CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Revenue	[1]	$ 469,136	$ 319,939	$ 896,826	$ 616,996
Expenses
Cost of revenue	[1]	351,938	249,705	662,413	469,444
Selling, general and administrative expenses	[1]	90,389	58,955	180,115	117,887
Depreciation and amortization expenses		32,134	15,112	61,409	30,218
Right-of-use assets impairment		24,065	0	24,065	0
Change in fair value of contingent consideration		(7,822)	800	747	6,878
Total operating expenses		490,704	324,572	928,749	624,427
Operating loss		(21,568)	(4,633)	(31,923)	(7,431)
Interest income		604	223	1,664	340
Interest expense		(14,458)	(2,148)	(27,353)	(4,389)
Gain from equity method investees		155	1,952	578	2,548
Change in tax receivable agreement liability		0	0	(66,184)	0
Other income (expense), net		(26)	297	(246)	475
Loss before income taxes		(35,293)	(4,309)	(123,464)	(8,457)
Provision for (benefit from) income taxes		(970)	(184)	(69,159)	1,018
Loss from continuing operations		(34,323)	(4,125)	(54,305)	(9,475)
Loss from discontinued operations, net of tax	[2]	0	(463)	0	(463)
Loss before preferred dividends and accretion of Series A Preferred Stock		(34,323)	(4,588)	(54,305)	(9,938)
Dividends and accretion of Series A Preferred Stock		(7,088)	0	(13,364)	0
Net loss attributable to common shareholders of Evolent Health, Inc - Basic		(41,411)	(4,588)	(67,669)	(9,938)
Net loss attributable to common shareholders of Evolent Health, Inc. - Diluted		$ (41,411)	$ (4,588)	$ (67,669)	$ (9,938)
Basic and diluted:
Continuing operations, basic (in dollars per share)		$ (0.37)	$ (0.05)	$ (0.62)	$ (0.11)
Continuing operations, diluted (in dollars per share)		(0.37)	(0.05)	(0.62)	(0.11)
Discontinued operations, basic (in dollars per share)		0	0	0	0
Discontinued operations, diluted (in dollars per share)		0	0	0	0
Basic (in dollars per share)		(0.37)	(0.05)	(0.62)	(0.11)
Diluted (in dollars per share)		$ (0.37)	$ (0.05)	$ (0.62)	$ (0.11)
Weighted-average common shares outstanding
Basic (in shares)		111,278	90,071	109,540	89,792
Diluted (in shares)		111,278	90,071	109,540	89,792
Comprehensive loss
Net loss attributable to common shareholders of Evolent Health, Inc.		$ (41,411)	$ (4,588)	$ (67,669)	$ (9,938)
Other comprehensive loss, net of taxes, related to:
Foreign currency translation adjustment		8	(288)	64	(420)
Total comprehensive loss attributable to common shareholders of Evolent Health, Inc.		$ (41,403)	$ (4,876)	$ (67,605)	$ (10,358)

[1] See Note 18 for amounts attributable to unconsolidated related parties included in these line items.

[2] Includes $(0.5) million loss on disposal for the three and six months ended June 30, 2022.