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Non-Insurance
12 Months Ended
Dec. 31, 2023
Non-Insurance [Abstract]  
Non-Insurance Non-Insurance
In April 2021, the Company began participating in the Global and Professional Direct Contracting of the Centers for Medicare & Medicaid Services ("CMS"), which utilizes a structured model intended to reduce expenditures and preserve or enhance quality of care for people with Medicare fee-for-service ("FFS"). CMS rebranded the DC Model and renamed the model the ACO Realizing Equity, Access, and Community Health (REACH) Model ("ACO REACH Model") effective January 1, 2023. As a participating entity in the DC Model, referred to as the ACO REACH Model at January 1, 2023, with a global risk arrangement, the Company assumes the responsibility of guaranteeing the performance of its care network. The ACO REACH Model is intended to reduce administrative burden and support a focus on complex, chronically ill patients. On December 1, 2023, the Company notified CMS that it will no longer participate as a REACH ACO in connection with the 2024 performance year. The Company’s exit from the ACO REACH Program was made after the Company determined that it is in the Company's best interest to fully exit the ACO REACH Program, and follows its November 2022 announcement of a strategic reduction in the number of ACO REACH participating physicians in 2023. The Company's operations in connection with the ACO REACH Model is included in the Non-Insurance operating segment. See Note 21 (Operating Segments) for additional information.
Key components of the financial agreement for Non-Insurance include:
Performance Year Benchmark. The target amount for Medicare expenditures on covered items and services (Medicare Part A and B) furnished to an Accountable Care Organization's ("ACO's") aligned beneficiaries during a performance year. The Performance Year Benchmark will be compared to the ACO's performance year expenditures. This comparison will be used to calculate shared savings and shared losses. The Performance Year Benchmark is established at the beginning of the performance year utilizing prospective trend estimates and is subject to retrospective trend adjustments, if warranted, before the Financial Reconciliation.

Performance Year. A calendar year except for the commencement year, which began on April 1, 2021, and ended on December 31, 2021.

Risk-Sharing Arrangements. Used in determining the percent of savings and losses that ACOs are eligible to receive as shared savings or may be required to repay as shared losses.

Financial Reconciliation. The process by which CMS determines shared savings or shared losses by comparing the calculated total benchmark expenditure for a given ACO's aligned population to the actual expenditures of that ACO's aligned beneficiaries over the course of a performance year that includes various risk-mitigation options such as stop-loss reinsurance and risk corridors.

Risk-Mitigation Options. ACOs may elect a "stop-loss arrangement" each performance year, which is designed to reduce the financial uncertainty associated with high-cost expenditures of individual beneficiaries. The Company has elected participation in the program for the current performance year. Additionally, CMS has created a mandatory risk corridor program that allocates the ACO's shared savings and losses in bands of percentage thresholds, after a deviation of greater than 25% of the Performance Year Benchmark.
Performance Guarantees
Certain of the Company's arrangements with third-party providers require it to guarantee the performance of its care network to CMS, which, if not obtained, could potentially result in payment to CMS. The Non-Insurance performance year obligation and receivable are amortized on a straight-line basis for the amount that represents the completed performance. The Company is unable to estimate the maximum potential amount of future payments under the guarantee. This is attributable to the stop-loss arrangement and the corridors (tiered levels) in the arrangement. A certain percentage of these arrangements will still be the responsibility of the Company, in addition to a number of variables that are not reasonable for the Company to estimate, such as, but not limited to, risk ratings and benchmark trends that have an inestimable impact on the estimate of future payments.
The tables below include the financial statement impacts of the performance guarantee:

December 31,
20232022
(in thousands)
Non-Insurance performance year obligation (1)
15,568 73,844 
(1) This obligation represents the consideration due to providers, net of the shared savings or loss for the period and amortization of the liability.

Years ended December 31,
20232022
(in thousands)
Amortization of the Non-Insurance performance year receivable$(751,362)$(2,385,116)
Amortization of the Non-Insurance performance year obligation751,362 2,385,116 
Non-Insurance revenue773,177 2,380,135