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ADVANCES, NET - Schedule of Activity of the Foreclosure Loss Reserve (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Foreclosure Loss Reserve [Roll Forward] |  |  |  |
Balance — beginning of year | $ 5,826 | $ 8,665 | $ 5,694 | $ 8,698
(Reversal of) provision for foreclosure losses | (496) | (1,044) | (104) | 470
Utilization of foreclosure reserve | (523) | (962) | (783) | (2,509)
Balance — end of year | $ 4,807 | $ 6,659 | $ 4,807 | $ 6,659

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- Definition Foreclosure loss reserve abstract. + References No definition available. + Details
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Namespace Prefix: | ghld_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Foreclosure loss reserves. + References No definition available. + Details
Name: | ghld_ForeclosureLossReserves
Namespace Prefix: | ghld_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Provision For (Reversal Of) Foreclosure Losses + References No definition available. + Details
Name: | ghld_ProvisionForReversalOfForeclosureLosses
Namespace Prefix: | ghld_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Utilization Of Foreclosure Reserve + References No definition available. + Details
Name: | ghld_UtilizationOfForeclosureReserve
Namespace Prefix: | ghld_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration