v3.26.1
FEDERAL HOME LOAN BANK ADVANCES - Schedule of FHLB Advances (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Federal Home Loan Bank, Advances [Line Items]    
FHLB advances (fixed rates 2.79% to 4.89%    and variable rates 3.68% to 3.78%) maturing   August 2026 to March 2046 $ 6,525,200 $ 6,230,200
Fair value hedge basis adjustments and unamortized prepayment fees (4,904) 7,175
Total $ 6,520,296 $ 6,237,375
Minimum | FHLB Advances    
Federal Home Loan Bank, Advances [Line Items]    
Fixed rates 2.79%  
Variable rates 3.68%  
Maximum | FHLB Advances    
Federal Home Loan Bank, Advances [Line Items]    
Fixed rates 4.89%  
Variable rates 3.78%