CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Accounts payable, due to related party	$ 458	$ 147
Accrued expenses and other liabilities, due to related parties	2,540	5,664
Convertible promissory note due to related party	20,852	27,128
Notes payable, due to related party	14,273	16,523
Other long-term liabilities noncurrent, due to related party	$ 1,244	$ 2,416
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	900,000,000	125,961,571
Common stock, shares issued	72,983,488	6,248,192
Common stock, shares outstanding	72,983,488	6,248,192
Preferred stock, par value	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	250,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Legacy Gelesis Redeemable Convertible Preferred Stock
Temporary equity, par value	$ 0.0001	$ 0.0001
Temporary equity, shares authorized		51,730,762
Temporary equity, shares issued	0	48,566,655
Temporary equity, shares outstanding	0	48,566,655