Quarterly report pursuant to Section 13 or 15(d)

Our Portfolio - Summary of the Carrying Value and Allowance by Type of Receivable or "Portfolio Segment" (Details)

v3.23.1
Our Portfolio - Summary of the Carrying Value and Allowance by Type of Receivable or "Portfolio Segment" (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]      
Gross Carrying Value $ 2,104,000   $ 2,031,000
Loan Funding Commitments 253,000   256,000
Allowance 43,000   41,000
Loans 2,061,000    
Equity method investments, receivables, real estate and investments 4,690,000    
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Beginning balance 41,000    
Ending balance 43,000    
Commercial receivables      
Financing Receivable, Credit Quality Indicator [Line Items]      
Gross Carrying Value 2,006,000   1,928,000
Loan Funding Commitments 253,000   256,000
Allowance 43,000 $ 37,000 41,000
Loans 1,962,793   1,887,483
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Beginning balance 41,000 36,000  
Provision for loss on receivables 2,000 1,000  
Ending balance 43,000 37,000  
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]      
Provision for loss on receivables 2,000    
Ending balance 5,000    
Commercial receivables | 1      
Financing Receivable, Credit Quality Indicator [Line Items]      
Gross Carrying Value 1,995,000    
Allowance 38,000    
Loans 1,957,000    
Equity method investments, receivables, real estate and investments 4,561,000    
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Ending balance 38,000    
Government receivables      
Financing Receivable, Credit Quality Indicator [Line Items]      
Gross Carrying Value 98,000   103,000
Loan Funding Commitments 0   0
Allowance 0 0 0
Loans 97,968   $ 102,511
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Beginning balance 0 0  
Provision for loss on receivables 0 0  
Ending balance 0 $ 0  
Government receivables | 1      
Financing Receivable, Credit Quality Indicator [Line Items]      
Gross Carrying Value 98,000    
Allowance 0    
Loans 98,000    
Equity method investments, receivables, real estate and investments 100,000    
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Ending balance 0    
Residential solar loan      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans 1,200,000    
U.S. federal government      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans 10,000    
State or local governments      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans $ 88,000