Amount of short-term unsecured loans granted

No definition available.

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Namespace Prefix:	feng_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Conversion price per share from Loans into Series D preferred shares.

+ References

No definition available.

+ Details

Name:	feng_ConversionPricePerShareFromLoansIntoPreferredShares
Namespace Prefix:	feng_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Convertible loans converted to acquire equity interests of investee.

+ References

No definition available.

+ Details

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Namespace Prefix:	feng_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Short-term loans advanced due from a related party of which the Group may at its option convert all or a portion into preferred shares.

+ References

No definition available.

+ Details

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Namespace Prefix:	feng_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Interest rate of short-term unsecured loans per annum.

+ References

No definition available.

+ Details

Name:	feng_InterestRateOfShortTermUnsecuredLoans
Namespace Prefix:	feng_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Period before short-term loans provided to a related party mature, in 'PnYnMnDTnHnMnS' format.

+ References

No definition available.

+ Details

Name:	feng_MaturityOfShortTermUnsecuredLoans
Namespace Prefix:	feng_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Schedule of Convertible Loans Due from One Related Party [Line Items]

+ References

No definition available.

+ Details

Name:	feng_ScheduleOfConvertibleLoansDueFromOneRelatedPartyLineItems
Namespace Prefix:	feng_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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- Details

Name:	feng_LoansToRelatedPartiesAxis=feng_LoansGrantedToRelatedPartyInJanuaryAndApril2016Member
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Data Type:	na
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- Details

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Namespace Prefix:
Data Type:	na
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- Details

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- Details

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- Details

Name:	feng_LoansToRelatedPartiesAxis=feng_LoanGrantedToRelatedPartyInAugust2016Member
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Convertible Loans Due from a Related Party (Details) $ / shares in Units, ¥ in Thousands, $ in Thousands	1 Months Ended
	Dec. 31, 2016 CNY (¥)	Dec. 31, 2016 USD ($) $ / shares	Aug. 31, 2016 CNY (¥)	Aug. 31, 2016 USD ($)	Apr. 30, 2016 USD ($)	Jan. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 CNY (¥)
Schedule of Convertible Loans Due from One Related Party [Line Items]
Convertible loans due from a related party	¥ 104,429						$ 15,041	¥ 0
Particle [Member] \| Loans Granted to Related Party in January and April 2016 [Member] \| Series D1 convertible redeemable preferred shares [Member]
Schedule of Convertible Loans Due from One Related Party [Line Items]
Aggregate amount of converting convertible loans due from related party	¥ 143,800	$ 20,700
Conversion price per share from Loans into Series D1 preferred shares \| $ / shares		$ 0.876847
Particle [Member] \| Loan Granted to Related Party in January 2016 [Member]
Schedule of Convertible Loans Due from One Related Party [Line Items]
Maturity of short-term unsecured loans						12 months
Principal amount of loans granted to Particle \| $						$ 10,000
Interest rate of short-term unsecured loans						4.35%
Particle [Member] \| Loan Granted to Related Party in April 2016 [Member]
Schedule of Convertible Loans Due from One Related Party [Line Items]
Maturity of short-term unsecured loans					12 months
Principal amount of loans granted to Particle \| $					$ 10,000
Interest rate of short-term unsecured loans					4.35%
Particle [Member] \| Loan Granted to Related Party in August 2016 [Member]
Schedule of Convertible Loans Due from One Related Party [Line Items]
Maturity of short-term unsecured loans	12 months	12 months	6 months	6 months
Principal amount of loans granted to Particle			¥ 98,100	$ 14,800
Interest rate of short-term unsecured loans			4.35%	4.35%
Convertible loans due from a related party	¥ 104,400						$ 15,000
Particle [Member] \| Loan Granted to Related Party in August 2016 [Member] \| Series D1 convertible redeemable preferred shares [Member]
Schedule of Convertible Loans Due from One Related Party [Line Items]
Conversion price per share from Loans into Series D1 preferred shares \| $ / shares		$ 1.071803