Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Details)

v3.23.2
Summary of Significant Accounting Policies - Additional Information (Details)
 3 Months Ended 6 Months Ended
Jun. 30, 2022
USD ($)
$ / shares
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
segment
reporting_unit
Jun. 30, 2022
USD ($)
Mar. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Mar. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Debt instrument, convertible, conversion ratio       1          
Number of operating segments | segment       1          
Number of reportable segments | segment       1          
Participation interest in loan pool   5.00%   5.00%          
Nonaccrual loans, threshold for impairment evaluation   $ 50,000   $ 50,000          
Number of reporting units | reporting_unit       1          
Funding commitments   38,181,000   $ 38,181,000     $ 20,400,000    
Distributions   0   0          
Distribution   (1,300,000) $ (1,332,000) (2,700,000) $ (2,705,000)        
Realized gains (losses) on contract derivatives, net   100,000 2,100,000 200,000 4,000,000        
Revenue   (29,627,000) 29,590,000 (9,162,000) 57,821,000        
Total equity $ 863,668,000 258,980,000 863,668,000 258,980,000 863,668,000 $ 336,640,000 368,327,000 $ 858,083,000 $ 878,963,000
Cumulative Effect, Period of Adoption, Adjustment                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Total equity             $ 460,000   $ 279,000
Platform Fees, Net                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Revenue   (30,894,000) 27,810,000 (12,985,000) 53,645,000        
Platform Fees, Net | Direct channel, home improvement loans                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Revenue   $ 300,000 $ 1,100,000 $ 1,900,000 $ 1,600,000        
Residential Solar Loans                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Participation interest in loan pool   5.00%   5.00%          
Class C common stock                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Debt instrument, convertible, conversion ratio       1          
Class EX Unit                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Distributions $ 1,500,000                
Distribution per unit (in dollars per share) | $ / shares $ 0.03                
Sunlight Financial LLC                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Noncontrolling interest percent   34.40%   34.40%     35.90%