CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenue:
Software delivery, support and maintenance	$ 1,174,722	$ 1,012,352	$ 918,430
Client services	631,620	537,547	467,963
Total revenue	1,806,342	1,549,899	1,386,393
Cost of revenue:
Software delivery, support and maintenance	368,192	331,055	291,804
Client services	541,388	459,174	432,038
Amortization of software development and acquisition-related assets	114,601	88,631	81,986
Total cost of revenue	1,024,181	878,860	805,828
Gross profit	782,161	671,039	580,565
Selling, general and administrative expenses	486,271	392,865	339,175
Research and development	220,219	187,906	184,791
Asset impairment charges	0	4,650	1,544
Amortization of intangible and acquisition-related assets	33,754	25,847	23,172
Income from operations	41,917	59,771	31,883
Interest expense	(87,479)	(68,141)	(31,396)
Other income, net	413	1,087	2,183
Impairment of and losses on long-term investments	(165,290)	0	0
Equity in net income (loss) of unconsolidated investments	821	(7,501)	(2,100)
(Loss) income from continuing operations before income taxes	(209,618)	(14,784)	570
Income tax benefit (provision)	50,767	17,814	(2,626)
(Loss) income from continuing operations, net of tax	(158,851)	3,030	(2,056)
Income from discontinued operations, net of tax	4,676	0	0
Net (loss) income	(154,175)	3,030	(2,056)
Less: Net loss (income) attributable to non-controlling interests	1,566	(146)	(170)
Less: Accretion of redemption preference on redeemable convertible non-controlling interest - Netsmart	(43,850)	(28,536)	0
Net loss attributable to Allscripts Healthcare Solutions, Inc. stockholders	$ (196,459)	$ (25,652)	$ (2,226)
Basic
Continuing operations	$ (1.12)	$ (0.14)	$ (0.01)
Discontinued operations	0.03	0.00	0.00
Net (loss) income attributable to Allscripts Healthcare Solutions, Inc. stockholders per share	(1.09)	(0.14)	(0.01)
Diluted
Continuing operations	(1.12)	(0.14)	(0.01)
Discontinued operations	0.03	0.00	0.00
Net (loss) income attributable to Allscripts Healthcare Solutions, Inc. stockholders per share	$ (1.09)	$ (0.14)	$ (0.01)