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Investments in and Advances to Nonconsolidated Affiliates - Textual (Details) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 USD ($) | Jun. 30, 2019 USD ($) entity | Dec. 31, 2018 USD ($)
Investments In and Advances to Nonconsolidated Affiliates (Textual) [Abstract] |  |  |
Investments in and advances to nonconsolidated affiliates | $ |  | $ 13.9 | $ 12.2
Number of partially owned subsidiaries | entity |  | 6 |
Number of partially owned general or limited partnerships, limited liability companies of joint ventures | entity |  | 5 |
Document Period End Date |  | Jun. 30, 2019 |
Minimum [Member] |  |  |
Investments In and Advances to Nonconsolidated Affiliates (Textual) [Abstract] |  |  |
Ownership interest in affiliates (percent) |  | 8.00% |
Maximum [Member] |  |  |
Investments In and Advances to Nonconsolidated Affiliates (Textual) [Abstract] |  |  |
Ownership interest in affiliates (percent) |  | 60.00% |
Subsequent Event [Member] | Forecast [Member] |  |  |
Investments In and Advances to Nonconsolidated Affiliates (Textual) [Abstract] |  |  |
Remeasurement gain | $ | $ 20.0 |  |

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- Definition The percentage of ownership by the Company in the investee accounted for under the equity or cost methods of accounting. + References No definition available. + Details
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- Definition Investments in and advances to nonconsolidated affiliates. + References No definition available. + Details
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- Definition Number of general or limited partnerships, limited liability companies, or joint ventures of which the Company has investments. + References No definition available. + Details
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- Definition In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g)(2) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition Amount of investment in equity method investee and investment in and advance to affiliate. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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