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Segment Reporting - Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Reconciliation of income from continuing operations from segments to consolidated [Abstract] |  |
Total consolidated operating income | $ 23,050 | $ 24,787
Interest expense | (6,211) | (7,954)
Other | 733 | 1,287
Income before income taxes | $ 17,572 | $ 18,120

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