POWER OF ATTORNEY

     KNOW ALL BY THESE PRESENTS, that each of the undersigned hereby makes,
constitutes and appoints Joseph C. Taveira and Jake Vaughey, signing singly, the
undersigned's true and lawful attorneys-in-fact, with full power and authority
as hereinafter described on behalf of and in the name, place and stead of the
undersigned to:

     (i)   execute for and on behalf of the undersigned, in the undersigned's
capacity as beneficial owner of shares of common stock (the "Shares") of
Performant Financial Corporation, a Delaware corporation (the "Company"), any
Schedule 13D or Schedule 13G, and any amendments, supplements or exhibits
thereto (including any joint filing agreements) required to be filed by the
undersigned under Section 13 of the Securities Exchange Act of 1934, as amended,
and the rules and regulations promulgated thereunder (the "Exchange Act"), and
any Forms 3, 4, and 5 and any amendments, supplements or exhibits thereto
required to be filed by the undersigned under Section 16(a) of the Exchange Act;

     (ii)   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 Schedule
13D, Schedule 13G, Form 3, 4, or 5 and timely file such forms with the United
States Securities and Exchange Commission and any stock exchange on which the
Shares are then listed; and

     (iii)   take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorneys-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 attorneys-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 attorneys-in-fact may approve in
such attorneys-in-fact's discretion.

     The undersigned hereby grants to such attorneys-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,
hereby ratifying and confirming all that such attorneys-in-fact's substitute or
substitutes, shall lawfully do or cause to be done by virtue of this Power of
Attorney and the rights and powers herein granted. The undersigned acknowledges
that the foregoing attorneys-in-fact, in serving in such capacity at the request
of the undersigned, are not assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with Section 13 and Section 16 of the
Exchange Act.

     This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file reports or schedules under Section 13
or Section 16 of the Exchange Act with respect to the undersigned's holdings of
and transactions in securities issued by the Company, 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 this 21st day of June 2021.


                                     Parthenon DCS Holdings, LLC

                                     By: Parthenon Investors II, L.P., its
                                     Manager

                                     By: PCap Partners II, LLC, its General
                                     Partner

                                     By: PCap II, LLC, its Managing Member

                                     By: PCP Managers, L.P., its Managing Member

                                     By: PCP Managers GP, LLC, its General
                                     Partner

                                     By:  /s/ Paul Marnoto
                                     -------------------------------
                                     Paul Marnoto
                                     General Counsel, Chief Compliance Officer


                                     Parthenon Investors II, L.P.

                                     By:  PCap Partners II, LLC, its General
                                     Partner

                                     By: PCap II, LLC, its Managing Member

                                     By: PCP Managers, L.P., its Managing Member

                                     By: PCP Managers GP, LLC, its General
                                     Partner

                                     By:  /s/ Paul Marnoto
                                     -------------------------------
                                     Paul Marnoto
                                     General Counsel, Chief Compliance Officer


                                     PCap Partners II, LLC

                                     By: PCap II, LLC, its Managing Member

                                     By: PCP Managers, L.P., its Managing Member

                                     By: PCP Managers GP, LLC, its General
                                     Partner

                                     By:  /s/ Paul Marnoto
                                     -------------------------------
                                     Paul Marnoto
                                     General Counsel, Chief Compliance Officer


                                     PCap II, LLC

                                     By: PCP Managers, L.P., its Managing Member

                                     By: PCP Managers GP, LLC, its General
                                     Partner

                                     By:  /s/ Paul Marnoto
                                     -------------------------------
                                     Paul Marnoto
                                     General Counsel, Chief Compliance Officer


                                     PCP Managers, L.P.

                                     By: PCP Managers GP, LLC, its General
                                     Partner

                                     By:  /s/ Paul Marnoto
                                     -------------------------------
                                     Paul Marnoto
                                     General Counsel, Chief Compliance Officer


                                     PCP Managers GP, LLC

                                     By:  /s/ Paul Marnoto
                                     -------------------------------
                                     Paul Marnoto
                                     General Counsel, Chief Compliance Officer