Amount of issuance costs related to temporary equity.

No definition available.

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Namespace Prefix:	toi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of gross proceeds allocated from temporary equity to warrants.

+ References

No definition available.

+ Details

Name:	toi_TemporaryEquityProceedsAllocatedToWarrants
Namespace Prefix:	toi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow from issuance of callable preferred stock which is identified as being convertible to another type of financial security at the option of the issuer or the holder.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfRedeemableConvertiblePreferredStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Value of accretion of temporary equity to its redemption value during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Carrying amount, attributable to parent, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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Summary of Significant Accounting Policies - Class A Common Stock Subject to Possible Redemption (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Mar. 13, 2020
Subsidiary, Sale of Stock [Line Items]
Class A common stock subject to possible redemption	$ 230,000,000			$ 230,000,000	$ 230,000,000
Class A common stock
Subsidiary, Sale of Stock [Line Items]
Gross proceeds	230,000,000
Amount allocated to Public Warrants	(6,727,500)
Class A common stock issuance costs	(10,110,406)
Accretion of carrying value to redemption value	16,837,906
Class A common stock subject to possible redemption	$ 230,000,000	$ 230,000,000	$ 230,000,000