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Intangible Assets (Detail) $ in Thousands | 3 Months Ended
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Mar. 31, 2021 USD ($)
Intangible Assets Net Excluding Goodwill [Abstract] |
Intangible assets with finite lives, Beginning balance | $ 82,432
Other, Gross carrying amount | (297)
Intangible assets with finite lives, Ending balance | 82,135
Intangible assets with finite lives, Accumulated amortization, Beginning balance | (68,416)
Accumulated amortization | (655)
Other Accumulated Amortization of Intangible Assets | 0
Intangible assets with finite lives, Accumulated amortization, Ending balance | (69,071)
Net intangible assets with finite lives, Beginning balance | 14,016
Amortization, intangible assets | (655)
Other, Finite lived intangible assets | (297)
Net intangible assets with finite lives, Ending balance | 13,064
Indefinite-lived Intangible Assets, Tradename and Other, Beginning Balance | 300,179
Other, Tradename and Other | (158)
Indefinite-lived Intangible Assets, Tradename and Other, Ending Balance | 300,021
Total intangible assets - net, Beginning balance | 314,195
Other, Total intangible assets - net | (455)
Total intangible assets - net, Ending balance | $ 313,085

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