| Summary of changes in goodwill |
The following is a summary of goodwill by segment: | | | | | | | | | | | | | | | | | | (in thousands) | | Mortgage Services | | Financial Services | | Technology Services | | Total | | | | | | | | | | Balance as of December 31, 2015 | | $ | 80,423 |
| | $ | 2,378 |
| | $ | — |
| | $ | 82,801 |
| Acquisition of CastleLine (1) | | (1,395 | ) | | — |
| | — |
| | (1,395 | ) | Balance as of June 30, 2016 | | $ | 79,028 |
| | $ | 2,378 |
| | $ | — |
| | $ | 81,406 |
|
| | (1) | During the second quarter of 2016, goodwill was revised to reflect a purchase accounting measurement period adjustment related to the CastleLine acquisition. See Note 4. |
|
| Schedule of intangible assets, net |
Intangible assets, net consist of the following: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Weighted average estimated useful life (in years) | | Gross carrying amount | | Accumulated amortization | | Net book value | (in thousands) | | | June 30, 2016 | | December 31, 2015 | | June 30, 2016 | | December 31, 2015 | | June 30, 2016 | | December 31, 2015 | | | | | | | | | | | | | | | | Definite lived intangible assets: | | | | | | | | | | | | | | | Trademarks and trade names | | 13 | | $ | 15,254 |
| | $ | 15,244 |
| | $ | (7,121 | ) | | $ | (6,491 | ) | | $ | 8,133 |
| | $ | 8,753 |
| Customer related intangible assets | | 10 | | 274,428 |
| | 274,428 |
| | (136,440 | ) | | (113,725 | ) | | 137,988 |
| | 160,703 |
| Operating agreement | | 20 | | 35,000 |
| | 35,000 |
| | (11,229 | ) | | (10,354 | ) | | 23,771 |
| | 24,646 |
| Non-compete agreements | | 4 | | 1,460 |
| | 1,435 |
| | (314 | ) | | (115 | ) | | 1,146 |
| | 1,320 |
| Intellectual property | | 10 | | 300 |
| | 300 |
| | (70 | ) | | (55 | ) | | 230 |
| | 245 |
| Other intangible assets | | 5 | | 2,710 |
| | 1,375 |
| | (572 | ) | | (39 | ) | | 2,138 |
| | 1,336 |
| | | | | | | | | | | | | | | | Total | | | | $ | 329,152 |
| | $ | 327,782 |
| | $ | (155,746 | ) | | $ | (130,779 | ) | | $ | 173,406 |
| | $ | 197,003 |
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