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BASIS OF PRESENTATION OF UNAUDITED INTERIM CONDENSED CONSOLIDATED FINANCIAL STATEMENTS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Goodwill (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 | Jun. 30, 2021
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Goodwill | $ 229,028 | $ 229,582
Percentage of fair value in excess of carrying amount |  | 30.00%
Discount rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Goodwill, measurement input | 18.50% | 14.00%
Franchise Reporting Unit |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Goodwill | $ 229,000 | $ 229,600
Percentage of fair value in excess of carrying amount | 15.00% |

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