Net Income (Loss) Per Share - Summary of Basic and Diluted Net Income (Loss) Per Share to Common Stockholders (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income (loss) attributable to TOI	$ (83,068)	$ 152
Less: Deemed dividend	0	64
Net income (loss) attributable to TOI available for distribution	(83,068)	88
Net income (loss) attributable to participating securities, basic	(15,191)	20
Net income (loss) attributable to common stockholders, basic	$ (67,877)	$ 68
Net income (loss) per share attributable to common stockholders, basic (in usd per share)	$ (0.92)	$ 0
Less: Change in fair value of conversion derivative liabilities	$ 0	$ 20,656
Net loss attributable to TOI available for distribution	(83,068)	(20,568)
Net loss attributable to participating securities, diluted	(15,191)	(3,588)
Net loss attributable to common stockholders, diluted	$ (67,877)	$ (16,980)
Weighted average common shares outstanding, basic (in shares)	73,748,660	72,793,497
Dilutive effect of convertible note (in shares)	0	5,100,809
Weighted average shares outstanding, diluted (in shares)	73,748,660	80,605,600
Net loss per share attributable to common stockholders, diluted (in usd per share)	$ (0.92)	$ (0.21)
Stock options
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Dilutive effect of share-based payment arrangements (in shares)	0	2,572,570
RSUs
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Dilutive effect of share-based payment arrangements (in shares)	0	77,717
Medical RSUs
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Dilutive effect of share-based payment arrangements (in shares)	0	61,007