v3.20.2

Other Investments - Allowance for Credit Loss (Details) - USD ($) $ in Thousands | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2020 | Jan. 01, 2020 | Dec. 31, 2019
Equity Securities Without Readily Determinable Fair Value, Allowance For Credit Loss [Roll Forward] |  |  |
Balance at beginning of period | $ 0 |  |
Credit Loss | 2,415 |  |
Deductions | 0 |  |
Balance at end of period | 2,415 |  |
New Accounting Pronouncement, Early Adoption [Line Items] |  |  |
Accumulated earnings (losses) | $ 583,474 |  | $ 632,809
Accounting Standards Update 2016-13 |  |  |
New Accounting Pronouncement, Early Adoption [Line Items] |  |  |
Accumulated earnings (losses) |  | $ 2,900 |
Accounting Standards Update 2016-13 | Investments In And Advances To Affiliates, Subsidiaries, Associates, And Joint Ventures |  |  |
New Accounting Pronouncement, Early Adoption [Line Items] |  |  |
Accumulated earnings (losses) |  | $ 2,100 |

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