Net Income (Loss) Per Share - Schedule of Basic and Diluted Net Income (Loss) Per Share to Common Stockholders (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income (loss) attributable to TOI	$ 152	$ (10,927)
Less: Deemed dividend	64	0
Net income (loss) attributable to TOI available for distribution	88	(10,927)
Net income (loss) attributable to participating securities, basic	20	(299)
Net income (loss) attributable to common stockholders, basic	$ 68	$ (10,628)
Net income (loss) per share attributable to common stockholders, basic (in usd per share)	$ 0	$ (0.16)
Less: Change in fair value of conversion derivative liabilities	$ 20,656	$ 0
Net loss attributable to TOI available for distribution	(20,568)	(10,927)
Net loss attributable to participating securities, diluted	(3,588)	(299)
Net loss attributable to common stockholders, diluted	$ (16,980)	$ (10,628)
Weighted average common shares outstanding, basic (in shares)	72,793,497	66,230,606
Dilutive effect of convertible note (in shares)	5,100,809	0
Weighted average shares outstanding, diluted (in shares)	80,605,600	66,230,606
Net loss per share attributable to common stockholders, diluted (in usd per share)	$ (0.21)	$ (0.16)
Stock options
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Dilutive effect of share-based payment arrangements (in shares)	2,572,570	0
RSUs
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Dilutive effect of share-based payment arrangements (in shares)	77,717	0
Medical RSUs
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Dilutive effect of share-based payment arrangements (in shares)	61,007	0