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Income Taxes - Reconciliation of Income Taxes Based on U.S. Federal Statutory Rate (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Income Tax Disclosure [Abstract] |  |  |
Income taxes at the federal statutory rate | $ (7,803) | $ 4,478 | $ 8,561
Impact of incentive stock options |  | (145) | 261
Decrease in U.S. valuation allowance |  | (1,434) | (818)
Foreign tax credit (additions) expiration | (1,343) | 2,736 | 818
Capital gain on return of basis | 0 | 0 | 0
State taxes, net of federal taxes | (1,592) | (362) | 198
Non-U.S. earnings taxed at different rates | (2,308) | (1,714) | (834)
Non-deductible mergers and acquisition costs | 1,299 | 1,971 |
R&D Tax credit | (623) | (529) |
Joint Venture dividend | 1,147 | 737 |
Change in uncertain tax positions |  |  | 32
Other permanent differences, net | 705 | 48 | (218)
Total expense (benefit) | $ (10,518) | $ 5,786 | $ 8,000

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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to merger related expenses. + References No definition available. + Details
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 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.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 + Details
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