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, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities excluded from computation of net income per share (in shares)	136,312	130,619	136,242	120,825
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)	13,207	13,360	13,207	3,566
Performance-based incentive 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)	7,886	0	7,886	0
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)	3,459	4,550	3,459	4,550
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)	1,076	2,025	1,006	2,025
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