Net Loss Per Class A Common Share Attributable to Maravai LifeSciences Holdings, Inc. - Summary of Dilutive Securities Excluded (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities excluded from computation of net income per share (in shares)	130,619	116,893	120,825	117,114
Restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities excluded from computation of net income per share (in shares)	13,360	2,173	3,566	2,399
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities excluded from computation of net income per share (in shares)	4,550	4,021	4,550	4,021
Shares estimated to be purchased under the employee stock purchase plan
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities excluded from computation of net income per share (in shares)	2,025	15	2,025	10
Shares of Class B common stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities excluded from computation of net income per share (in shares)	110,684	110,684	110,684	110,684