Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 64,453	$ 62,882
Marketable securities	225,930	145,473
Prepaid expenses	7,726	2,570
Other current assets	818	729
Total current assets	298,927	211,654
Property and equipment, net	3,369	3,283
Operating lease right-of-use asset	2,192	2,714
Other assets	282	282
Total assets	304,770	217,933
Current liabilities:
Accounts payable	2,274	2,028
Accrued and other current liabilities	5,992	4,985
Operating lease liabilities, current	1,329	1,199
Total current liabilities	9,595	8,212
Operating lease liabilities, noncurrent	2,207	3,223
Debt, noncurrent	9,780	9,622
Total liabilities	21,582	21,057
Stockholders' equity:
Common stock, $0.001 par value, 125,000,000 shares authorized as of September 30, 2022 (unaudited) and December 31, 2021; 68,372,115 and 56,259,747 shares issued and outstanding as of September 30, 2022 (unaudited) and December 31, 2021,respectively	68	56
Preferred stock, $0.001 par value, 10,000,000 shares authorized, zero shares issued and outstanding as of September 30, 2022 (unaudited) and December 31, 2021	0	0
Additional paid-in capital	515,297	377,765
Accumulated other comprehensive loss	(1,465)	(291)
Accumulated deficit	(230,712)	(180,654)
Total stockholders' equity	283,188	196,876
Total liabilities and stockholders' equity	$ 304,770	$ 217,933

Accrued liabilities and other liabilities, current.

No definition available.

Name:	kzr_AccruedLiabilitiesAndOtherLiabilitiesCurrent
Namespace Prefix:	kzr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).