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Segment Reporting - Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Reconciliation of income from continuing operations from segments to consolidated [Abstract] |  |  |  |
Total consolidated operating income | $ 43,002 | $ 24,020 | $ 66,052 | $ 48,807
Interest expense | (5,044) | (7,522) | (11,255) | (15,476)
Other | 1,573 | 1,176 | 2,306 | 2,463
Income before income taxes | $ 39,531 | $ 17,674 | $ 57,103 | $ 35,794

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