Revenue Recognition - Narrative (Details) - USD ($) |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2018 |
Dec. 31, 2017 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
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| Long-term Contracts or Programs Disclosure [Line Items] | |||||
| Revenue | $ 49,712,000 | $ 49,884,000 | $ 161,016,000 | $ 133,745,000 | |
| Project, Approved Scope, Unapproved Price | |||||
| Long-term Contracts or Programs Disclosure [Line Items] | |||||
| Revenue | 0 | 0 | 0 | 0 | |
| Shipyards | |||||
| Long-term Contracts or Programs Disclosure [Line Items] | |||||
| Revenue | $ 24,492,000 | $ 15,074,000 | $ 66,677,000 | $ 51,798,000 | |
| Reduction to estimated contract price | $ 11,700,000 | ||||
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- Definition Long-term Contracts or Programs Disclosure [Line Items] No definition available.
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- Definition Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in estimate of transaction price which increases (decreases) right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Includes, but is not limited to, change in assessment of whether estimate of variable consideration is constrained. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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