v3.26.1
Commercial Mortgage Loans, Held for Investment - Schedule of Allocation by Risk Rating (Details)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
loan
Dec. 31, 2025
USD ($)
loan
Mar. 31, 2026
USD ($)
Dec. 31, 2024
USD ($)
Financing Receivable, Credit Quality Indicator [Line Items]        
Amortized cost $ 22,300,000 $ 21,600,000    
Amortized Cost by Year of Origination        
Total Amortized Cost 22,300,000 21,600,000    
Allowance for credit losses [1] (54,457) (38,302)    
Total commercial mortgage loans, held for investment, net [1] $ 4,275,122 $ 4,383,134    
Commercial Mortgage Receivable, Held-For-Investment        
Financing Receivable, Credit Quality Indicator [Line Items]        
Number of Loans | loan 172 169    
Amortized cost $ 4,329,579 $ 4,421,436    
Amortized Cost by Year of Origination        
Total Amortized Cost 4,329,579 4,421,436    
Allowance for credit losses (54,457) (38,302)   $ (78,083)
Total commercial mortgage loans, held for investment, net 4,275,122 4,383,134    
Commercial Portfolio Segment        
Amortized Cost by Year of Origination        
Allowance for credit losses (54,682) (38,598) $ (49,507)  
Commercial Portfolio Segment | Commercial Mortgage Receivable, Held-For-Investment        
Financing Receivable, Credit Quality Indicator [Line Items]        
Amortized cost 4,329,579 4,421,436    
Amortized Cost by Year of Origination        
Year one, originated in current fiscal year 503,622 982,678    
Year two, originated in prior fiscal year one 1,121,970 1,480,534    
Year three, originated in prior fiscal year two 1,387,805 452,282    
Year four, originated in prior fiscal year three 314,078 791,010    
Year five, original in prior fiscal year four 511,516 658,522    
Prior 490,588 56,410    
Total Amortized Cost 4,329,579 4,421,436    
Allowance for credit losses (54,457) (38,302)    
Total commercial mortgage loans, held for investment, net $ 4,275,122 $ 4,383,134    
Commercial Portfolio Segment | Commercial Mortgage Receivable, Held-For-Investment | Credit Concentration Risk | Commercial mortgage loans, held for investment        
Amortized Cost by Year of Origination        
% of Portfolio 100.00% 100.00%    
Commercial Portfolio Segment | Commercial Mortgage Receivable, Held-For-Investment | 1        
Financing Receivable, Credit Quality Indicator [Line Items]        
Amortized cost $ 0 $ 0    
Amortized Cost by Year of Origination        
Year one, originated in current fiscal year 0 0    
Year two, originated in prior fiscal year one 0 0    
Year three, originated in prior fiscal year two 0 0    
Year four, originated in prior fiscal year three 0 0    
Year five, original in prior fiscal year four 0 0    
Prior 0 0    
Total Amortized Cost $ 0 $ 0    
Commercial Portfolio Segment | Commercial Mortgage Receivable, Held-For-Investment | 1 | Credit Concentration Risk | Commercial mortgage loans, held for investment        
Amortized Cost by Year of Origination        
% of Portfolio 0.00% 0.00%    
Commercial Portfolio Segment | Commercial Mortgage Receivable, Held-For-Investment | 2        
Financing Receivable, Credit Quality Indicator [Line Items]        
Amortized cost $ 3,042,653 $ 3,202,379    
Amortized Cost by Year of Origination        
Year one, originated in current fiscal year 503,622 982,678    
Year two, originated in prior fiscal year one 1,015,912 1,175,376    
Year three, originated in prior fiscal year two 945,601 322,490    
Year four, originated in prior fiscal year three 272,009 387,548    
Year five, original in prior fiscal year four 186,056 313,728    
Prior 119,453 20,559    
Total Amortized Cost $ 3,042,653 $ 3,202,379    
Commercial Portfolio Segment | Commercial Mortgage Receivable, Held-For-Investment | 2 | Credit Concentration Risk | Commercial mortgage loans, held for investment        
Amortized Cost by Year of Origination        
% of Portfolio 70.30% 72.40%    
Commercial Portfolio Segment | Commercial Mortgage Receivable, Held-For-Investment | 3        
Financing Receivable, Credit Quality Indicator [Line Items]        
Amortized cost $ 857,240 $ 848,296    
Amortized Cost by Year of Origination        
Year one, originated in current fiscal year 0 0    
Year two, originated in prior fiscal year one 87,476 305,158    
Year three, originated in prior fiscal year two 406,324 129,792    
Year four, originated in prior fiscal year three 42,069 220,090    
Year five, original in prior fiscal year four 199,479 178,500    
Prior 121,892 14,756    
Total Amortized Cost $ 857,240 $ 848,296    
Commercial Portfolio Segment | Commercial Mortgage Receivable, Held-For-Investment | 3 | Credit Concentration Risk | Commercial mortgage loans, held for investment        
Amortized Cost by Year of Origination        
% of Portfolio 19.80% 19.20%    
Commercial Portfolio Segment | Commercial Mortgage Receivable, Held-For-Investment | 4        
Financing Receivable, Credit Quality Indicator [Line Items]        
Amortized cost $ 219,858 $ 246,679    
Amortized Cost by Year of Origination        
Year one, originated in current fiscal year 0 0    
Year two, originated in prior fiscal year one 18,582 0    
Year three, originated in prior fiscal year two 35,880 0    
Year four, originated in prior fiscal year three 0 138,889    
Year five, original in prior fiscal year four 51,570 107,790    
Prior 113,826 0    
Total Amortized Cost $ 219,858 $ 246,679    
Commercial Portfolio Segment | Commercial Mortgage Receivable, Held-For-Investment | 4 | Credit Concentration Risk | Commercial mortgage loans, held for investment        
Amortized Cost by Year of Origination        
% of Portfolio 5.10% 5.60%    
Commercial Portfolio Segment | Commercial Mortgage Receivable, Held-For-Investment | 5        
Financing Receivable, Credit Quality Indicator [Line Items]        
Amortized cost $ 209,828 $ 124,082    
Amortized Cost by Year of Origination        
Year one, originated in current fiscal year 0 0    
Year two, originated in prior fiscal year one 0 0    
Year three, originated in prior fiscal year two 0 0    
Year four, originated in prior fiscal year three 0 44,483    
Year five, original in prior fiscal year four 74,411 58,504    
Prior 135,417 21,095    
Total Amortized Cost $ 209,828 $ 124,082    
Commercial Portfolio Segment | Commercial Mortgage Receivable, Held-For-Investment | 5 | Credit Concentration Risk | Commercial mortgage loans, held for investment        
Amortized Cost by Year of Origination        
% of Portfolio 4.80% 2.80%    
Commercial Mortgage Receivable, Held-For-Investment        
Financing Receivable, Credit Quality Indicator [Line Items]        
Number of Loans | loan 172 169    
Amortized cost $ 4,343,396 $ 4,435,511    
Amortized Cost by Year of Origination        
Total Amortized Cost $ 4,343,396 $ 4,435,511    
Commercial Mortgage Receivable, Held-For-Investment | 1        
Financing Receivable, Credit Quality Indicator [Line Items]        
Number of Loans | loan 0 0    
Amortized cost $ 0 $ 0    
Amortized Cost by Year of Origination        
Total Amortized Cost $ 0 $ 0    
Commercial Mortgage Receivable, Held-For-Investment | 2        
Financing Receivable, Credit Quality Indicator [Line Items]        
Number of Loans | loan 136 137    
Amortized cost $ 3,052,832 $ 3,213,933    
Amortized Cost by Year of Origination        
Total Amortized Cost $ 3,052,832 $ 3,213,933    
Commercial Mortgage Receivable, Held-For-Investment | 3        
Financing Receivable, Credit Quality Indicator [Line Items]        
Number of Loans | loan 24 22    
Amortized cost $ 857,649 $ 848,719    
Amortized Cost by Year of Origination        
Total Amortized Cost $ 857,649 $ 848,719    
Commercial Mortgage Receivable, Held-For-Investment | 4        
Financing Receivable, Credit Quality Indicator [Line Items]        
Number of Loans | loan 7 6    
Amortized cost $ 219,798 $ 246,682    
Amortized Cost by Year of Origination        
Total Amortized Cost $ 219,798 $ 246,682    
Commercial Mortgage Receivable, Held-For-Investment | 5        
Financing Receivable, Credit Quality Indicator [Line Items]        
Number of Loans | loan 5 4    
Amortized cost $ 213,117 $ 126,177    
Amortized Cost by Year of Origination        
Total Amortized Cost $ 213,117 $ 126,177    
[1] Includes pledged assets of $243.4 million and $329.2 million as of June 30, 2026 and December 31, 2025, respectively.