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Other Comprehensive Income (Tables) | 6 Months Ended
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Jun. 30, 2018
Equity [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | The components of other comprehensive income (loss) ("OCI"), including the income tax expense or benefit allocated to each component, were as follows:
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
|  | (In thousands) |
Foreign currency translation adjustments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change in unrealized foreign currency translation gains (losses) before income taxes |  | $ | (5,902 | ) |  | $ | 6,753 |  |  | $ | (14,304 | ) |  | $ | 7,880 |
Income tax expense (benefit) on unrealized foreign currency translation gains (losses) |  |  | - |  |  |  | 74 |  |  |  | - |  |  |  | 88 |
Change in unrealized foreign currency translation gains (losses), net of income taxes |  | $ | (5,902 | ) |  | $ | 6,679 |  |  | $ | (14,304 | ) |  | $ | 7,792 |
Unrealized gain (losses) on available-for-sale securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change in unrealized holding gains (losses) arising during period before income taxes |  | $ | (15,578 | ) |  | $ | 3,889 |  |  | $ | (47,920 | ) |  | $ | 11,170 |
Income tax expense (benefit) on unrealized holding gains (losses) arising during period |  |  | (3,306 | ) |  |  | 1,361 |  |  |  | (10,154 | ) |  |  | 3,910 |
Change in unrealized holding gains (losses) on available-for-sale securities arising during period, net of income taxes |  |  | (12,272 | ) |  |  | 2,528 |  |  |  | (37,766 | ) |  |  | 7,260 |
Reclassification from accumulated OCI to net income for (gains) losses realized on available-for-sale securities |  |  | (347 | ) |  |  | (273 | ) |  |  | (662 | ) |  |  | (341 | )
Income tax (expense) benefit on (gains) losses reclassified from accumulated OCI to net income |  |  | (73 | ) |  |  | (96 | ) |  |  | (139 | ) |  |  | (119 | )
Reclassification from accumulated OCI to net income for (gains) losses realized on available-for-sale securities, net of income taxes |  |  | (274 | ) |  |  | (177 | ) |  |  | (523 | ) |  |  | (222 | )
Change in unrealized gains (losses) on available-for-sale securities, net of income taxes and reclassification adjustment |  | $ | (12,546 | ) |  | $ | 2,351 |  |  | $ | (38,289 | ) |  | $ | 7,038 |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
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