| Goodwill and Other Intangible Assets |
Goodwill and Other Intangible Assets The following table presents goodwill by reportable segment as of March 31, 2015 and December 31, 2014, the balances of which did not change from period to period (in thousands): | | | | | | | | | | | | | | | | | | Search and Content | | Tax Preparation | | E-Commerce | | Total | Goodwill, net | $ | 59,912 |
| | $ | 188,541 |
| | $ | 56,205 |
| | $ | 304,658 |
|
Intangible assets other than goodwill consisted of the following (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | March 31, 2015 | | December 31, 2014 | | Gross carrying amount | | Accumulated amortization | | Net | | Gross carrying amount | | Accumulated amortization | | Net | Definite-lived intangible assets: | | | | | | | | | | | | Customer relationships | $ | 132,500 |
| | $ | (55,658 | ) | | $ | 76,842 |
| | $ | 132,500 |
| | $ | (50,075 | ) | | $ | 82,425 |
| Technology | 44,805 |
| | (37,591 | ) | | 7,214 |
| | 44,805 |
| | (35,649 | ) | | 9,156 |
| Content | 18,200 |
| | (1,516 | ) | | 16,684 |
| | 18,200 |
| | (1,061 | ) | | 17,139 |
| Other | 6,667 |
| | (6,667 | ) | | — |
| | 6,667 |
| | (6,667 | ) | | — |
| Total definite-lived intangible assets | 202,172 |
| | (101,432 | ) | | 100,740 |
| | 202,172 |
| | (93,452 | ) | | 108,720 |
| Indefinite-lived intangible assets: | | | | | | | | | | | | Trade names | 60,199 |
| | — |
| | 60,199 |
| | 60,199 |
| | — |
| | 60,199 |
| Internet domain names | 696 |
| | — |
| | 696 |
| | — |
| | — |
| | — |
| Total indefinite-lived intangible assets | 60,895 |
| | — |
| | 60,895 |
| | 60,199 |
| | — |
| | 60,199 |
| Total | $ | 263,067 |
| | $ | (101,432 | ) | | $ | 161,635 |
| | $ | 262,371 |
| | $ | (93,452 | ) | | $ | 168,919 |
|
Amortization expense was as follows (in thousands): | | | | | | | | | | Three months ended March 31, | | 2015 | | 2014 | Statement of comprehensive income line item: | | | | Services cost of revenue | $ | 1,862 |
| | $ | 1,885 |
| Amortization of intangible assets | 6,118 |
| | 5,584 |
| Total | $ | 7,980 |
| | $ | 7,469 |
|
Expected amortization of definite-lived intangible assets held as of March 31, 2015 is presented in the table below (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2015 | | 2016 | | 2017 | | 2018 | | 2019 | | Thereafter | | Total | Services cost of revenue | $ | 5,588 |
| | $ | 621 |
| | $ | — |
| | $ | — |
| | $ | — |
| | $ | — |
| | $ | 6,209 |
| Amortization of intangible assets | 15,762 |
| | 17,206 |
| | 17,155 |
| | 16,970 |
| | 16,838 |
| | 10,600 |
| | 94,531 |
| Total | $ | 21,350 |
| | $ | 17,827 |
| | $ | 17,155 |
| | $ | 16,970 |
| | $ | 16,838 |
| | $ | 10,600 |
| | $ | 100,740 |
|
The weighted average amortization periods for definite-lived intangible assets are as follows: 57 months for customer relationships, 14 months for technology, 110 months for content, and 63 months for total definite-lived intangible assets. |