XML 74 R65.htm IDEA: XBRL DOCUMENT
v3.23.3

REVERSE MORTGAGE LOANS HELD FOR INVESTMENT AND HMBS-RELATED BORROWINGS - Schedule of Significant Unobservable Inputs Used to Value the Reverse Mortgage Loans Held for Investment and HMBS-related Borrowings (Details) | Sep. 30, 2023
--- | ---
Discount rate |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |
Measurement input | 0.120
Minimum | Life in years |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |
Measurement input | 0.4
Minimum | Conditional prepayment rate including voluntary and involuntary prepayments |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |
Measurement input | 0.020
Maximum | Life in years |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |
Measurement input | 9.4
Maximum | Conditional prepayment rate including voluntary and involuntary prepayments |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |
Measurement input | 0.445
Weighted Average | Life in years |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |
Measurement input | 7.8
Weighted Average | Weighted average interest rate |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |
Measurement input | 0.077
Weighted Average | Conditional prepayment rate including voluntary and involuntary prepayments |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |
Measurement input | 0.126

X
- Definition Loans Receivable, Measurement Input + References No definition available. + Details
Name: | ghld_LoansReceivableMeasurementInput
Namespace Prefix: | ghld_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

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_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputDiscountRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExpectedTermMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputPrepaymentRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_WeightedAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=ghld_MeasurementInputInterestRateMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |