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Federal Home Loan Bank and Federal Reserve Bank Stock (Tables)
3 Months Ended
Mar. 31, 2021
Federal Home Loan Banks [Abstract]  
Summary of Federal Home Loan Bank and Federal Reserve Bank Stocks Federal Home Loan Bank ("FHLB") and Federal Reserve Bank ("FRB") stocks were as follows:
(In thousands)At March 31, 2021At December 31, 2020
FHLB stock, at cost$234,455 $196,457 
FRB stock, at cost123,959 123,979 
Total investments$358,414 $320,436