| Goodwill and Intangible Assets Disclosure [Text Block] |
3. GOODWILL AND OTHER INTANGIBLE ASSETS The following table summarizes the Company's goodwill activity for the nine months ended September 30, 2012 (in thousands): | | | | | | | | | | | | | | | | North America | | International | | Consolidated | Balance as of December 31, 2011 | | $ | 40,731 |
| | $ | 126,172 |
| | $ | 166,903 |
| Goodwill related to acquisitions | | 32,557 |
| | — |
| | 32,557 |
| Other adjustments(1) | | (1,254 | ) | | (1,228 | ) | | (2,482 | ) | Balance as of September 30, 2012 | | $ | 72,034 |
| | $ | 124,944 |
| | $ | 196,978 |
|
| | (1) | Includes changes in foreign exchange rates for goodwill and purchase accounting adjustments. |
The following table summarizes the Company's other intangible assets (in thousands): | | | | | | | | | | | | | | | | As of December 31, 2011 | Asset Category | | Gross Carrying Value | | Accumulated Amortization | | Net Carrying Value | Subscriber relationships | | $ | 41,272 |
| | $ | 12,882 |
| | $ | 28,390 |
| Merchant relationships | | 6,600 |
| | 6,600 |
| | — |
| Trade names | | 5,801 |
| | 5,801 |
| | — |
| Developed technology | | 5,583 |
| | 2,151 |
| | 3,432 |
| Other intangible assets | | 15,420 |
| | 1,575 |
| | 13,845 |
| Total | | $ | 74,676 |
| | $ | 29,009 |
| | $ | 45,667 |
|
| | | | | | | | | | | | | | | | As of September 30, 2012 | Asset Category | | Gross Carrying Value | | Accumulated Amortization | | Net Carrying Value | Subscriber relationships | | $ | 41,161 |
| | $ | 18,853 |
| | $ | 22,308 |
| Merchant relationships | | 7,920 |
| | 6,550 |
| | 1,370 |
| Trade names | | 5,751 |
| | 5,751 |
| | — |
| Developed technology | | 25,422 |
| | 9,432 |
| | 15,990 |
| Other intangible assets | | 15,469 |
| | 3,690 |
| | 11,779 |
| Total | | $ | 95,723 |
| | $ | 44,276 |
| | $ | 51,447 |
|
Amortization expense for these intangible assets was $3.4 million and $5.6 million for the three months ended September 30, 2011 and 2012, respectively, and $14.1 million and $15.6 million for the nine months ended September 30, 2011 and 2012, respectively. As of September 30, 2012, the Company's estimated future amortization expense of these intangible assets was as follows (in thousands): | | | | | | Year Ending December 31, 2011 | | | Remaining amounts in 2012 | | $ | 6,199 |
| 2013 | | 22,933 |
| 2014 | | 13,703 |
| 2015 | | 6,949 |
| 2016 | | 1,663 |
| Thereafter | | — |
| | | $ | 51,447 |
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