SPECIAL POWER OF ATTORNEY

		THIS SPECIAL POWER OF ATTORNEY (this "POA") is executed by Patrick Grady
("Grady") as of February 17, 2017.

		1.    Grady hereby appoints each of Chris Cooper, Marie Klemchuk and
Jung Yeon Son (each acting independently and without any requirement of joint
action) as Grady's attorney-in-fact to execute and deliver, in Grady's name and
on his behalf, any form, instrument, agreement or other document reasonably
expected to be delivered to, or filed with, the U.S. Securities and Exchange
Commission, but only to the extent that, in each case, Grady has confirmed his
approval of such form, instrument, agreement or other document in writing.

		2.    This POA shall shall not expire, but shall be revocable on a
prospective basis, in whole or in part, upon notice by Grady to the applicable
attorney(ies)-in-fact.

		Executed by Grady as of the date first above written:

		/s/ Patrick Grady
		-----------------
		Patrick Grady