v3.25.2
Borrowings (Federal Home Loan Bank Advances Maturity Schedule) (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Advance from Federal Home Loan Bank, Fiscal Year Maturity [Abstract]    
Federal Home Loan Bank advances $ 1,001,000 $ 1,125,000
Federal Home Loan Bank of Boston    
Advance from Federal Home Loan Bank, Fiscal Year Maturity [Abstract]    
Scheduled maturity through the end of the current year 615,000  
Scheduled maturity in year two 165,000  
Scheduled maturity in year three 45,000  
Scheduled maturity in year four 90,000  
Scheduled maturity in year five 80,000  
Scheduled maturity after year five 6,000  
Federal Home Loan Bank advances $ 1,001,000 $ 1,100,000
Federal Home Loan Bank, Advances, Weighted Average Interest Rate [Abstract]    
Weighted average rate for scheduled maturity through the end of the current year 4.59%  
Weighted average rate for scheduled maturity in year two 4.54%  
Weighted average rate for scheduled maturity in year three 4.24%  
Weighted average rate for scheduled maturity in year four 4.33%  
Weighted average rate for scheduled maturity in year five 3.82%  
Weighted average rate for scheduled maturity after year five 3.33%  
Total weighted average rate 4.47%