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Quarterly Operating Results (Unaudited) - Summary of Quarterly Results of Operations (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Quarterly Financial Information Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue | $ 124,760 us-gaap_Revenues | [1],[2] | $ 118,020 us-gaap_Revenues | [1] | $ 129,169 us-gaap_Revenues | [1] | $ 134,690 us-gaap_Revenues | $ 135,138 us-gaap_Revenues | [1] | $ 168,191 us-gaap_Revenues | [1] | $ 154,575 us-gaap_Revenues | [1] | $ 150,422 us-gaap_Revenues | $ 506,639 us-gaap_Revenues | $ 608,326 us-gaap_Revenues | $ 521,340 us-gaap_Revenues
Gross profit (loss) | 10,808 us-gaap_GrossProfit | [1],[2] | 14,653 us-gaap_GrossProfit | [1] | 10,322 us-gaap_GrossProfit | [1] | 8,773 us-gaap_GrossProfit | (1,775)us-gaap_GrossProfit | [1] | 9,055 us-gaap_GrossProfit | [1] | 9,677 us-gaap_GrossProfit | [1] | 6,704 us-gaap_GrossProfit | 44,556 us-gaap_GrossProfit | 23,661 us-gaap_GrossProfit | 3,840 us-gaap_GrossProfit
Net income (loss) | $ (111)us-gaap_NetIncomeLoss | [1],[2] | $ 7,586 us-gaap_NetIncomeLoss | [1] | $ 4,310 us-gaap_NetIncomeLoss | [1] | $ 3,535 us-gaap_NetIncomeLoss | $ (3,110)us-gaap_NetIncomeLoss | [1] | $ 3,276 us-gaap_NetIncomeLoss | [1] | $ 4,279 us-gaap_NetIncomeLoss | [1] | $ 2,787 us-gaap_NetIncomeLoss | $ 15,320 us-gaap_NetIncomeLoss | $ 7,232 us-gaap_NetIncomeLoss | $ (4,091)us-gaap_NetIncomeLoss
Basic EPS | $ (0.01)us-gaap_EarningsPerShareBasic | [1],[2] | $ 0.52 us-gaap_EarningsPerShareBasic | [1] | $ 0.30 us-gaap_EarningsPerShareBasic | [1] | $ 0.24 us-gaap_EarningsPerShareBasic | $ (0.22)us-gaap_EarningsPerShareBasic | [1] | $ 0.23 us-gaap_EarningsPerShareBasic | [1] | $ 0.30 us-gaap_EarningsPerShareBasic | [1] | $ 0.19 us-gaap_EarningsPerShareBasic | $ 1.05 us-gaap_EarningsPerShareBasic | $ 0.50 us-gaap_EarningsPerShareBasic | $ (0.29)us-gaap_EarningsPerShareBasic
Diluted EPS | $ (0.01)us-gaap_EarningsPerShareDiluted | [1],[2] | $ 0.52 us-gaap_EarningsPerShareDiluted | [1] | $ 0.30 us-gaap_EarningsPerShareDiluted | [1] | $ 0.24 us-gaap_EarningsPerShareDiluted | $ (0.22)us-gaap_EarningsPerShareDiluted | [1] | $ 0.23 us-gaap_EarningsPerShareDiluted | [1] | $ 0.30 us-gaap_EarningsPerShareDiluted | [1] | $ 0.19 us-gaap_EarningsPerShareDiluted | $ 1.05 us-gaap_EarningsPerShareDiluted | $ 0.50 us-gaap_EarningsPerShareDiluted | $ (0.29)us-gaap_EarningsPerShareDiluted
[1] | We recognized contract losses of $1.6 million for the three-month period ended December 31, 2014, $0.3 million for the three-month period ended September 30, 2014, and $4.7 million for the three-month period ended June 30, 2014. We recognized contract losses of $18.2 million in the three-month period ended December 31, 2013, $10.9 million in the three-month period ended September 30, 2013, and $0.6 million in the three-month period ended June 30, 2013, as required under the accounting for loss contracts under percentage of completion accounting. Contract losses for the year ended December 31, 2014 were primarily related to tank barge projects for a marine transportation company, platform supply vessels for an offshore marine company and a production platform jacket for a deepwater customer. Contract losses in 2013 were primarily due to the impact of the de-scoping and final close-out of one of our major deepwater projects, as further discussed in the Note 1 under "Revenue Recognition" above.
[2] | We recognized an impairment charge of $3.2 million related to a reduction in the fair value of assets held for sale and a $3.6 million charge related to an increase in the allowance for doubtful accounts for negotiations of an outstanding contract receivable balance for the three-month period ended December 31, 2014.

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