Segment Reporting - Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Reconciliation of income from continuing operations from segments to consolidated [Abstract]
Total consolidated operating income loss	$ 2,371	$ (1,364)
Other income, net	1,600	749
Income (loss) from continuing operations before income taxes	$ 3,971	$ (615)

Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

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