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Unconsolidated Subsidiaries (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Variable Interest Entity [Line Items] |  |  |
Investments in unconsolidated subsidiaries and related tax positions | $ 29,763 |  | $ 28,978
Variable interest entity, reporting entity involvement, maximum risk of loss | 5,900 |  | 6,500
Earnings of unconsolidated operations | 15,342 | $ 16,003 |
Other noncurrent assets |  |  |
Variable Interest Entity [Line Items] |  |  |
Investments in unconsolidated subsidiaries and related tax positions | $ 29,800 |  | $ 29,000

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