v3.26.1
Loans and Allowance for Credit Losses on Loans - Schedule of Collateral Dependent Loans (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2024
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total $ 2,259,061   $ 2,193,669      
Allowance for credit losses on loans 28,100 $ 26,286 27,975 $ 28,406 $ 25,368 $ 24,796
Loans Insured or Guaranteed by non-US Government Authorities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 35,800   27,300      
Excludes guaranteed portion of loans 9,300 7,400        
Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 13,046   10,432      
Collateralized Mortgage-Backed Securities | Loans Insured or Guaranteed by non-US Government Authorities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Excludes guaranteed portion of loans 22,500   12,700      
Collateralized Debt Obligations            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Allowance for credit losses on loans 2,200   1,300      
CRE            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 1,190,117   1,132,223      
Allowance for credit losses on loans 11,190 8,970 10,427 12,007 9,010 9,290
CRE | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 3,747   3,424      
SBA—real estate            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 254,470   242,041      
Allowance for credit losses on loans 7,620 5,899 6,385 6,994 5,381 5,557
SBA—real estate | Loans Insured or Guaranteed by non-US Government Authorities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Excludes guaranteed portion of loans 2,900 3,200        
SBA—real estate | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 7,720   6,419      
SBA—non-real estate            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 24,084   22,482      
Allowance for credit losses on loans 711 499 587 677 512 418
SBA—non-real estate | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 154          
Home mortgage            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 568,512   574,300      
Allowance for credit losses on loans 6,995 $ 9,459 8,956 $ 6,877 $ 8,755 $ 7,684
Home mortgage | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 1,425   589      
Hotel / Motel | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 7,144   7,025      
Hotel / Motel | CRE | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 2,106   2,134      
Hotel / Motel | SBA—real estate | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 5,038   4,891      
Hotel / Motel | SBA—non-real estate | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 0          
Hotel / Motel | Home mortgage | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 0   0      
Retail | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 2,696   1,739      
Retail | CRE | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 0   211      
Retail | SBA—real estate | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 2,682   1,528      
Retail | SBA—non-real estate | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 14          
Retail | Home mortgage | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 0   0      
Single-Family Residential | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 3,066   1,668      
Single-Family Residential | CRE | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 1,641   1,079      
Single-Family Residential | SBA—real estate | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 0   0      
Single-Family Residential | SBA—non-real estate | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 0          
Single-Family Residential | Home mortgage | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 1,425   589      
Office | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 140   0      
Office | CRE | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 0   0      
Office | SBA—real estate | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 0   0      
Office | SBA—non-real estate | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total 140          
Office | Home mortgage | Collateralized Mortgage-Backed Securities            
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]            
Total $ 0   $ 0