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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Intangible Assets and Goodwill | The following table shows an analysis of goodwill and other intangible assets:
|  | Goodwill and other intangible assets |
|  | Goodwill |  | Other intangible assets |  | Total |
| Balance as of December 31, 2012 |  |  |  |  |  |
| Gross amount | $ | 8,160 |  |  | $ | 12,999 |  |  | $ | 21,159 |  |
| Accumulated impairment losses and amortization | (2,299 | ) |  | (10,374 | ) |  | (12,673 | ) |
|  | 5,861 |  |  | 2,625 |  |  | 8,486 |  |
| Amortization | — |  |  | (375 | ) |  | (375 | ) |
| Balance as of December 31, 2013 |  |  |  |  |  |
| Gross amount | 8,160 |  |  | 12,999 |  |  | 21,159 |  |
| Accumulated impairment losses and amortization | (2,299 | ) |  | (10,749 | ) |  | (13,048 | ) |
|  | 5,861 |  |  | 2,250 |  |  | 8,111 |  |
| Amortization | — |  |  | (209 | ) |  | (209 | ) |
| Balance as of December 31, 2014 |  |  |  |  |  |
| Gross amount | 8,160 |  |  | 12,999 |  |  | 21,159 |  |
| Accumulated impairment losses and amortization | (2,299 | ) |  | (10,958 | ) |  | (13,257 | ) |
|  | $ | 5,861 |  |  | $ | 2,041 |  |  | $ | 7,902 |  |
Schedule of Goodwill and Other Intangible Assets Included In Equity Method Investments | The following table shows an analysis of goodwill and other intangible assets included in investments in other ventures, under equity method:
|  | Goodwill and other intangible assets included in investments in other ventures, under equity method |
|  | Goodwill |  | Other intangible assets |  | Total |
| Balance as of December 31, 2012 |  |  |  |  |  |
| Gross amount | $ | 10,840 |  |  | $ | 44,323 |  |  | $ | 55,163 |  |
| Accumulated impairment losses and amortization | — |  |  | (24,769 | ) |  | (24,769 | ) |
|  | 10,840 |  |  | 19,554 |  |  | 30,394 |  |
| Acquired during the year | 1,705 |  |  | 1,155 |  |  | 2,860 |  |
| Amortization | — |  |  | (4,042 | ) |  | (4,042 | ) |
| Balance as of December 31, 2013 |  |  |  |  |  |
| Gross amount | 12,545 |  |  | 45,478 |  |  | 58,023 |  |
| Accumulated impairment losses and amortization | — |  |  | (28,811 | ) |  | (28,811 | ) |
|  | 12,545 |  |  | 16,667 |  |  | 29,212 |  |
| Adjustments to gross amount | (227 | ) |  | (78 | ) |  | (305 | ) |
| Amortization | — |  |  | (3,655 | ) |  | (3,655 | ) |
| Balance as of December 31, 2014 |  |  |  |  |  |
| Gross amount | 12,318 |  |  | 45,400 |  |  | 57,718 |  |
| Accumulated impairment losses and amortization | — |  |  | (32,466 | ) |  | (32,466 | ) |
|  | $ | 12,318 |  |  | $ | 12,934 |  |  | $ | 25,252 |  |
Schedule of Other Intangible Assets By Major Class | The gross carrying value and accumulated amortization by major category of other intangible assets is shown below:
|  | Other intangible assets |
| At December 31, 2014 | Gross carrying value |  | Accumulated amortization and impairment losses |  | Total |
| Customer relationships and customer lists | $ | 40,562 |  |  | $ | (28,057 | ) |  | $ | 12,505 |  |
| Lloyd’s managing agency license | 1,867 |  |  | — |  |  | 1,867 |  |
| Trademarks and trade names | 610 |  |  | (159 | ) |  | 451 |  |
| Covenants not-to-compete | 2,130 |  |  | (1,978 | ) |  | 152 |  |
| Software | 8,730 |  |  | (8,730 | ) |  | — |  |
| Patents and intellectual property | 4,500 |  |  | (4,500 | ) |  | — |  |
|  | $ | 58,399 |  |  | $ | (43,424 | ) |  | $ | 14,975 |  |
|  | Other intangible assets |
| At December 31, 2013 | Gross carrying value |  | Accumulated amortization and impairment losses |  | Total |
| Customer relationships and customer lists | $ | 40,640 |  |  | $ | (24,522 | ) |  | $ | 16,118 |  |
| Lloyd’s managing agency license | 1,867 |  |  | — |  |  | 1,867 |  |
| Covenants not-to-compete | 2,130 |  |  | (1,674 | ) |  | 456 |  |
| Trademarks and trade names | 610 |  |  | (134 | ) |  | 476 |  |
| Software | 8,730 |  |  | (8,730 | ) |  | — |  |
| Patents and intellectual property | 4,500 |  |  | (4,500 | ) |  | — |  |
|  | $ | 58,477 |  |  | $ | (39,560 | ) |  | $ | 18,917 |  |
Schedule of Expected Amortization Expense | Expected amortization of the other intangible assets, including other intangible assets recorded in investments in other ventures, under equity method, is shown below:
|  | Other intangibles |  | Other intangible assets included in investments in other ventures, under equity method |  | Total |
| 2015 | $ | 174 |  |  | $ | 2,991 |  |  | $ | 3,165 |  |
| 2016 | — |  |  | 2,292 |  |  | 2,292 |  |
| 2017 | — |  |  | 1,914 |  |  | 1,914 |  |
| 2018 | — |  |  | 1,484 |  |  | 1,484 |  |
| 2019 | — |  |  | 1,041 |  |  | 1,041 |  |
| 2020 and thereafter | — |  |  | 3,212 |  |  | 3,212 |  |
| Total remaining amortization expense | $ | 174 |  |  | $ | 12,934 |  |  | $ | 13,108 |  |
| Indefinite lived | 1,867 |  |  | — |  |  | 1,867 |  |
| Total | $ | 2,041 |  |  | $ | 12,934 |  |  | $ | 14,975 |  |

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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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