CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (2,056)	$ (66,453)	$ (104,026)
Other comprehensive (loss) income:
Foreign currency translation adjustments	(2,381)	(529)	(2,482)
Change in unrealized gains on marketable securities	(228)	25	10
Change in fair value of derivatives qualifying as cash flow hedges	424	458	1,076
Other comprehensive loss before income tax expense	(2,185)	(46)	(1,396)
Income tax expense related to items in other comprehensive loss	(78)	(188)	(425)
Total other comprehensive loss	(2,263)	(234)	(1,821)
Comprehensive loss	(4,319)	(66,687)	(105,847)
Less: Comprehensive income attributable to non-controlling interest	(170)	0	0
Comprehensive loss attributable to Allscripts Healthcare Solutions, Inc. stockholders	$ (4,489)	$ (66,687)	$ (105,847)