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Summary of Long Lived Asset Impairment Evaluations Performed by Assets Classification (Detail) | 3 Months Ended
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Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020
Goodwill |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |
Long lived assets imapirement, Valuation Multiple |  | N/A |
Goodwill | Market Approach |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |
Long lived assets imapirement, Valuation Multiple | 2.9 to 7 times |  | 8 times
Tradename Intangible Assets |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |
Long lived assets imapirement, Valuation Multiple |  | N/A |
Tradename Intangible Assets | Income Approach |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |
Long lived assets imapirement, Valuation Multiple | N/A |  | N/A
Other long-lived assets |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |
Long lived assets imapirement, Valuation Multiple |  | N/A |
Other long-lived assets | Market Approach |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |
Long lived assets imapirement, Valuation Multiple | 3.2 to 6 times |  | 6 times

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