CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Revenue
Revenues		$ 197,756	$ 139,714
Expenses
Cost of revenue (exclusive of depreciation and amortization expenses presented separately below)	[1]	117,441	71,975
Claims expenses		37,757	16,749
Selling, general and administrative expenses		74,838	55,526	[1]
Depreciation and amortization expenses		14,266	9,496
Change in fair value of contingent consideration		100	100
Total operating expenses		244,402	153,846
Operating income (loss)		(46,646)	(14,132)
Interest income		1,060	1,072
Interest expense		(3,562)	(853)
Income (loss) from equity method investees		(424)	(131)
Other income (expense), net		427	(18)
Income (loss) before income taxes and non-controlling interests		(49,145)	(14,062)
Provision (benefit) for income taxes		(496)	3
Net income (loss)		(48,649)	(14,065)
Net income (loss) attributable to non-controlling interests		(1,910)	(439)
Net income (loss) attributable to Evolent Health, Inc.		(46,739)	(13,626)
Earnings (Loss) Available for Common Shareholders
Basic and Diluted		$ (46,739)	$ (13,626)
Earnings (Loss) per Common Share
Basic and Diluted (in dollars per share)		$ (0.59)	$ (0.18)
Weighted-Average Common Shares Outstanding
Basic and Diluted (in shares)		79,335	75,375
Comprehensive income (loss)
Net income (loss)		$ (48,649)	$ (14,065)
Other comprehensive income (loss), net of taxes, related to:
Foreign currency translation adjustment		24	0
Total comprehensive income (loss)		(48,625)	(14,065)
Total comprehensive income (loss) attributable to non-controlling interests		(1,910)	(439)
Total comprehensive income (loss) attributable to Evolent Health, Inc.		(46,715)	(13,626)
Transformation services
Revenue
Revenues	[1]	3,353	6,505
Platform and operations services
Revenue
Revenues		147,292	109,818	[1]
Premiums
Revenue
Revenues		$ 47,111	$ 23,391

[1] See Note 17 for amounts related to related parties included in these line items.