v3.25.2
Our Portfolio - Schedule of the Carrying Value and Allowance by Type of Receivable or "Portfolio Segment" (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Financing Receivable, Credit Quality Indicator [Line Items]          
Gross Carrying Value $ 3,081,000   $ 3,081,000   $ 2,946,000
Loan Funding Commitments 331,000   331,000   545,000
Allowance 55,000   55,000   50,000
Loans 3,025,993   3,025,993   2,895,837
Financing Receivable, Allowance for Credit Loss [Roll Forward]          
Beginning balance     50,000    
Ending balance 55,000   55,000    
Commercial          
Financing Receivable, Credit Quality Indicator [Line Items]          
Gross Carrying Value 3,048,000   3,048,000   2,911,000
Loan Funding Commitments 331,000   331,000   545,000
Allowance 55,000 $ 48,000 55,000 $ 48,000 50,000
Financing Receivable, Allowance for Credit Loss [Roll Forward]          
Beginning balance 54,000 52,000 50,000 50,000  
Provision for loss on receivables 1,000 (4,000) 5,000 (2,000)  
Ending balance 55,000 48,000 55,000 48,000  
Commercial | 1          
Financing Receivable, Credit Quality Indicator [Line Items]          
Gross Carrying Value 3,019,000   3,019,000    
Allowance 55,000   55,000    
Loans 2,964,000   2,964,000    
Financing Receivable, Allowance for Credit Loss [Roll Forward]          
Ending balance 55,000   55,000    
Government          
Financing Receivable, Credit Quality Indicator [Line Items]          
Gross Carrying Value 33,000   33,000   35,000
Loan Funding Commitments 0   0   0
Allowance 0 0 0 0 $ 0
Financing Receivable, Allowance for Credit Loss [Roll Forward]          
Beginning balance 0 0 0 0  
Provision for loss on receivables 0 0 0 0  
Ending balance 0 $ 0 0 $ 0  
Government | 1          
Financing Receivable, Credit Quality Indicator [Line Items]          
Gross Carrying Value 33,000   33,000    
Allowance 0   0    
Loans 33,000   33,000    
Financing Receivable, Allowance for Credit Loss [Roll Forward]          
Ending balance 0   0    
Residential Solar Loan          
Financing Receivable, Credit Quality Indicator [Line Items]          
Loans 1,500,000   1,500,000    
U.S. federal government          
Financing Receivable, Credit Quality Indicator [Line Items]          
Loans 6,000   6,000    
State or local governments          
Financing Receivable, Credit Quality Indicator [Line Items]          
Loans $ 27,000   $ 27,000