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Prior Periods Financial Statement Revision - Schedule of Correction of Misstatements on Consolidated Statements of Changes in Stockholders' Equity (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Accounting Changes And Error Corrections [Line Items] |  |  |  |
Net income (loss) | $ 163,052 | $ 6,663 | $ (6,486) |
Retained earnings | 211,080 | 55,175 | 56,096 |
Change in fair value of interest rate swap |  | 1,910 | (1,637) |
Foreign currency translation loss | 22,094 | (10,623) | (24,903) |
Accumulated other comprehensive loss | (17,745) | (30,596) | (21,883) |
Additional paid-in capital | 292,494 | 284,508 | 277,917 |
Total stockholders' equity | $ 486,104 | 309,391 | 312,431 | $ 172,989
As Previously Reported [Member] |  |  |  |
Accounting Changes And Error Corrections [Line Items] |  |  |  |
Net income (loss) |  | 7,942 | (7,431) |
Retained earnings |  | 55,509 | 55,151 |
Change in fair value of interest rate swap |  | 3,015 | (2,584) |
Foreign currency translation loss |  | (8,984) | (21,936) |
Accumulated other comprehensive loss |  | (25,122) | (19,153) |
Additional paid-in capital |  |  | 277,582 |
Total stockholders' equity |  | 315,199 | 313,881 |
Adjustment [Member] |  |  |  |
Accounting Changes And Error Corrections [Line Items] |  |  |  |
Net income (loss) |  | (1,279) | 945 |
Retained earnings |  | (334) | 945 |
Change in fair value of interest rate swap |  | (1,105) | 947 |
Foreign currency translation loss |  | (1,639) | (2,967) |
Accumulated other comprehensive loss |  | (5,474) | (2,730) |
Additional paid-in capital |  |  | 335 |
Total stockholders' equity |  | $ (5,808) | $ (1,450) |

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- Definition Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e681-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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- Definition Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=64808268&loc=d3e32211-110900 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (a-c) -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669646-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e637-108580 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=64808268&loc=d3e32022-110900 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=64808268&loc=d3e32157-110900 + Details
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