Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Subsequent Events - Additional information (Details)

v3.20.1

Subsequent Events - Additional information (Details) - ATA Online Sale Transaction $ in Millions	1 Months Ended
	Mar. 31, 2020 CNY (¥)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 CNY (¥)
Subsequent Event [Line Items]
Loss contingency accrued			¥ 0
Subsequent Events
Subsequent Event [Line Items]
Total consideration \| $		$ 200.0
Subsequent Events \| Alpha Advantage Global Limited and Dynamic Fame Limited
Subsequent Event [Line Items]
Attorney’s fees and other litigation costs	¥ 15,000,000
Subsequent Events \| Mr. Kevin Xiaofeng Ma \| Alpha Advantage Global Limited
Subsequent Event [Line Items]
Loss contingency, damages sought, value	95,000,000
Attorney’s fees and other litigation costs	1,500,000
Subsequent Events \| Mr. Kevin Xiaofeng Ma \| Dynamic Fame Limited
Subsequent Event [Line Items]
Loss contingency, damages sought, value	5,000,000
Attorney’s fees and other litigation costs	¥ 500,000

- Definition

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

+ References

No definition available.

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- Definition

Amount of loss contingency liability.

+ References

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-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
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- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

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- Definition

Aggregate cash proceeds received from a combination of transactions in which noncurrent assets are sold, which may include the sale of a business, an investment in an affiliate (including an equity method investee), property, plant and equipment and intangible assets. Excludes sales of trading, available-for-sale, and held-to-maturity securities.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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