CONDENSED CONSOLIDATED STATEMENTS OF CONVERTIBLE PREFERRED SHARES AND CHANGES IN STOCKHOLDERS’ EQUITY (DEFICIT) - USD ($) $ in Thousands	Total	Previously Reported	Revision of Prior Period, Adjustment	Common stock	Common stock Previously Reported	Common stock Revision of Prior Period, Adjustment	Preferred stock	Preferred stock Legacy TOI Preferred Stock	Preferred stock Previously Reported Legacy TOI Preferred Stock	Preferred stock Revision of Prior Period, Adjustment Legacy TOI Preferred Stock	Additional paid in capital	Additional paid in capital Previously Reported	Additional paid in capital Revision of Prior Period, Adjustment	Retained Earnings/ (Accumulated Deficit)	Retained Earnings/ (Accumulated Deficit) Previously Reported
Balance at beginning (in shares) at Dec. 31, 2020				59,160,192	0	59,160,192
Balance at beginning (in shares) at Dec. 31, 2020								0	11,451	(11,451)
Balance at beginning at Dec. 31, 2020	$ 28,101	$ (52,013)	$ 80,114	$ 6	$ 0	$ 6		$ 0	$ 100	$ (100)	$ 80,402	$ 294	$ 80,108	$ (52,307)	$ (52,307)
Changes in Stockholders' Equity
Net income (loss)	(996)													(996)
Legacy TOI preferred stock issued and issuance of common stock (in shares)				6,861,637
Legacy TOI preferred stock issued and issuance of common stock	19,999			$ 1							19,998
Share-based compensation expense	42										42
Balance at ending (in shares) at Mar. 31, 2021				66,021,829
Balance at ending (in shares) at Mar. 31, 2021								0
Balance at ending at Mar. 31, 2021	47,146			$ 7				$ 0			100,442			(53,303)
Balance at beginning (in shares) at Dec. 31, 2020				59,160,192	0	59,160,192
Balance at beginning (in shares) at Dec. 31, 2020								0	11,451	(11,451)
Balance at beginning at Dec. 31, 2020	28,101	$ (52,013)	$ 80,114	$ 6	$ 0	$ 6		$ 0	$ 100	$ (100)	80,402	$ 294	$ 80,108	(52,307)	$ (52,307)
Changes in Stockholders' Equity
Net income (loss)	(771)
Balance at ending (in shares) at Sep. 30, 2021				66,021,829
Balance at ending (in shares) at Sep. 30, 2021								0
Balance at ending at Sep. 30, 2021	47,533			$ 7				$ 0			100,604			(53,078)
Balance at beginning (in shares) at Mar. 31, 2021				66,021,829
Balance at beginning (in shares) at Mar. 31, 2021								0
Balance at beginning at Mar. 31, 2021	47,146			$ 7				$ 0			100,442			(53,303)
Changes in Stockholders' Equity
Net income (loss)	3,205													3,205
Share-based compensation expense	51										51
Balance at ending (in shares) at Jun. 30, 2021				66,021,829
Balance at ending (in shares) at Jun. 30, 2021								0
Balance at ending at Jun. 30, 2021	50,402			$ 7				$ 0			100,493			(50,098)
Changes in Stockholders' Equity
Net income (loss)	(2,980)													(2,980)
Share-based compensation expense	60										60
Balance at ending (in shares) at Sep. 30, 2021				66,021,829
Balance at ending (in shares) at Sep. 30, 2021								0
Balance at ending at Sep. 30, 2021	$ 47,533			$ 7				$ 0			100,604			(53,078)
Balance at beginning (in shares) at Dec. 31, 2021	73,249,042			73,249,042
Balance at beginning (in shares) at Dec. 31, 2021	163,510						163,510
Balance at beginning at Dec. 31, 2021	$ 104,159			$ 7			$ 0				167,386			(63,234)
Changes in Stockholders' Equity
Net income (loss)	19,286													19,286
Issuance of common stock upon vesting of RSUs (in shares)				27,188
Share-based compensation expense	8,553										8,553
Balance at ending (in shares) at Mar. 31, 2022				73,276,230
Balance at ending (in shares) at Mar. 31, 2022							163,510
Balance at ending at Mar. 31, 2022	$ 131,998			$ 7			$ 0				175,939			(43,948)
Balance at beginning (in shares) at Dec. 31, 2021	73,249,042			73,249,042
Balance at beginning (in shares) at Dec. 31, 2021	163,510						163,510
Balance at beginning at Dec. 31, 2021	$ 104,159			$ 7			$ 0				167,386			(63,234)
Changes in Stockholders' Equity
Net income (loss)	$ 11,159
Repurchase and retirement of common stock (in shares)	(1,500,000)
Balance at ending (in shares) at Sep. 30, 2022	72,341,687			72,341,687
Balance at ending (in shares) at Sep. 30, 2022	165,045						165,045
Balance at ending at Sep. 30, 2022	$ 127,934			$ 7			$ 0				180,002			(52,075)
Balance at beginning (in shares) at Mar. 31, 2022				73,276,230
Balance at beginning (in shares) at Mar. 31, 2022							163,510
Balance at beginning at Mar. 31, 2022	131,998			$ 7			$ 0				175,939			(43,948)
Changes in Stockholders' Equity
Net income (loss)	(5,453)													(5,453)
Issuance of common stock upon vesting of RSUs (in shares)				150,958
Issuance of common stock upon exercise of options (in shares)				366,684
Issuance of common stock upon exercise of options	337										337
Exchange of common stock for preferred stock (in shares)				(313,000)			3,130
Exchange of preferred stock for common stock (in shares)				(313,000)			3,130
Repurchase and retirement of common stock (in shares)				(1,500,000)
Repurchase and retirement of common stock	(9,000)										(9,000)
Net settlement of taxes for equity awards	(413)										(413)
Share-based compensation expense	6,514										6,514
Balance at ending (in shares) at Jun. 30, 2022				71,980,872
Balance at ending (in shares) at Jun. 30, 2022							166,640
Balance at ending at Jun. 30, 2022	123,983			$ 7			$ 0				173,377			(49,401)
Changes in Stockholders' Equity
Net income (loss)	(2,674)													(2,674)
Issuance of common stock upon vesting of RSUs (in shares)				107,614
Issuance of common stock upon exercise of options (in shares)				93,701
Issuance of common stock upon exercise of options	79										79
Exchange of common stock for preferred stock (in shares)				159,500			(1,595)
Exchange of preferred stock for common stock (in shares)				159,500			(1,595)
Share-based compensation expense	$ 6,546										6,546
Balance at ending (in shares) at Sep. 30, 2022	72,341,687			72,341,687
Balance at ending (in shares) at Sep. 30, 2022	165,045						165,045
Balance at ending at Sep. 30, 2022	$ 127,934			$ 7			$ 0				$ 180,002			$ (52,075)