Condensed Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity - USD ($)	Total	Lonza Ltd.	Common Stock	Common Stock Lonza Ltd.	Additional Paid-in Capital	Additional Paid-in Capital Lonza Ltd.	Accumulated Deficit	Accumulated Other Comprehensive Loss	Follow on public offering	Follow on public offering Common Stock	Follow on public offering Additional Paid-in Capital	At the market offering	At the market offering Common Stock	At the market offering Additional Paid-in Capital
Beginning balance at Dec. 31, 2020	$ 345,843,000		$ 54,000		$ 544,353,000		$ (198,564,000)
Beginning balance, shares at Dec. 31, 2020			51,071,593
Exercise of stock options	487,000		$ 267,208,000		487,000
Vesting of early exercised stock options	9,000				9,000
Stock-based compensation expense	1,865,000				1,865,000
Unrealized gains (losses) on investments	(47,000)							$ (47,000)
Net Loss	(21,220,000)						(21,220,000)
Ending balance at Mar. 31, 2021	326,937,000		$ 54,000		546,714,000		(219,784,000)	(47,000)
Ending balance, shares at Mar. 31, 2021			51,338,801
Beginning balance at Dec. 31, 2020	345,843,000		$ 54,000		544,353,000		(198,564,000)
Beginning balance, shares at Dec. 31, 2020			51,071,593
Net Loss	(44,899,000)
Ending balance at Jun. 30, 2021	317,025,000		$ 55,000		560,441,000		(243,463,000)	(8,000)
Ending balance, shares at Jun. 30, 2021			51,963,770
Beginning balance at Mar. 31, 2021	326,937,000		$ 54,000		546,714,000		(219,784,000)	(47,000)
Beginning balance, shares at Mar. 31, 2021			51,338,801
Exercise of stock options	466,000		$ 190,003		466,000
Vesting of early exercised stock options	2,000				2,000
Issuance of common stock under employee stock purchase plan	490,000				490,000
Stock Issued During Period, Shares, Employee Stock Purchase Plans (in shares)			35,286
Issuance of common stock, value		$ 10,001,000		$ 1,000		$ 10,000,000
Issuance of common stock, shares		399,680
Stock-based compensation expense	2,769,000				2,769,000
Unrealized gains (losses) on investments	39,000							39,000
Net Loss	(23,679,000)						(23,679,000)
Ending balance at Jun. 30, 2021	317,025,000		$ 55,000		560,441,000		(243,463,000)	(8,000)
Ending balance, shares at Jun. 30, 2021			51,963,770
Beginning balance at Dec. 31, 2021	284,018,000		$ 56,000		582,844,000		(298,641,000)	(241,000)
Beginning balance, shares at Dec. 31, 2021			53,031,978
Exercise of stock options	282,000				282,000
Exercise of stock options (in shares)			91,044
Vesting of early exercised stock options	2,000				2,000
Issuance of common stock, value									$ 107,622,000	$ 3,000	$ 107,619,000	$ 3,098,000		$ 3,098,000
Issuance of common stock, shares										3,250,000			126,522
Stock-based compensation expense	4,099,000				4,099,000
Unrealized gains (losses) on investments	(592,000)							(592,000)
Net Loss	(38,986,000)						(38,986,000)
Ending balance at Mar. 31, 2022	359,543,000		$ 59,000		697,944,000		(337,627,000)	(833,000)
Ending balance, shares at Mar. 31, 2022			56,499,544
Beginning balance at Dec. 31, 2021	284,018,000		$ 56,000		582,844,000		(298,641,000)	(241,000)
Beginning balance, shares at Dec. 31, 2021			53,031,978
Net Loss	(87,518,000)
Ending balance at Jun. 30, 2022	366,500,000		$ 62,000		753,501,000		(386,159,000)	(904,000)
Ending balance, shares at Jun. 30, 2022			58,624,294
Beginning balance at Mar. 31, 2022	359,543,000		$ 59,000		697,944,000		(337,627,000)	(833,000)
Beginning balance, shares at Mar. 31, 2022			56,499,544
Exercise of stock options	324,000		$ 1,000		323,000
Exercise of stock options (in shares)			77,065
Vesting of early exercised stock options	2,000				2,000
Issuance of common stock under employee stock purchase plan	550,000				550,000
Stock Issued During Period, Shares, Employee Stock Purchase Plans (in shares)			36,879
Issuance of common stock, value									$ 2,000		$ 2,000	$ 48,788,000	$ 2,000	$ 48,786,000
Issuance of common stock, shares													2,010,806
Stock-based compensation expense	5,894,000				5,894,000
Unrealized gains (losses) on investments	(71,000)							(71,000)
Net Loss	(48,532,000)						(48,532,000)
Ending balance at Jun. 30, 2022	$ 366,500,000		$ 62,000		$ 753,501,000		$ (386,159,000)	$ (904,000)
Ending balance, shares at Jun. 30, 2022			58,624,294