v3.26.1
Business Combinations - Narrative (Details)
$ / shares in Units, $ in Thousands
 6 Months Ended
Jun. 01, 2026
USD ($)
$ / shares
shares
Jun. 30, 2026
USD ($)
property
analysis
Dec. 31, 2025
USD ($)
Business Combination [Line Items]      
Common stock, par value (in dollars per share) | $ / shares $ 0.01    
Goodwill   $ 529,836 $ 517,481
Flushing Financial Corporation      
Business Combination [Line Items]      
Common stock, par value (in dollars per share) | $ / shares $ 0.01    
Acquiree stockholders, share conversion ratio 0.85    
Total assets acquired $ 8,686,559    
Loans and loans held-for-sale 6,190,000    
Deposits 7,443,951    
Total consideration paid 538,351    
Cash consideration paid 2,800    
Goodwill 12,356    
Number of analyses used for loan estimation of fair value adjustment by market participant | analysis   2  
Loans held-for-sale, sold 1,310,000    
Number of properties operated by acquiree | property   31  
Core deposit intangible $ 85,000 $ 85,000  
Acquired finite-lived intangible assets, useful life   7 years  
Flushing Financial Corporation | Warburg Warrant      
Business Combination [Line Items]      
Number of shares called by each warrant | shares 11,400,000    
Exercise price of warrants (in dollars per share) | $ / shares $ 19,760    
Warrants and rights outstanding, term 7 years    
Flushing Financial Corporation | Common Stock      
Business Combination [Line Items]      
Equity interest, issuable (in shares) | shares 9,600,000    
Purchase price per share (in dollars per share) | $ / shares $ 19.76    
Flushing Financial Corporation | NVCE Stock      
Business Combination [Line Items]      
Equity interest, issuable (in shares) | shares 1,812    
Purchase price per share (in dollars per share) | $ / shares $ 19,760    
Equity interest equivalent, issuable (in shares) | shares 1,800,000    
Flushing Financial Corporation | Warburg Pincus LLC      
Business Combination [Line Items]      
Investment value by counterparty $ 225,000    
Flushing Financial Corporation | Warburg Pincus LLC | Warburg Warrant      
Business Combination [Line Items]      
Warrant voluntary exercise by counterparty, trigger stock price per share (in dollars per share) | $ / shares $ 30    
Warrant mandatory exercise by counterparty, trigger stock price per share (in dollars per share) | $ / shares $ 30