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Related Party Transactions (Detail Textuals) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Related Party Transaction [Line Items] |  |  |
Voting power held by entity | one vote |  |
Investment in joint venture |  |  | $ 2,554,000
Marine Products |  |  |
Related Party Transaction [Line Items] |  |  |
Spinoff transaction percentage | 100.00% |  |
Transition Support Services Agreement | Marine Products |  |  |
Related Party Transaction [Line Items] |  |  |
Aggregate amount of services received | $ 739,000 | $ 753,000 | 663,000
Receivable (payable) due from (to) related party | 60,000 | (11,000) |
Other |  |  |
Related Party Transaction [Line Items] |  |  |
Products or services from suppliers | 890,000 | 1,127,000 | 1,092,000
Administrative services and rent | $ 111,000 | 100,000 | $ 84,000
Voting power held by entity | excess of fifty percent |  |
255 RC, LLC | Marine Products |  |  |
Related Party Transaction [Line Items] |  |  |
Joint venture ownership interest percentage | 50.00% |  |
Operating lease agreement term | 5 years |  |
Investment in joint venture | $ 2,554,000 |  |
Rent and allocable fixed cost for corporate aircraft | $ 197,000 | $ 186,000 |

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- Definition This element represents the amount of aggregate service charges. + References No definition available. + Details
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- Definition Represents joint venture ownership interest percentage. + References No definition available. + Details
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- Definition Represents rent and allocable expenses incurred during the period. + References No definition available. + Details
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- Definition This element represents the amount of service and rent charges. + References No definition available. + Details
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- Definition Percentage of a spin-off transaction (a regular or reverse spin-off) which is based on issued and outstanding stock of company. + References No definition available. + Details
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- Definition Description of voting rights of common stock. Includes eligibility to vote and votes per share owned. Include also, if any, unusual voting rights. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 + Details
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- Definition Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 + Details
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- Definition Receivables to be collected from (obligations owed to) related parties, net as of the balance sheet date where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Details
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