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 Legacy TOI Common Stock	Common stock Previously Reported	Common stock Previously Reported Legacy TOI Common Stock	Common stock Revision of Prior Period, Adjustment	Preferred stock	Preferred stock Legacy TOI Preferred Stock	Preferred stock Previously Reported	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	0	0	59,160,192	0	0	0	11,451	(11,451)
Balance at beginning at Dec. 31, 2020	$ 28,101	$ (52,013)	$ 80,114	$ 6	$ 0	$ 0	$ 0	$ 6	$ 0	$ 0	$ 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	0				0	0
Balance at ending at Mar. 31, 2021	47,146			$ 7	$ 0				$ 0	$ 0				100,442			(53,303)
Balance at beginning (in shares) at Dec. 31, 2020				59,160,192	0	0	0	59,160,192	0	0	0	11,451	(11,451)
Balance at beginning at Dec. 31, 2020	28,101	$ (52,013)	$ 80,114	$ 6	$ 0	$ 0	$ 0	$ 6	$ 0	$ 0	$ 0	$ 100	$ (100)	80,402	$ 294	$ 80,108	(52,307)	$ (52,307)
Changes in Stockholders' Equity
Net income (loss)	2,209
Balance at ending (in shares) at Jun. 30, 2021				66,021,829	0				0	0
Balance at ending at Jun. 30, 2021	50,402			$ 7	$ 0				$ 0	$ 0				100,493			(50,098)
Balance at beginning (in shares) at Mar. 31, 2021				66,021,829	0				0	0
Balance at beginning at Mar. 31, 2021	47,146			$ 7	$ 0				$ 0	$ 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	0				0	0
Balance at ending at Jun. 30, 2021	50,402			$ 7	$ 0				$ 0	$ 0				100,493			(50,098)
Balance at beginning (in shares) at Dec. 31, 2021				73,249,042					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					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					163,510
Balance at beginning at Dec. 31, 2021	104,159			$ 7					$ 0					167,386			(63,234)
Changes in Stockholders' Equity
Net income (loss)	13,833
Balance at ending (in shares) at Jun. 30, 2022				71,980,872					166,640
Balance at ending at Jun. 30, 2022	123,983			$ 7					$ 0					173,377			(49,401)
Balance at beginning (in shares) at Mar. 31, 2022				73,276,230					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
Repurchase and retirement of common stock (in shares)	(1,500,000)			(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					166,640
Balance at ending at Jun. 30, 2022	$ 123,983			$ 7					$ 0					$ 173,377			$ (49,401)