XML 38 R70.htm IDEA: XBRL DOCUMENT
v3.20.1

Loans Receivable, Net - Schedule of Breakdown of funds payable to investors of consolidated trusts (Detail) - CNY (¥) ¥ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Institutional funding partners [Member] |  |
Schedule of Breakdown of funds payable to investors of consolidated trusts [Line Items] |  |
Investment principal amount | ¥ 3,529,785 | ¥ 1,493,916
Accrued interest | 130,698 | 11,993
Total | 3,660,483 | 1,505,909
The Group [Member] |  |
Schedule of Breakdown of funds payable to investors of consolidated trusts [Line Items] |  |
Investment principal amount | 1,316,130 | 1,093,610
Accrued interest | 911,080 | 208,987
Total | ¥ 2,227,210 | ¥ 1,302,597

X
- Definition Accrued interest.. + References No definition available. + Details
Name: | finv_AccruedInterest
Namespace Prefix: | finv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Funds payable to investors of consolidated trusts. + References No definition available. + Details
Name: | finv_FundsPayableToInvestorsOfConsolidatedTrusts
Namespace Prefix: | finv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Investment principal amount. + References No definition available. + Details
Name: | finv_InvestmentPrincipalAmount
Namespace Prefix: | finv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | finv_ScheduleOfBreakdownOfFundsPayableToInvestorsOfConsolidatedTrustsLineItems
Namespace Prefix: | finv_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=finv_InstitutionalFundingPartnersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=finv_TheGroupMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |