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INVESTOR RESERVES (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Investor Reserves [Roll Forward] |  |  |  |
Balance — beginning of period | $ 18,364 | $ 16,919 | $ 16,094 | $ 18,437
Benefit from investor reserves | (1,371) | (2,479) | (4,119) | (3,101)
Provision for investor reserves | 3,029 | 1,575 | 8,047 | 679
Balance — end of period | $ 20,022 | $ 16,015 | $ 20,022 | $ 16,015

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- Definition Benefit From Investor Reserves + References No definition available. + Details
Name: | ghld_BenefitFromInvestorReserves
Namespace Prefix: | ghld_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Reserves for losses related to mortgage loan repurchases. + References No definition available. + Details
Name: | ghld_InvestorReserves
Namespace Prefix: | ghld_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Investor Reserves + References No definition available. + Details
Name: | ghld_InvestorReservesRollForward
Namespace Prefix: | ghld_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Provision (Relief) for Investor Reserves + References No definition available. + Details
Name: | ghld_ProvisionReliefForInvestorReserves
Namespace Prefix: | ghld_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration