanding 600  
Advances | Customer Concentration Risk | Financing Receivable | Largest Other Contractors - E    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Amounts outstanding $ 500