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Note 6 - Analysis of Franchised and Company-owned Offices - Franchised and Owned Branch Locations (Details) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Franchised and owned branch locations | 435 | 217 | 139
Purchased in 2021 (net of sold locations) | 207 | 65 |
Opened | 16 | 14 |
Closed | (5) | (1) |

X
- Definition Represents franchised and owned branch locations. + References No definition available. + Details
Name: | hqi_FranchisedAndOwnedBranchLocations
Namespace Prefix: | hqi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents franchised and owned branch locations closed. + References No definition available. + Details
Name: | hqi_FranchisedAndOwnedBranchLocationsClosed
Namespace Prefix: | hqi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents franchised and owned branch locations opened. + References No definition available. + Details
Name: | hqi_FranchisedAndOwnedBranchLocationsOpened
Namespace Prefix: | hqi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents franchised and owned branch locations purchased. + References No definition available. + Details
Name: | hqi_FranchisedAndOwnedBranchLocationsPurchased
Namespace Prefix: | hqi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration