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Goodwill and Intangible Assets - Analysis of goodwill and intangible assets (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2020 | Dec. 31, 2019
Goodwill |  |  |  |  |  |  |
Goodwill, beginning of year | $ 326,551 |  | $ 249,620 |  |  |  |
Goodwill, acquisitions | 0 | [1] | 74,780 |  |  |  |
Goodwill, impairment | 0 |  | 0 | [2] |  |  |
Goodwill, foreign currency translation adjustment | (11,922) |  | 2,151 |  |  |  |
Goodwill, end of year | 314,629 |  | 326,551 |  | $ 249,620 |  |
Intangible assets (indefinite life) |  |  |  |  |  |  |
Intangible assets with an indefinite life, beginning of year | 85,911 |  | 61,874 |  |  |  |
Intangible assets with an indefinite life, acquisitions | 0 | [1] | 24,431 |  |  |  |
Intangible assets with an indefinite life, impairment | 0 |  | (1,000) | [2] |  |  |
Intangible assets with an indefinite life, foreign currency translation adjustment | (6,692) |  | 606 |  |  |  |
Intangible assets with an indefinite life, end of year | 79,219 |  | 85,911 |  | 61,874 |  |
Intangible assets (finite life) |  |  |  |  |  |  |
Intangible assets with a finite life, beginning of year | 325,621 |  | 323,426 |  |  |  |
Intangible assets with a finite life, acquisitions | 39,178 | [1] | 82,482 |  |  |  |
Intangible assets with a finite life, amortization | (69,031) |  | (82,104) |  | (105,670) |  |
Intangible assets with a finite life, impairment | 0 |  | 0 | [2] |  |  |
Intangible assets with a finite life, foreign currency translation adjustment | 3,247 |  | 1,817 |  |  |  |
Intangible assets with a finite life, end of year | 299,015 |  | 325,621 |  | 323,426 |  |
Total |  |  |  |  |  |  |
Goodwill and intangible assets, beginning of year | 738,083 |  | 634,920 |  |  |  |
Goodwill and intangible assets, acquisitions | 39,178 | [1] | 181,693 |  |  |  |
Goodwill and intangible assets impairment | 0 |  | (1,000) | [2] |  |  |
Goodwill and intangible assets, foreign currency movements and other adjustments | (15,367) |  | 4,574 |  |  |  |
Goodwill and intangible assets, end of year | 692,863 |  | 738,083 |  | 634,920 |  |
Goodwill and intangible assets, gross balance |  |  |  |  |  | $ 1,180,860 |
Intangible assets with a finite life, accumulated amortization |  |  |  |  |  | (489,828) | $ (419,294)
Goodwill and intangible assets, accumulated foreign currency translation and other adjustments |  |  |  |  |  | 1,831 | (3,959)
Goodwill and intangible assets | 692,863 |  | $ 634,920 |  | $ 634,920 | 692,863 | 738,083
Goodwill |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |
Goodwill, end of year | 314,629 |  |  |  |  |  |
Total |  |  |  |  |  |  |
Goodwill, gross balance |  |  |  |  |  | 318,043 |
Goodwill and intangible assets, accumulated foreign currency translation and other adjustments |  |  |  |  |  | (3,414) | $ (4,897)
Intangible assets with an indefinite life |  |  |  |  |  |  |
Intangible assets (indefinite life) |  |  |  |  |  |  |
Intangible assets with an indefinite life, end of year | 79,219 |  |  |  |  |  |
Total |  |  |  |  |  |  |
Indefinite-lived intangible assets, gross balance |  |  |  |  |  | 77,896 |
Goodwill and intangible assets, accumulated foreign currency translation and other adjustments |  |  |  |  |  | 1,323 |
Intangible assets with a finite life |  |  |  |  |  |  |
Intangible assets (finite life) |  |  |  |  |  |  |
Intangible assets with a finite life, end of year | $ 299,015 |  |  |  |  |  |
Total |  |  |  |  |  |  |
Intangible assets with a finite life, gross balance |  |  |  |  |  | 784,921 |
Intangible assets with a finite life, accumulated amortization |  |  |  |  |  | (489,828) |
Goodwill and intangible assets, accumulated foreign currency translation and other adjustments |  |  |  |  |  | $ 3,922 |
[1] | Certain amounts for the Company’s 2020 acquisitions are considered provisional.
[2] | The impairment to the indefinite-lived intangible assets during the year ended December 31, 2019 of $1.0 million related to insurance licenses from the acquisition of UGC

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