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Investments (Tables) | 12 Months Ended
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Dec. 31, 2016
Investments [Abstract] |
Schedule Of Carrying Amount And Maximum Loss Exposure Of Equity Investments [Table Text Block] |
﻿ |  |  |  |
﻿ |  |  |  |
﻿ |  | 2016 |  | 2015
﻿ |  |
﻿LB Pipe JV equity method investment | $ | 3,902 | $ | 5,246
﻿Revolving line of credit |  | 1,235 |  | -
﻿Net investment in direct financing lease |  | 871 |  | 995
﻿ | $ | 6,008 | $ | 6,241
﻿
Schedule of Direct Financing Future Minimum Lease Payments for Capital Leases [Table Text Block] |
﻿ |  |
﻿ |  |
﻿ |  | Minimum Lease Payments
﻿2017 | $ | 140
﻿2018 |  | 150
﻿2019 |  | 581
﻿ | $ | 871
﻿

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- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571 + Details
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- Definition Tabular disclosure of future minimum lease payments as of the date of the latest balance sheet presented, in aggregate and for each of the five years succeeding fiscal years, with separate deductions from the total for the amount representing executor costs, including any profit thereon, included in the minimum lease payments and for the amount of the imputed interest necessary to reduce the net minimum lease payments to present value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 + Details
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