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Fair Value Measurements (Tables) | 12 Months Ended
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Dec. 31, 2014
FAIR VALUE MEASUREMENTS [Abstract] |
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] | The following tables summarize the Company's assets and liabilities that are measured at fair value on a recurring basis (in thousands):
|  |  | Fair Value Measurement at Reporting Date Using
Description | December 31, 2014 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Assets: |  |  |  |  |  |  |
Cash equivalents | $ | 440,596 |  |  | $ | 440,596 |  |  | $ | — |  |  | $ | — |
Available-for-sale securities: |  |  |  |  |  |  |
Convertible debt securities | 2,527 |  |  | — |  |  | — |  |  | 2,527 |
Redeemable preferred shares | 4,910 |  |  | — |  |  | — |  |  | 4,910 |
Liabilities: |  |  |  |  |  |  |
Contingent consideration | 1,983 |  |  | — |  |  | — |  |  | 1,983 |
|  |  | Fair Value Measurement at Reporting Date Using
Description | December 31, 2013 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Assets: |  |  |  |  |  |  |
Cash equivalents | $ | 585,514 |  |  | $ | 585,514 |  |  | $ | — |  |  | $ | — |
Available-for-sale securities: |  |  |  |  |  |  |
Convertible debt securities | 3,174 |  |  | — |  |  | — |  |  | 3,174 |
Redeemable preferred shares | — |  |  | — |  |  | — |  |  | — |
Liabilities: |  |  |  |  |  |  |
Contingent consideration | 606 |  |  | — |  |  | — |  |  | 606 |
Fair Value, Assets and Liabilities, Reconciliation of Level 3 Inputs [Table Text Block] |
|  |  | Fair Value Measurement at Reporting Date Using
Description | December 31, 2013 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Assets: |  |  |  |  |  |  |
Cash equivalents | $ | 585,514 |  |  | $ | 585,514 |  |  | $ | — |  |  | $ | — |
Available-for-sale securities: |  |  |  |  |  |  |
Convertible debt securities | 3,174 |  |  | — |  |  | — |  |  | 3,174 |
Redeemable preferred shares | — |  |  | — |  |  | — |  |  | — |
Liabilities: |  |  |  |  |  |  |
Contingent consideration | 606 |  |  | — |  |  | — |  |  | 606 |
The following table provides a roll-forward of the fair value of recurring Level 3 fair value measurements for the years ended December 31, 2014, 2013 and 2012 (in thousands):
|  | Year Ended December 31,
|  | 2014 |  | 2013 |  | 2012
Assets |  |  |  |  |  |
Available-for-sale securities |  |  |  |  |  |
Convertible debt securities: |  |  |  |  |  |
Beginning Balance |  | $ | 3,174 |  |  | $ | 3,087 |  |  | $ | — |
Purchases of convertible debt securities |  | — |  |  | 370 |  |  | 3,000 |
Total gains (losses) included in other comprehensive income |  | 693 |  |  | (283 | ) |  | 87 |
Total gains (losses) included in other expense, net |  | (1,340 | ) |  | — |  |  | — |
Ending Balance |  | $ | 2,527 |  |  | $ | 3,174 |  |  | $ | 3,087 |
Unrealized (losses) gains still held(1) |  | $ | (647 | ) |  | $ | (283 | ) |  | $ | 87 |
Redeemable preferred shares: |  |  |  |  |  |
Beginning Balance |  | $ | — |  |  | $ | 42,539 |  |  | $ | — |
Acquisitions of preferred shares in exchange transactions (See note 6) |  | — |  |  | 34,982 |  |  | 56,940 |
Purchase of redeemable preferred shares |  | 4,599 |  |  | 8,000 |  |  | — |
Total gains included in other comprehensive income |  | 311 |  |  | — |  |  | — |
Other-than-temporary impairments included in earnings |  | — |  |  | (85,521 | ) |  | (14,401 | )
Ending Balance |  | $ | 4,910 |  |  | $ | — |  |  | $ | 42,539 |
Unrealized (losses) gains still held(1) |  | $ | 311 |  |  | $ | (85,521 | ) |  | $ | (14,401 | )
Liabilities |  |  |  |  |  |
Contingent Consideration: |  |  |  |  |  |
Beginning Balance |  | $ | 606 |  |  | $ | 7,601 |  |  | $ | 11,230 |
Issuance of contingent consideration in connection with acquisitions |  | 4,388 |  |  | 3,567 |  |  | 3,400 |
Settlements of contingent consideration liabilities |  | (424 | ) |  | (4,377 | ) |  | (4,936 | )
Reclass to non-fair value liabilities when no longer contingent |  | (143 | ) |  | (3,014 | ) |  | (4,978 | )
Total (gains) losses included in earnings(2) |  | (2,444 | ) |  | (3,171 | ) |  | 897 |
Reclass of contingent consideration from Level 2 to Level 3 |  | — |  |  | — |  |  | 1,988 |
Ending Balance |  | $ | 1,983 |  |  | $ | 606 |  |  | $ | 7,601 |
Unrealized (gains) losses still held(1) |  | $ | (2,405 | ) |  | $ | 360 |  |  | $ | 211 |
(1) | Represents the unrealized losses or gains recorded in earnings and/or other comprehensive income (loss) during the period for assets and liabilities classified as Level 3 that are still held (or outstanding) at the end of the period.
(2) | Changes in the fair value of contingent consideration liabilities are classified within "Acquisition-related expense (benefit), net" on the consolidated statements of operations.
Fair Value Measurements, Nonrecurring [Table Text Block] | The following table summarizes the Company's assets that were measured at fair value on a nonrecurring basis as of December 31, 2012 (in thousands):
|  |  | Fair Value Measurement at Reporting Date Using
Description | December 31, 2012 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Asset impairments: |  |  |  |  |  |  |
Cost method investment in Life Media Limited (F-tuan) common shares | $ | 34,982 |  |  | $ | — |  |  | $ | — |  |  | $ | 34,982 |
Equity method investment | $ | 495 |  |  | $ | — |  |  | $ | — |  |  | $ | 495 |
Fair Value of Financial Assets and Liabilities not Measured at Fair Value [Table Text Block] | The following table presents the carrying amounts and fair values of financial instruments that are not carried at fair value in the consolidated financial statements (in thousands):
|  | December 31, 2014 |  | December 31, 2013
|  | Carrying Amount |  | Fair Value |  | Carrying Amount |  | Fair Value
Cost method investments |  | $ | 15,630 |  |  | $ | 16,134 |  |  | $ | 15,788 |  |  | $ | 15,573 |

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- Definition Tabular disclosure of assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a nonrecurring basis in periods after initial recognition (for example, impaired assets). Disclosures may include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19296-110258 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258 + Details
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