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Description of the Business and Summary of Significant Accounting Policies - Joint Venture Interests Acquired - Ownership Percentages (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Business Combination, Step Acquisition [Abstract] |  |  |
Impairment charges | $ 0.0 | $ 0.0 | $ 0.0
Circle [Member] |  |  |
Business Combination, Description [Abstract] |  |  |
Ownership percentage | 50.00% |  | 50.00%

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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
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