v3.26.1
Acquisition of First Foundation Inc. (Details) - First Foundation - USD ($)
$ in Millions
Apr. 01, 2026
Mar. 31, 2026
Business Combination [Line Items]    
Business acquisition, equity interest issued   $ 682.8
Subsequent Event    
Business Combination [Line Items]    
Exchange ratio (in shares) 0.16083  
Payments to acquire businesses $ 17.5  
Subsequent Event | Restricted Stock Award    
Business Combination [Line Items]    
Estimated pre-combination vesting value $ 3.3  
Voting Common Stock | Subsequent Event    
Business Combination [Line Items]    
Business acquisition, number of shares issued (in shares) 16,100,000  
Non-voting Common Stock | Subsequent Event    
Business Combination [Line Items]    
Business acquisition, number of shares issued (in shares) 2,600,000