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				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation Of Revenue [Line Items]
Total revenue	$ 150,898	$ 142,672	$ 141,206	$ 133,652	$ 293,570	$ 274,858
Unallocated Amounts [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	6,261		7,757		12,655	15,039
Veradigm [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	144,637		133,449		280,915	259,819
Veradigm [Member] | Operating Segments [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	144,637		133,449		280,915	259,819
Provider [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	118,939		115,904		237,604	227,074
Provider [Member] | Unallocated Amounts [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	6,261		7,757		12,655	15,039
Provider [Member] | Veradigm [Member] | Operating Segments [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	112,678		108,147		224,949	212,035
Payer & Life Sciences
Disaggregation Of Revenue [Line Items]
Total revenue	31,959		25,302		55,966	47,784
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	$ 31,959		$ 25,302		$ 55,966	$ 47,784