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ACCOUNTS, NOTES AND INTEREST RECEIVABLE - Schedule of Activity of the Foreclosure Loss Reserve (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Foreclosure Loss Reserve [Abstract] |  |  |  |
Balance — beginning of period | $ 6,659 | $ 10,997 | $ 8,698 | $ 10,355
Utilization of foreclosure reserve | (549) | (603) | (3,058) | (1,436)
Provision for (reversal of) foreclosure losses | 84 | (3,449) | 554 | (1,974)
Balance — end of period | $ 6,194 | $ 6,945 | $ 6,194 | $ 6,945

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

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- Definition Foreclosure loss reserve abstract. + References No definition available. + Details
Name: | ghld_ForeclosureLossReserveRollForward
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

X
- Definition Provision for foreclosure losses. + References No definition available. + Details
Name: | ghld_ProvisionForReversalOfForeclosureLosses
Namespace Prefix: | ghld_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration