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ACCOUNTS RECEIVABLE (Schedule of Aging Accounts Receivable) (Details) - CNY (¥) ¥ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
current | ¥ 78,276 | ¥ 104,368
1-3 months past due | 15,306 | 37,005
4-6 months past due | 10,846 | 13,373
7-12 months past due | 22,748 | 18,015
greater than one year past due | 71,836 | 48,866
Total accounts receivable | ¥ 199,012 | ¥ 221,627

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- Definition Accounts receivable that are between one and three months past due. + References No definition available. + Details
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Namespace Prefix: | tedu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Accounts receivable that are between four and six months past due. + References No definition available. + Details
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Namespace Prefix: | tedu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Accounts receivable that are between seven and twelve months past due. + References No definition available. + Details
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Namespace Prefix: | tedu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Accounts receivable that are current. + References No definition available. + Details
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Namespace Prefix: | tedu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Accounts receivable that are greater than one year past due. + References No definition available. + Details
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Namespace Prefix: | tedu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition For unclassified balance sheet, amounts due from customers or clients for goods or services that have been delivered or sold in the normal course of business. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(5)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(9)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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