v3.26.1
Business Combinations - Schedule of Supplemental Pro Forma Financial Information (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Business Combination [Line Items]          
Merger related expenses   $ 42,765 $ 0 $ 46,915 $ 0
Flushing Financial Corporation          
Business Combination [Line Items]          
Merger related expenses       46,900  
Estimated tax-adjusted earnings per share impact (in dollars per share)         $ 0.37
Flushing Actual from June 1, 2026 to June 30, 2026          
Net interest income $ 19,068        
Credit loss expense (109)        
Non-interest income 1,350        
Non-interest expense 14,813        
Income before income taxes 5,714        
Provision for income taxes 1,607        
Net income 4,107        
Net income available to common stockholders $ 4,107        
Pro Forma          
Net interest income       316,979 $ 287,326
Credit loss expense       8,751 16,891
Non-interest income       22,810 38,337
Non-interest expense       257,942 275,657
Income before income taxes       73,096 33,115
Provision for income taxes       20,467 9,272
Net income       52,629 23,843
Net income available to common stockholders       $ 52,629 $ 20,000
Average diluted shares outstanding (in shares)       97,712 98,555
Fully diluted earnings per share (in dollars per share)       $ 0.54 $ 0.20