Revenue from Contracts with Customers - Summary of Revenue by Type and Nature of Revenue Stream by Reportable Segments (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
Disaggregation Of Revenue [Line Items]
Total revenue	$ 151,922	$ 150,898	$ 142,672	$ 144,668	$ 141,206	$ 133,652	$ 445,492	$ 419,526
Unallocated Amounts [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	6,531			7,499			19,186	22,538
Veradigm [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	145,391			137,169			426,306	396,988
Veradigm [Member] | Operating Segments [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	145,391			137,169			426,306	396,988
Provider [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	122,811			118,179			360,415	345,253
Provider [Member] | Unallocated Amounts [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	6,531			7,499			19,186	22,538
Provider [Member] | Veradigm [Member] | Operating Segments [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	116,280			110,680			341,229	322,715
Payer & Life Sciences
Disaggregation Of Revenue [Line Items]
Total revenue	29,111			26,489			85,077	74,273
Payer & Life Sciences | Unallocated Amounts [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	0			0			0	0
Payer & Life Sciences | Veradigm [Member] | Operating Segments [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	$ 29,111			$ 26,489			$ 85,077	$ 74,273