Related Parties	6 Months Ended
Jun. 30, 2017
Related Party Transactions [Abstract]
Related Parties	Related Parties As discussed in Note 13, Evolent owned a 26% economic interest in GPAC as of June 30, 2017, and is considered to have significant influence. As a result, the Company accounts for the investment under the equity method of accounting and is allocated its proportional share of GPAC’s profits and losses for each reporting period. In addition, the Company signed a long-term services agreement with GPAC to provide certain management, operational and support services to help GPAC manage elements of its service offerings. The Company also works closely with both of its founding investors, The Advisory Board and UPMC. The relationship with The Advisory Board is centered on providing certain specified services and making valuable connections with CEOs of health systems that could become partners. The Company’s relationship with UPMC is a subcontractor relationship where UPMC has agreed to execute certain tasks (primarily TPA services) relating to certain customer commitments. We also conduct business with a company in which UPMC holds a significant equity interest. Our founding investors and their related businesses are considered related parties and the balances and/or transactions with them were reported on our consolidated financial statements. Additionally, we issued shares of our stock to certain of our partners while concurrently entering into revenue contracts with those partners. Those partners are considered related parties and the balances and/or transactions with them were reported on our consolidated financial statements for the periods in which they held a significant equity interest in Evolent Health, Inc.

Related Parties

As discussed in Note 13, Evolent owned a 26% economic interest in GPAC as of June 30, 2017, and is considered to have significant influence. As a result, the Company accounts for the investment under the equity method of accounting and is allocated its proportional share of GPAC’s profits and losses for each reporting period. In addition, the Company signed a long-term services agreement with GPAC to provide certain management, operational and support services to help GPAC manage elements of its service offerings.

The Company also works closely with both of its founding investors, The Advisory Board and UPMC. The relationship with The Advisory Board is centered on providing certain specified services and making valuable connections with CEOs of health systems that could become partners. The Company’s relationship with UPMC is a subcontractor relationship where UPMC has agreed to execute certain tasks (primarily TPA services) relating to certain customer commitments. We also conduct business with a company in which UPMC holds a significant equity interest. Our founding investors and their related businesses are considered related parties and the balances and/or transactions with them were reported on our consolidated financial statements.

Additionally, we issued shares of our stock to certain of our partners while concurrently entering into revenue contracts with those partners. Those partners are considered related parties and the balances and/or transactions with them were reported on our consolidated financial statements for the periods in which they held a significant equity interest in Evolent Health, Inc.