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

Discontinued Operations - Additional Information (Details)

v3.20.1

Discontinued Operations - Additional Information (Details) $ in Millions			9 Months Ended	12 Months Ended
	Aug. 24, 2018 CNY (¥)	Aug. 16, 2018 USD ($) entity	Dec. 31, 2017 CNY (¥)	Dec. 31, 2018 CNY (¥)
DISCONTINUED OPERATIONS
Special cash dividend \| ¥	¥ 946,600,000		¥ 65,698,571	¥ 946,613,862
ATA Online and its direct shareholding companies, ATA Learning and Zhongxiao Zhixing \| Discontinued operation, disposal by sale \| Entities Affiliated With Funds Managed By CDH Investments
DISCONTINUED OPERATIONS
Equity interest transferred (in percent)		17.50%
Equity interest transferred to number of entities \| entity		2
Consideration of disposal		$ 35.0
ATA Online and its direct shareholding companies, ATA Learning and Zhongxiao Zhixing \| Discontinued operation, disposal by sale \| Holding Companies Controlled By Certain Managements
DISCONTINUED OPERATIONS
Equity interest transferred (in percent)		16.50%
Equity interest transferred to number of entities \| entity		3
Consideration of disposal		$ 33.0
ATA Online and its direct shareholding companies, ATA Learning and Zhongxiao Zhixing \| Discontinued operation, disposal by sale \| the LHHY entity
DISCONTINUED OPERATIONS
Equity interest transferred (in percent)		15.00%
Consideration of disposal		$ 30.0
ATA Online and its direct shareholding companies, ATA Learning and Zhongxiao Zhixing \| Discontinued operation, disposal by sale \| New Beauty Holding Limited
DISCONTINUED OPERATIONS
Equity interest transferred (in percent)		51.00%
Consideration of disposal		$ 102.0

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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