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Equity Method Investments - Narrative (Details) - Independence Hub, LLC - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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Schedule of Equity Method Investments [Line Items] |  |
Percentage of ownership interest | 20.00% |
Investee losses in excess of investment | $ 1.5 | $ 4.1

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- Definition This item represents a liability for the entity's share of investee losses in excess of investment carrying amount. It is calculated as the entity's ownership percentage in the investee multiplied by the investee's negative equity. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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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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Balance Type: | na
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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