POWER OF ATTORNEY

       The undersigned hereby constitutes and appoints each of Kathleen C.
Henry, Astrid E. P. Tsang, Michael K. Krebs and Kathleen R. Henry, signing
singly, as the undersigned's true and lawful attorney-in-fact to:

       (1)     execute, for and on behalf of the undersigned, in the
               undersigned's capacity as a beneficial owner, joint actor, or
               similar capacity of securities which are registered under or
               subject to the laws, rules or regulations of any jurisdiction,
               any form, schedule, report or other similar document as may be
               required by such jurisdiction's laws, rules or regulations, and
               any amendments thereto, in accordance with such jurisdiction's
               laws, rules or regulations, including without limitation (a)
               Forms 3, 4 and 5 in accordance with Section 16(a) of the
               Securities Exchange Act of 1934 (the "Exchange Act") and the
               rules thereunder, (b) Schedule 13D or 13G in accordance with
               Section 13(d) of the Exchange Act and the rules thereunder, (c)
               Form 144 under the Securities Act of 1933, and (d) a Uniform
               Application for Access Codes to File on EDGAR on Form ID;

       (2)     do and perform any and all acts for and on behalf of the
               undersigned which may be necessary or desirable to complete and
               execute any such form, schedule, report or other similar
               document, and timely file such form, schedule, report or other
               similar document, including one or more amendments thereto, with
               the United States Securities and Exchange Commission (the "SEC")
               or any other appropriate governmental authority or regulatory
               body of the relevant jurisdiction and any stock exchange or
               similar authority; and

       (3)     take any other action of any type whatsoever in connection with
               the foregoing which, in the opinion of such attorney-in-fact, may
               be of benefit to, in the best interest of, or legally required
               by, the undersigned, it being understood that the documents
               executed by such attorney-in-fact on behalf of the undersigned
               pursuant to this Power of Attorney shall be in such form and
               shall contain such terms and conditions as such attorney-in-fact
               may approve in such attorney-in-fact's discretion.

       The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of
substitution or revocation.  The undersigned acknowledges that the foregoing
attorneys-in-fact, in serving in such capacity at the request of the
undersigned, are not assuming any of the undersigned's responsibilities to
comply with the securities laws, rules or regulations of any particular
jurisdiction.

       This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file forms, schedules, or similar documents
with respect to the undersigned's holdings of and transactions in securities
which are registered under the laws, rules or regulations of any jurisdiction,
unless earlier revoked by the undersigned in a signed writing delivered to the
foregoing attorneys-in-fact.

       IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of the date below.

                         Signature:   /s/ Timothy J. Lodge
                                    -------------------------------------------

                        Print Name:   Timothy J. Lodge

                        January 3, 2022