v3.26.1
Loans and Allowance for Credit Losses - Narrative (Details)
 3 Months Ended 6 Months Ended 16 Months Ended
Jun. 30, 2026
USD ($)
loan
Mar. 13, 2025
USD ($)
Jun. 30, 2026
USD ($)
loan
Jun. 30, 2025
USD ($)
loan
Jun. 30, 2026
USD ($)
loan
Jun. 30, 2025
USD ($)
loan
Jun. 30, 2026
USD ($)
loan
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Financing Receivable, Credit Quality Indicator [Line Items]                      
Allowance for credit loss $ 250,726,000   $ 250,726,000 $ 232,579,000 $ 250,726,000 $ 232,579,000 $ 250,726,000 $ 235,667,000 $ 218,517,000 $ 239,220,000 $ 339,939,000
Number of loan modifications | loan     27 36 72 61          
Post-modification recorded balance     $ 87,700,000 $ 261,800,000 $ 251,800,000 $ 429,800,000          
Total financing receivables, percentage     2.00% 3.60% 5.80% 6.00%          
Amount of cash inflow from capital investment     $ 2,600,000 $ 400,000 $ 2,600,000 $ 10,600,000          
Loans modified, nonaccrual     $ 69,800,000   $ 169,700,000            
Number of loans that did not make payments in accordance with their modified terms | loan 34   34   34   34        
Carrying value of loans that did not make payments in accordance with their modified terms     $ 107,400,000                
Carrying amount of loan foreclosure in process $ 10,800,000   10,800,000   $ 10,800,000   $ 10,800,000   $ 17,900,000    
Allowance for credit loss       7,198,000              
PCD loans acquired during the period     $ 0 $ 0              
UDF IV                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Allowance for credit loss $ 52,917,000                    
Measurement Period Adjustments | UDF IV                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Allowance for credit loss   $ 36,300,000         $ 36,291,000        
Term Extension and Interest Rate Reduction                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Number of loan modifications | loan     1 1   1          
Post-modification recorded balance     $ 60,500,000 $ 31,300,000   $ 31,300,000          
Total financing receivables, percentage     1.40% 0.40%   0.40%          
Term extension period (in months)     25 months 24 months   24 months          
Basis spread on variable rate before modification (as a percent) 5.85%   5.85% 4.50% 5.85% 4.50% 5.85%        
Term Extension and Interest Rate Reduction | Period From May 2026 To November 2027                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Fixed interest rate after modification (as a percent) 4.00%   4.00%   4.00%   4.00%        
Term Extension and Interest Rate Reduction | Period From May 2025 to October 2027                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Fixed interest rate after modification (as a percent)       4.00%   4.00%          
Extended Maturity, Payment Deferral, And Principal Forgiveness                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Number of loan modifications | loan     1   1            
Post-modification recorded balance     $ 17,800,000   $ 17,800,000            
Total financing receivables, percentage     0.40%   0.40%            
Term extension period (in months)     39 months   39 months            
Modified in period, payment deferrals (in months)     24 months   24 months            
Principal forgiveness balance     $ 1,200,000   $ 1,200,000            
Payment Deferral                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Number of loan modifications | loan     23   63 28          
Post-modification recorded balance     $ 8,900,000   $ 34,700,000 $ 41,200,000          
Total financing receivables, percentage     0.20%   0.80% 0.60%          
Payment Deferral | Minimum                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Term extension period (in months)         3 months 3 months          
Modified in period, payment deferrals (in months)     3 months                
Payment Deferral | Maximum                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Term extension period (in months)         24 months 28 months          
Modified in period, payment deferrals (in months)     24 months                
Payment Deferral | Weighted Average                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Term extension period (in months)         5 months 7 months          
Modified in period, payment deferrals (in months)     8 months                
Term Extension                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Number of loan modifications | loan     2   2            
Post-modification recorded balance     $ 500,000   $ 500,000            
Total financing receivables, percentage     0.10%   0.10%            
Term extension period (in months)         60 months            
Modified in period, payment deferrals (in months)     60 months                
Term Extension And Interest Payment Deferral                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Number of loan modifications | loan         4            
Post-modification recorded balance         $ 138,300,000            
Total financing receivables, percentage         3.20%            
Term Extension And Interest Payment Deferral | Minimum                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Term extension period (in months)         3 months            
Modified in period, payment deferrals (in months)         2 months            
Term Extension And Interest Payment Deferral | Maximum                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Term extension period (in months)         60 months            
Modified in period, payment deferrals (in months)         9 months            
Term Extension And Interest Payment Deferral | Weighted Average                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Term extension period (in months)         14 months            
Modified in period, payment deferrals (in months)         3 months            
Extended Maturity, Payment Deferral, and Interest Rate Reduction                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Number of loan modifications | loan       1 1 1          
Post-modification recorded balance       $ 25,400,000 $ 60,500,000 $ 25,400,000          
Total financing receivables, percentage       0.40% 1.40% 0.40%          
Term extension period (in months)       12 months 25 months 12 months          
Basis spread on variable rate before modification (as a percent) 5.85%   5.85% 5.75% 5.85% 5.75% 5.85%        
Modified in period, payment deferrals (in months)       7 months 4 months 7 months          
Extended Maturity, Payment Deferral, and Interest Rate Reduction | Period From May 2026 To November 2027                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Fixed interest rate after modification (as a percent) 4.00%   4.00%   4.00%   4.00%        
Extended Maturity, Payment Deferral, and Interest Rate Reduction | Period From June 2025 to March 2026                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Fixed interest rate after modification (as a percent)       3.50%   3.50%          
Payment Deferral And Interest Rate Reduction                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Number of loan modifications | loan         1            
Post-modification recorded balance         $ 100,000            
Total financing receivables, percentage         0.10%            
Basis spread on variable rate before modification (as a percent) 2.75%   2.75%   2.75%   2.75%        
Modified in period, payment deferrals (in months)         26 months            
Payment Deferral And Interest Rate Reduction | Period From February 2026 To May 2033                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Fixed interest rate after modification (as a percent) 9.00%   9.00%   9.00%   9.00%        
Term Extension, Modification 1                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Number of loan modifications | loan       9   15          
Post-modification recorded balance       $ 81,400,000   $ 100,400,000          
Total financing receivables, percentage       1.10%   1.40%          
Term Extension, Modification 1 | Minimum                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Term extension period (in months)       2 months   2 months          
Term Extension, Modification 1 | Maximum                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Term extension period (in months)       72 months   72 months          
Term Extension, Modification 1 | Weighted Average                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Term extension period (in months)       21 months   20 months          
Term extension, modification 2                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Number of loan modifications | loan       1   2          
Post-modification recorded balance       $ 33,400,000   $ 77,600,000          
Total financing receivables, percentage       0.50%   1.10%          
Term extension period (in months)       18 months              
Term extension, modification 2 | Minimum                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Term extension period (in months)           18 months          
Term extension, modification 2 | Maximum                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Term extension period (in months)           35 months          
Term extension, modification 2 | Weighted Average                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Term extension period (in months)           28 months          
Payment Deferral And Interest Rate Reduction, Modification 1                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Number of loan modifications | loan       1   1          
Post-modification recorded balance       $ 31,100,000   $ 31,100,000          
Total financing receivables, percentage       0.40%   0.40%          
Basis spread on variable rate before modification (as a percent)       3.60%   3.60%          
Modified in period, payment deferrals (in months)       26 months   26 months          
Payment Deferral And Interest Rate Reduction, Modification 1 | Period From June 2024 to December 2025                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Fixed interest rate after modification (as a percent)       6.00%   6.00%          
Payment Deferral And Interest Rate Reduction, Modification 1 | Period From January 2026 to December 2026                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Fixed interest rate after modification (as a percent)       6.25%   6.25%          
Payment Deferral And Interest Rate Reduction, Modification 1 | Period From January 2027 to September 2027                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Fixed interest rate after modification (as a percent)       6.50%   6.50%          
Payment Deferral, Modification 1                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Number of loan modifications | loan       15              
Post-modification recorded balance       $ 30,700,000              
Total financing receivables, percentage       0.40%              
Payment Deferral, Modification 1 | Minimum                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Term extension period (in months)       6 months              
Payment Deferral, Modification 1 | Maximum                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Term extension period (in months)       28 months              
Payment Deferral, Modification 1 | Weighted Average                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Term extension period (in months)       7 months              
Term Extension And Interest Payment Deferral, Modification 1                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Number of loan modifications | loan       8   2          
Post-modification recorded balance       $ 28,500,000   $ 65,300,000          
Total financing receivables, percentage       0.40%   0.90%          
Term Extension And Interest Payment Deferral, Modification 1 | Minimum                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Term extension period (in months)       3 months   19 months          
Modified in period, payment deferrals (in months)           12 months          
Term Extension And Interest Payment Deferral, Modification 1 | Maximum                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Term extension period (in months)       60 months   32 months          
Modified in period, payment deferrals (in months)           24 months          
Term Extension And Interest Payment Deferral, Modification 1 | Weighted Average                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Term extension period (in months)       14 months   25 months          
Modified in period, payment deferrals (in months)           17 months          
Term extension and interest payment deferral, modification 2                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Number of loan modifications | loan           11          
Post-modification recorded balance           $ 57,500,000          
Total financing receivables, percentage           0.80%          
Term extension and interest payment deferral, modification 2 | Minimum                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Term extension period (in months)           3 months          
Modified in period, payment deferrals (in months)       6 months   6 months          
Term extension and interest payment deferral, modification 2 | Maximum                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Term extension period (in months)           60 months          
Modified in period, payment deferrals (in months)       11 months   24 months          
Term extension and interest payment deferral, modification 2 | Weighted Average                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Term extension period (in months)           14 months          
Modified in period, payment deferrals (in months)       9 months   12 months          
Principal Forgiveness | Entity Loan Modification Program                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Post-modification recorded balance     $ 400,000 $ 22,300,000 $ 1,900,000 $ 28,800,000          
Unfunded Loan Commitment                      
Financing Receivable, Credit Quality Indicator [Line Items]                      
Allowance for credit loss $ 3,800,000   $ 3,800,000 $ 2,300,000 $ 3,800,000 $ 2,300,000 $ 3,800,000