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Note 11 - Accumulated Other Comprehensive Income (Tables) | 3 Months Ended
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Mar. 31, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | The following table shows the rollforward of AOCI as of the periods indicated:
| Three Months Ended March 31, 2015
(In thousands) | Before Tax |  | Tax Effect |  | Net of Tax
Balance at beginning of period | $ | 79,208 |  |  | $ | 27,723 |  |  | $ | 51,485 |
Other comprehensive income (“OCI”): |  |  |  |  |
Net foreign currency translation adjustments | (194 | ) |  | (68 | ) |  | (126 | )
Unrealized gains on investments: |  |  |  |  |  |
Unrealized holding gains arising during the period | 9,929 |  |  | 3,475 |  |  | 6,454 |
Less: Reclassification adjustment for net losses included in net income (1) | (51 | ) |  | (18 | ) |  | (33 | )
Net unrealized gains on investments | 9,980 |  |  | 3,493 |  |  | 6,487 |
Net unrealized gains from investments recorded as assets held for sale | 2,812 |  |  | 984 |  |  | 1,828 |
OCI | 12,598 |  |  | 4,409 |  |  | 8,189 |
Balance at end of period | $ | 91,806 |  |  | $ | 32,132 |  |  | $ | 59,674 |
| Three Months Ended March 31, 2014
(In thousands) | Before Tax |  | Tax Effect |  | Net of Tax
Balance at beginning of period | $ | 57,345 |  |  | $ | 19,962 |  |  | $ | 37,383 |
OCI: |  |  |  |  |
Unrealized gains on investments: |  |  |  |  |
Unrealized holding gains arising during the period | 2,670 |  |  | 1 |  |  | 2,669 |
Less: Reclassification adjustment for net gains included in net income (1) | 5 |  |  | 1 |  |  | 4 |
Net unrealized gains on investments | 2,665 |  |  | — |  |  | 2,665 |
Net unrealized gains from investments recorded as assets held for sale | 1,175 |  |  | (121 | ) |  | 1,296 |
OCI | 3,840 |  |  | (121 | ) |  | 3,961 |
Balance at end of period | $ | 61,185 |  |  | $ | 19,841 |  |  | $ | 41,344 |
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(1) | Included in net gains on investments and other financial instruments on our condensed consolidated statements of operations.

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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=36458714&loc=SL7669686-108580 + Details
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