Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 84,430	$ 34,195
Short-term investments	118,834	270,993
Lease incentive receivables	0	5,709
Prepaid expenses and other current assets	9,979	6,248
Total current assets	213,243	317,145
Operating lease right-of-use assets	79,882	86,000
Property and equipment, net	36,579	33,060
Restricted cash	2,503	2,503
Deferred rent receivable	0	769
Deposit and other long-term assets	155	250
Total assets	332,362	439,727
Current liabilities:
Accounts payable	846	1,387
Accrued expenses and other current liabilities	16,539	18,047
Lease liability, current portion	11,236	1,886
Total current liabilities	28,621	21,320
Lease liability, net of current portion	94,464	101,108
Other non-current liabilities	940	1,114
Total liabilities	124,025	123,542
Stockholders’ equity:
Preferred stock	0	0
Common stock	10	10
Additional paid-in capital	980,156	964,965
Accumulated other comprehensive loss	(1,953)	(714)
Accumulated deficit	(769,876)	(648,076)
Total stockholders’ equity	208,337	316,185
Total liabilities and stockholders' equity	$ 332,362	$ 439,727

Accrued expenses and other current liabilities.

No definition available.

Name:	advm_AccruedExpensesAndOtherCurrentLiabilities
Namespace Prefix:	advm_
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).