| Cover | 12 Months Ended |
| Dec. 31, 2022 | |
| Document Information [Line Items] | |
| Document Type | DEF 14A |
| Amendment Flag | false |
| Entity Information [Line Items] | |
| Entity Registrant Name | EVOLENT HEALTH, INC. |
| Entity Central Index Key | 0001628908 |
| Pay vs Performance Disclosure - USD ($) | 12 Months Ended | ||
| Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | |
| Pay vs Performance Disclosure [Table] | |||
| Pay vs Performance [Table Text Block] | PAY VERSUS PERF OR As required by Item 402(v) of Regulation S-K, performance Year Summary (1),(2) Compensation (2),(3) Summary (1),(4) Compensation (4),(5) Average Non-PEO (1),(6) Average Non-PEO (6),(7) Value of Initial Fixed Net (9) Adjusted (millions) (10) Total Peer Group (8) 2022 $ 7,725,414 $ 11,798,548 $ 0 $ 0 $ 2,487,071 $ 2,930,848 $ 310 $ 100 $ (19.2 ) $ 106.3 2021 $ 6,526,285 $ 21,855,154 $ 0 $ 0 $ 1,642,000 $ 3,128,760 $ 306 $ 125 $ (37.6 ) $ 66.3 2020 $ 3,972,700 $ 12,282,664 $ 3,043,400 $ 10,252,573 $ 1,033,563 $ 1,779,576 $ 177 $ 130 $ (334.2 ) $ 41.4 (1) The non-PEO non-PEO non-PEO (2) The (3) The dollar amounts reported in column (c) represent the amount of “compensation actually paid” to Seth Blackley, as computed in accordance with Item 402(v) of Regulation S-K. S-K, Year Reported Summary Deduct Value of Add Equity Award (a) Compensation (a) 2022 $ 7,725,414 $ (5,935,881) $ 10,009,015 $ 11,798,548 2021 $ 6,526,285 $ (4,789,685) $ 20,118,554 $ 21,855,154 2020 $ 3,972,700 $ (2,823,800) $ 11,133,764 $ 12,282,664 (a) Since the Company does not provide any qualified or non-qualified year-end Year Deduct Grant Total Equity Award Adjustments for First PEO Add Year Add Add Value of Subtract Total Equity 2022 $ (5,935,881 ) $ 6,083,195 $ 1,142,700 — $ 2,783,120 — $ 10,009,015 2021 $ (4,789,685 ) $ 6,902,863 $ 13,073,158 — $ 142,532 — $ 20,118,554 2020 $ (2,823,800 ) $ 8,023,000 $ 3,051,343 — $ 59,421 — $ 11,133,764 (4) The dollar amounts reported in column (d) are the amounts of total compensation reported for Frank Williams in 2020 in the “Total” column of the Summary Compensation Table. Refer to “Summary Compensation Table.” (5) The dollar amounts reported in column (e) represent the amount of “compensation actually paid” to Frank Williams in 2020, as computed in accordance with Item 402(v) of Regulation S-K. S-K, Year Reported Summary Deduct Value of Add Equity Award (a) Compensation (a) 2020 $ 3,043,400 $ (1,932,000) $ 9,141,173 $ 10,252,573 (a) The following adjustments were made to the value of equity awards disclosed in the summary compensation table to determine compensation actually paid, using the same methodology described above in Note 3(a): Year Deduct Grant Total Equity Award Adjustments for Second PEO Add Year Add Add Add Subtract Total Equity 2020 $ (1,932,000 ) $ 4,772,000 $ 4,277,657 — $ 91,516 — $ 9,141,173 (6) The dollar amounts reported in column (f) represent the average of the amounts reported for the non-PEO (7) The dollar amounts reported in column (g) represent the average amount of “compensation actually paid” to the non-PEO S-K. non-PEO S-K, non-PEO Year Average Reported Non-PEO Deduct Reported Value of Add Average Award (a) Average Non-PEO (a) 2022 $ 2,487,071 $ (1,575,500) $ 2,019,277 $ 2,930,848 2021 $ 1,642,000 $ (870,292) $ 2,357,052 $ 3,128,760 2020 $ 1,033,563 $ (363,600) $ 1,109,614 $ 1,779,576 (a) The following adjustments were made to the average reported value of equity awards disclosed in the summary compensation table for our non-PEO Year Deduct Grant Average Total Equity Award Adjustments for Non-PEO Add Year Add Add Add Subtract Average Non-PEO 2022 $ (1,575,500 ) $ 1,614,600 $ 32,556 – $ 372,121 – $ 2,019,277 2021 $ (870,292 ) $ 1,242,584 $ 1,039,123 – $ 75,345 – $ 2,357,052 2020 $ (363,600 ) $ 641,200 $ 466,111 – $ 2,303 – $ 1,109,614 (8) Reflects the Nasdaq Healthcare Index, as disclosed by Evolent for the purposes of Item 201(e) of Regulation S-K. (9) The dollar amounts reported represent the amount of net income reflected in the Company’s audited financial statements for the applicable year. (10) The Company believes Adjusted EBITDA is the financial performance measure most closely linked to the calculation of compensation actually paid. Adjusted EBITDA is a non-GAAP | ||
| Company Selected Measure Name | Adjusted EBITDA | ||
| Named Executive Officers, Footnote [Text Block] | (1) The non-PEO non-PEO non-PEO | ||
| Peer Group Issuers, Footnote [Text Block] | Reflects the Nasdaq Healthcare Index, as disclosed by Evolent for the purposes of Item 201(e) of Regulation S-K. | ||
| Adjustment To PEO Compensation, Footnote [Text Block] | (3) The dollar amounts reported in column (c) represent the amount of “compensation actually paid” to Seth Blackley, as computed in accordance with Item 402(v) of Regulation S-K. S-K, Year Reported Summary Deduct Value of Add Equity Award (a) Compensation (a) 2022 $ 7,725,414 $ (5,935,881) $ 10,009,015 $ 11,798,548 2021 $ 6,526,285 $ (4,789,685) $ 20,118,554 $ 21,855,154 2020 $ 3,972,700 $ (2,823,800) $ 11,133,764 $ 12,282,664 (a) Since the Company does not provide any qualified or non-qualified year-end Year Deduct Grant Total Equity Award Adjustments for First PEO Add Year Add Add Value of Subtract Total Equity 2022 $ (5,935,881 ) $ 6,083,195 $ 1,142,700 — $ 2,783,120 — $ 10,009,015 2021 $ (4,789,685 ) $ 6,902,863 $ 13,073,158 — $ 142,532 — $ 20,118,554 2020 $ (2,823,800 ) $ 8,023,000 $ 3,051,343 — $ 59,421 — $ 11,133,764 (5) The dollar amounts reported in column (e) represent the amount of “compensation actually paid” to Frank Williams in 2020, as computed in accordance with Item 402(v) of Regulation S-K. S-K, Year Reported Summary Deduct Value of Add Equity Award (a) Compensation (a) 2020 $ 3,043,400 $ (1,932,000) $ 9,141,173 $ 10,252,573 (a) The following adjustments were made to the value of equity awards disclosed in the summary compensation table to determine compensation actually paid, using the same methodology described above in Note 3(a): Year Deduct Grant Total Equity Award Adjustments for Second PEO Add Year Add Add Add Subtract Total Equity 2020 $ (1,932,000 ) $ 4,772,000 $ 4,277,657 — $ 91,516 — $ 9,141,173 | ||
| Non-PEO NEO Average Total Compensation Amount | $ 2,487,071 | $ 1,642,000 | $ 1,033,563 |
| Non-PEO NEO Average Compensation Actually Paid Amount | $ 2,930,848 | 3,128,760 | 1,779,576 |
| Adjustment to Non-PEO NEO Compensation Footnote [Text Block] | (7) The dollar amounts reported in column (g) represent the average amount of “compensation actually paid” to the non-PEO S-K. non-PEO S-K, non-PEO Year Average Reported Non-PEO Deduct Reported Value of Add Average Award (a) Average Non-PEO (a) 2022 $ 2,487,071 $ (1,575,500) $ 2,019,277 $ 2,930,848 2021 $ 1,642,000 $ (870,292) $ 2,357,052 $ 3,128,760 2020 $ 1,033,563 $ (363,600) $ 1,109,614 $ 1,779,576 (a) The following adjustments were made to the average reported value of equity awards disclosed in the summary compensation table for our non-PEO Year Deduct Grant Average Total Equity Award Adjustments for Non-PEO Add Year Add Add Add Subtract Average Non-PEO 2022 $ (1,575,500 ) $ 1,614,600 $ 32,556 – $ 372,121 – $ 2,019,277 2021 $ (870,292 ) $ 1,242,584 $ 1,039,123 – $ 75,345 – $ 2,357,052 2020 $ (363,600 ) $ 641,200 $ 466,111 – $ 2,303 – $ 1,109,614 | ||
| Compensation Actually Paid vs. Total Shareholder Return [Text Block] | Analysis of the Information Presented in the Pay versus Performance Table: CAP vs. TSR | ||
| Compensation Actually Paid vs. Net Income [Text Block] | Analysis of the Information Presented in the Pay versus Performance Table: CAP vs. Net Income | ||
| Compensation Actually Paid vs. Company Selected Measure [Text Block] | Analysis of the Information Presented in the Pay versus Performance Table: CAP vs. Adjusted EBITDA | ||
| Total Shareholder Return Vs Peer Group [Text Block] | Analysis of the Information Presented in the Pay versus Performance Table: CAP vs. TSR | ||
| Tabular List [Table Text Block] | Tabular List of Financial Performance Measures The most important financial performance measures used by the Company to link executive compensation actually paid to the Company’s PEOs and non-PEO • Adjusted EBITDA • Revenue Growth • Employee engagement • Total Shareholder Return • Stock Price | ||
| Total Shareholder Return Amount | $ 310 | 306 | 177 |
| Peer Group Total Shareholder Return Amount | 100 | 125 | 130 |
| Net Income (Loss) | $ (19,200,000) | $ (37,600,000) | $ (334,200,000) |
| Company Selected Measure Amount | 106,300,000 | 66,300,000 | 41,400,000 |
| Measure [Axis]: 1 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Adjusted EBITDA | ||
| Non-GAAP Measure Description [Text Block] | The Company believes Adjusted EBITDA is the financial performance measure most closely linked to the calculation of compensation actually paid. Adjusted EBITDA is a non-GAAP | ||
| Measure [Axis]: 2 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Revenue Growth | ||
| Measure [Axis]: 3 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Employee engagement | ||
| Measure [Axis]: 4 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Total Shareholder Return | ||
| Measure [Axis]: 5 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Stock Price | ||
| Seth Blackley [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| PEO Total Compensation Amount | $ 7,725,414 | $ 6,526,285 | $ 3,972,700 |
| PEO Actually Paid Compensation Amount | $ 11,798,548 | 21,855,154 | 12,282,664 |
| PEO Name | Seth Blackley | ||
| Frank Williams [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| PEO Total Compensation Amount | $ 0 | 0 | 3,043,400 |
| PEO Actually Paid Compensation Amount | $ 0 | 0 | 10,252,573 |
| PEO Name | Frank Williams | ||
| PEO [Member] | Seth Blackley [Member] | Reported Value of Equity Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | $ (5,935,881) | (4,789,685) | (2,823,800) |
| PEO [Member] | Seth Blackley [Member] | Equity Award Adjustments [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 10,009,015 | 20,118,554 | 11,133,764 |
| PEO [Member] | Seth Blackley [Member] | Year End Fair Value of Equity Awards Granted During the Covered Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 6,083,195 | 6,902,863 | 8,023,000 |
| PEO [Member] | Seth Blackley [Member] | Change in Fair Value of Outstanding and Unvested Equity Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 1,142,700 | 13,073,158 | 3,051,343 |
| PEO [Member] | Seth Blackley [Member] | Value of Awards Granted in Prior Years Vesting During the Covered Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 2,783,120 | 142,532 | 59,421 |
| PEO [Member] | Frank Williams [Member] | Reported Value of Equity Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (1,932,000) | ||
| PEO [Member] | Frank Williams [Member] | Equity Award Adjustments [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 9,141,173 | ||
| PEO [Member] | Frank Williams [Member] | Year End Fair Value of Equity Awards Granted During the Covered Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 4,772,000 | ||
| PEO [Member] | Frank Williams [Member] | Change in Fair Value of Outstanding and Unvested Equity Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 4,277,657 | ||
| PEO [Member] | Frank Williams [Member] | Value of Awards Granted in Prior Years Vesting During the Covered Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 91,516 | ||
| Non-PEO NEO [Member] | Reported Value of Equity Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (1,575,500) | (870,292) | (363,600) |
| Non-PEO NEO [Member] | Equity Award Adjustments [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 2,019,277 | 2,357,052 | 1,109,614 |
| Non-PEO NEO [Member] | Year End Fair Value of Equity Awards Granted During the Covered Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 1,614,600 | 1,242,584 | 641,200 |
| Non-PEO NEO [Member] | Change in Fair Value of Outstanding and Unvested Equity Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 32,556 | 1,039,123 | 466,111 |
| Non-PEO NEO [Member] | Value of Awards Granted in Prior Years Vesting During the Covered Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | $ 372,121 | $ 75,345 | $ 2,303 |
