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/ Peter K. Markell
					Date: September 9, 2020
					Print Name: Peter K. Markell