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The following securities and loans were pledged to secure public and trust deposits, securities sold under agreements to repurchase, FHLBB advances and credit facilities available (Details) - Guarantee Type, Other [Member] - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Guarantor Obligations [Line Items]    
Securities available-for-sale (at fair value) $ 61,683 $ 54,581
Loans receivable 402,538 420,415
Total pledged assets $ 464,221 $ 474,996