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ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables) | 12 Months Ended
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Dec. 31, 2017
Equity [Abstract] |
Schedule of Reclassification of Accumulated Other Comprehensive Income (Loss) | The changes in accumulated other comprehensive loss by component and related tax effects for the years ended December 31, 2017, 2016 and 2015 were as follows (in thousands):
| Foreign Currency Translation Adjustments |  | Unrealized (Losses) Gains on Available-for-Sale Securities |  | Unfunded Pension Liability |  | Total
Balance at January 1, 2015 | $ | (108,889 | ) |  | $ | — |  |  | $ | (1,953 | ) |  | $ | (110,842 | )
Other comprehensive loss before reclassifications | (144,050 | ) |  | — |  |  | (7 | ) |  | (144,057 | )
Amounts reclassified out of accumulated other comprehensive loss | — |  |  | — |  |  | — |  |  | — |
Tax effects | — |  |  | — |  |  | 7 |  |  | 7 |
Other comprehensive loss | (144,050 | ) |  | — |  |  | — |  |  | (144,050 | )
Balance at December 31, 2015 | $ | (252,939 | ) |  | $ | — |  |  | $ | (1,953 | ) |  | $ | (254,892 | )
Other comprehensive income (loss) before reclassifications | 23,967 |  |  | (535 | ) |  | 216 |  |  | 23,648 |
Amounts reclassified out of accumulated other comprehensive loss | — |  |  | — |  |  | — |  |  | — |
Tax effects | 16,761 |  |  | 214 |  |  | (57 | ) |  | 16,918 |
Other comprehensive income (loss) | 40,728 |  |  | (321 | ) |  | 159 |  |  | 40,566 |
Balance at December 31, 2016 | $ | (212,211 | ) |  | $ | (321 | ) |  | $ | (1,794 | ) |  | $ | (214,326 | )
Other comprehensive income before reclassifications | 41,636 |  |  | 184 |  |  | 146 |  |  | 41,966 |
Amounts reclassified out of accumulated other comprehensive loss | — |  |  | 222 |  |  | — |  |  | 222 |
Tax effects | — |  |  | (231 | ) |  | (38 | ) |  | (269 | )
Other comprehensive income | 41,636 |  |  | 175 |  |  | 108 |  |  | 41,919 |
Balance at December 31, 2017 | $ | (170,575 | ) |  | $ | (146 | ) |  | $ | (1,686 | ) |  | $ | (172,407 | )
The amounts reclassified out of accumulated other comprehensive loss into the consolidated statement of operations, with presentation location, during the year ended December 31, 2017 were as follows (in thousands):
Other Comprehensive Income Components |  | December 31, 2017 |  | Location
Unrealized (losses) gains on available-for-sale securities |  | $ | (222 | ) |  | Other (expense) income, net

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: 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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