Annual report pursuant to Section 13 and 15(d)

Our Portfolio - Schedule of Carrying Value, Expected Loan Funding Commitments, and Allowance by Type of Receivable (Details)

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Our Portfolio - Schedule of Carrying Value, Expected Loan Funding Commitments, and Allowance by Type of Receivable (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross Carrying Value $ 2,031,000 $ 1,460,000
Loan Funding Commitments 256,000 184,000
Allowance 41,000 36,000
Loans 1,990,000  
Equity method investments, receivables, real estate and investments 4,308,000  
Financing Receivable, Allowance for Credit Loss [Roll Forward]    
Balance at beginning of period 36,000  
Balance at end of period 41,000 36,000
Commercial receivables    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross Carrying Value 1,928,000 1,335,000
Loan Funding Commitments 256,000 184,000
Allowance 41,000 36,000
Loans 1,887,483 1,298,529
Financing Receivable, Allowance for Credit Loss [Roll Forward]    
Balance at beginning of period 36,000 36,000
Provision for loss on receivables 13,000 0
Loan charge-offs (8,000)  
Balance at end of period 41,000 36,000
Commercial receivables | 3    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross Carrying Value 11,000  
Allowance 5,000  
Loans 6,000  
Equity method investments, receivables, real estate and investments 6,000  
Financing Receivable, Allowance for Credit Loss [Roll Forward]    
Balance at end of period 5,000  
Commercial receivables | 1    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross Carrying Value 1,917,000  
Allowance 36,000  
Loans 1,881,000  
Equity method investments, receivables, real estate and investments 4,174,000  
Financing Receivable, Allowance for Credit Loss [Roll Forward]    
Balance at end of period 36,000  
Government receivables    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross Carrying Value 103,000 125,000
Loan Funding Commitments 0 0
Allowance 0 0
Loans 102,511 125,409
Financing Receivable, Allowance for Credit Loss [Roll Forward]    
Balance at beginning of period 0 0
Provision for loss on receivables 0 0
Loan charge-offs  
Balance at end of period 0 $ 0
Government receivables | 1    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross Carrying Value 103,000  
Allowance 0  
Loans 103,000  
Equity method investments, receivables, real estate and investments 105,000  
Financing Receivable, Allowance for Credit Loss [Roll Forward]    
Balance at end of period 0  
Residential Solar Loan    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans 1,212,000  
Real Estate Loan    
Financing Receivable, Credit Quality Indicator [Line Items]    
Equity method investments, receivables, real estate and investments 47,000  
U.S. Federal Government    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans 13,000  
State or local governments    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans $ 90,000