XML 65 R53.htm IDEA: XBRL DOCUMENT
v3.20.2

Debt - Schedule of Credit Facilities (Details) - Homes Segment - Line of Credit | Sep. 30, 2020 USD ($)
--- | ---
Debt Instrument [Line Items] |
Maximum Borrowing Capacity | $ 1,500,000,000
Goldman Sachs Bank USA | Final Maturity Date, April 20, 2022 |
Debt Instrument [Line Items] |
Maximum Borrowing Capacity | $ 500,000,000
Weighted Average Interest Rate | 3.15%
Citibank, N.A. | Final Maturity Date, January 31, 2022 |
Debt Instrument [Line Items] |
Maximum Borrowing Capacity | $ 500,000,000
Weighted Average Interest Rate | 3.67%
Credit Suisse AG, Cayman Islands | Final Maturity Date, July 31, 2021 |
Debt Instrument [Line Items] |
Maximum Borrowing Capacity | $ 500,000,000
Weighted Average Interest Rate | 3.97%

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average interest rate of debt outstanding. + References No definition available. + Details
Name: | us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=z_HomesSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShortTermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=z_GoldmanSachsBankUSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=z_FinalMaturityDateApril202022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=z_CitibankN.A.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=z_FinalMaturityDateJanuary312022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=z_CreditSuisseAGCaymanIslandsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=z_FinalMaturityDateJuly312021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |