XML 113 R98.htm IDEA: XBRL DOCUMENT v3.22.4
Borrowings (Federal Home Loan Bank Advances Maturity Schedule) (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Federal Home Loan Bank, Advances, Fiscal Year Maturity [Abstract]    
Federal Home Loan Bank advances $ 980,000 $ 145,000
Federal Home Loan Bank of Boston [Member]    
Federal Home Loan Bank, Advances, Fiscal Year Maturity [Abstract]    
Scheduled maturity, Year One 895,000  
Scheduled maturity, Year Two 20,000  
Scheduled maturity, Year Three 45,000  
Scheduled maturity, Year Four 20,000  
Scheduled maturity, Year Five 0  
Scheduled maturity, Thereafter 0  
Federal Home Loan Bank advances $ 980,000 $ 145,000
Federal Home Loan Bank, Advances, Maturities Summary, Average Interest Rate of Amounts Due [Abstract]    
Weighted average rate, Year One 4.29%  
Weighted average rate, Year Two 4.48%  
Weighted average rate, Year Three 4.21%  
Weighted average rate, Year Four 4.13%  
Weighted average rate, Year Five 0.00%  
Weighted average rate, Thereafter 0.00%  
Weighted average rate, Total 4.29%