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SHORT TERM INVESTMENTS (Tables)

12 Months Ended

Dec. 31, 2020

SHORT TERM INVESTMENTS

Schedule of amortized cost, gross unrealized gain in accumulated other comprehensive income, and estimated fair value of investments

		As of December 31, 2019
				Gross unrealized gain
				in accumulated other		Estimated
		Amortized Cost		comprehensive income		Fair value
		RMB		RMB		RMB
Short-term investments:
Held-to-maturity investments
Fixed-rate financial products		31,000		—		31,000
Available-for-sale investments
Adjustable-rate financial products		56,000		1,487		57,487

		As of December 31, 2020
				Gross unrealized gain
				in accumulated other		Estimated
		Amortized Cost		comprehensive income		Fair value
		RMB		RMB		RMB
Short-term investments:
Held-to-maturity investments
Fixed-rate financial products		45,000		—		45,000
Available-for-sale investments
Adjustable-rate financial products		117,000		854		117,854

Schedule of interest income recognized on held-to-maturity investments

		Years Ended December 31,
		2018		2019		2020		2020
		RMB		RMB		RMB		US$
Interest income recognized on held-to-maturity investments		5,836		1,904		548		81

X

- Definition

Tabular disclosure of the reconciliation of available-for-sale securities and held-to-maturity securities from cost basis to fair value.

+ References

No definition available.

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- Definition

Tabular disclosure of investment income, including, but not limited to, interest and dividend income and amortization of discount (premium) derived from debt and equity securities. Excludes realized and unrealized gain (loss) on investments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.9)
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04.2)
-URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.7(a),(b))
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.8)
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

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