Business Segments - Revenues and Income (Loss) from Operations Related to Segment Within Reconciliation to Consolidated Amounts (Detail) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Revenue	$ 151,922	$ 150,898	$ 142,672	$ 144,668	$ 141,206	$ 133,652	$ 445,492	$ 419,526
Gross profit	83,436			69,640			236,399	200,976
Income (loss) from operations	25,001			18,484			26,217	43,031
Unallocated Amounts [Member]
Segment Reporting Information [Line Items]
Revenue	6,531			7,499			19,186	22,538
Gross profit	4,635			3,944			12,994	13,016
Income (loss) from operations	(2,706)			1,385			(43,579)	(3,576)
Veradigm [Member]
Segment Reporting Information [Line Items]
Revenue	145,391			137,169			426,306	396,988
Gross profit	78,801			65,696			223,405	187,960
Income (loss) from operations	$ 27,707			$ 17,099			$ 69,796	$ 46,607