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Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2020 | Mar. 31, 2020 | Jun. 30, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Goodwill And Intangible Assets [Line Items] |  |  |  |  |  |
Impairment of goodwill | $ 1,800 |  |  | $ 27,074 |  |
Impairment of indefinite-lived intangible assets | $ 4,300 |  |  | 6,890 |  |
Amortization of intangible assets |  |  |  | $ 21,000 | $ 22,700 | $ 17,800
Income Approach | Minimum | Level 3 | Discount Rate | Goodwill |  |  |  |  |  |
Goodwill And Intangible Assets [Line Items] |  |  |  |  |  |
Measurement of fair value inputs |  |  |  | 12.00% |  |
Income Approach | Minimum | Level 3 | Discount Rate | Indefinite-lived Intangible Assets |  |  |  |  |  |
Goodwill And Intangible Assets [Line Items] |  |  |  |  |  |
Measurement of fair value inputs |  |  |  | 12.00% |  |
Income Approach | Minimum | Level 3 | Long-term Revenue Growth Rate | Goodwill |  |  |  |  |  |
Goodwill And Intangible Assets [Line Items] |  |  |  |  |  |
Measurement of fair value inputs |  |  |  | 2.00% |  |
Income Approach | Minimum | Level 3 | Long-term Revenue Growth Rate | Indefinite-lived Intangible Assets |  |  |  |  |  |
Goodwill And Intangible Assets [Line Items] |  |  |  |  |  |
Measurement of fair value inputs |  |  |  | 2.00% |  |
Income Approach | Minimum | Level 3 | Royalty Rate | Indefinite-lived Intangible Assets |  |  |  |  |  |
Goodwill And Intangible Assets [Line Items] |  |  |  |  |  |
Measurement of fair value inputs |  |  |  | 0.75% |  |
Income Approach | Maximum | Level 3 | Discount Rate | Goodwill |  |  |  |  |  |
Goodwill And Intangible Assets [Line Items] |  |  |  |  |  |
Measurement of fair value inputs |  |  |  | 13.50% |  |
Income Approach | Maximum | Level 3 | Discount Rate | Indefinite-lived Intangible Assets |  |  |  |  |  |
Goodwill And Intangible Assets [Line Items] |  |  |  |  |  |
Measurement of fair value inputs |  |  |  | 13.50% |  |
Income Approach | Maximum | Level 3 | Long-term Revenue Growth Rate | Goodwill |  |  |  |  |  |
Goodwill And Intangible Assets [Line Items] |  |  |  |  |  |
Measurement of fair value inputs |  |  |  | 3.00% |  |
Income Approach | Maximum | Level 3 | Long-term Revenue Growth Rate | Indefinite-lived Intangible Assets |  |  |  |  |  |
Goodwill And Intangible Assets [Line Items] |  |  |  |  |  |
Measurement of fair value inputs |  |  |  | 3.00% |  |
Income Approach | Maximum | Level 3 | Royalty Rate | Indefinite-lived Intangible Assets |  |  |  |  |  |
Goodwill And Intangible Assets [Line Items] |  |  |  |  |  |
Measurement of fair value inputs |  |  |  | 2.00% |  |
Casinos |  |  |  |  |  |
Goodwill And Intangible Assets [Line Items] |  |  |  |  |  |
Impairment of goodwill |  | $ 6,500 | $ 18,800 | $ 27,074 |  |
Impairment of indefinite-lived intangible assets |  |  | $ 2,600 |  |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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