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
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation Of Revenue [Line Items]
Total revenue	$ 142,672	$ 133,652
Unallocated Amounts [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	6,394	7,282
Veradigm [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	136,278	126,370
Veradigm [Member] | Operating Segments [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	136,278	126,370
Provider [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	118,665	111,170
Provider [Member] | Unallocated Amounts [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	6,394	7,282
Provider [Member] | Veradigm [Member] | Operating Segments [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	112,271	103,888
Payer & Life Sciences
Disaggregation Of Revenue [Line Items]
Total revenue	24,007	22,482
Payer & Life Sciences | Unallocated Amounts [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	0	0
Payer & Life Sciences | Veradigm [Member] | Operating Segments [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	$ 24,007	$ 22,482