Shipyard Transaction and Discontinued Operations - Summary of Operating Results From Discontinued Operations (Details) $ in Thousands	9 Months Ended
Sep. 30, 2021 USD ($)
Discontinued Operations And Disposal Groups [Abstract]
Revenue	$ 41,637
Cost of revenue	33,912
Gross profit	7,725
General and administrative expense	413
Impairments and (gain) loss on assets held for sale, net	25,331
Other (income) expense, net	(647)
Operating loss	(17,372)
Loss from discontinued operations, net of taxes	$ (17,372)

Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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