v3.26.1
Short-term Borrowings (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Short-term Borrowings [Abstract]    
Remaining borrowing capacity $ 2,100,000 $ 2,100,000
Loans held for investment 3,626,604 3,572,570
Unsecured borrowing capacity 133,000  
FHLB of San Francisco [Member]    
Short-term Borrowings [Abstract]    
Maximum borrowing capacity 938,900  
Collateral amount $ 1,400,000  
Interest rate 4.00%  
Federal Reserve Bank Advances [Member]    
Short-term Borrowings [Abstract]    
Remaining borrowing capacity $ 1,100,000  
Maximum borrowing capacity 1,100,000  
Outstanding advances $ 0 $ 0
Asset Pledged as Collateral [Member] | Federal Reserve Bank Advances [Member]    
Short-term Borrowings [Abstract]    
Interest rate 3.63%  
Loans held for investment $ 1,300,000