v3.26.1
Loans Receivable and Allowance for Credit Losses (Narrative) (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2026
USD ($)
loan
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
loan
Dec. 31, 2024
USD ($)
Financing Receivable, Allowance for Credit Losses [Line Items]        
Loans held for investment $ 83,800   $ 82,200  
Non-performing loans, additions | loan 4      
Non-accrual $ 142,924   $ 78,420  
Number of loans 90 days past due and still accruing | loan 0   0  
Provision charged to operations $ (4,650) $ 325    
Impaired loan defined floor limit (greater than) $ 1,000      
Impaired loans number | loan 27   28  
Impaired loans $ 128,400      
Loans held for investment 19,647,702   $ 19,504,061  
Allowance for credit losses $ 176,997 191,770 184,767 $ 193,432
Commercial Loan One        
Financing Receivable, Allowance for Credit Losses [Line Items]        
Loan to value ratio 32.90%      
Commercial Loan Two        
Financing Receivable, Allowance for Credit Losses [Line Items]        
Loan to value ratio 51.70%      
Commercial Loan Three        
Financing Receivable, Allowance for Credit Losses [Line Items]        
Loan to value ratio 61.30%      
Commercial Loan Four        
Financing Receivable, Allowance for Credit Losses [Line Items]        
Loan to value ratio 81.90%      
Purchased credit-impaired (PCI) loans        
Financing Receivable, Allowance for Credit Losses [Line Items]        
Loans held for investment $ 492,600   509,700  
Allowance for credit losses 4,400   4,600  
Special Reserves        
Financing Receivable, Allowance for Credit Losses [Line Items]        
Impaired loans with related specific reserves     63,300  
Real Estate | Commercial Loan        
Financing Receivable, Allowance for Credit Losses [Line Items]        
Loans measured for impairment based on the fair value of the underlying collateral 124,000   54,500  
Less than 90 days Past Due        
Financing Receivable, Allowance for Credit Losses [Line Items]        
Non-accrual 111,400   49,500  
Held For Sale Loans        
Financing Receivable, Allowance for Credit Losses [Line Items]        
Non-accrual 142,900   78,400  
Commercial loans        
Financing Receivable, Allowance for Credit Losses [Line Items]        
Non-accrual 107,398   33,219  
Provision charged to operations (3,472) 4,175    
Net chargeoff 3,100      
Allowance for credit losses 45,038 $ 45,901 $ 51,127 $ 43,642
Commercial loans | Non- Accrual        
Financing Receivable, Allowance for Credit Losses [Line Items]        
Writeoff $ 82,100